A strong tire for a 2500 diesel should match the truck’s approved size and load requirements while fitting its work, highway, and off-road duties. The Cooper Discoverer Stronghold AT leads this selection with a listed 3,415-pound load capacity, a 60,000-mile warranty, and all-terrain features. Other options span heavy-duty designs, rugged-terrain treads, and highway-focused tires, but their sizes and capacities vary considerably.
Use the listed specifications as a screening guide, not proof of fit: a 2500 diesel can have different wheel sizes, axle ratings, and original tire requirements. Check the vehicle placard and owner’s manual before buying, and compare the tire’s load index and construction with your truck’s requirements.
These ten products are individual tires unless the listing explicitly says otherwise.
The Cooper Discoverer Stronghold AT is the strongest general-purpose pick for a 2500 diesel among these listings. It is a truck and SUV all-terrain tire, has a listed load capacity of 3,415 pounds, and includes a 60,000-mile warranty. Its open grooves target soft-surface traction, while 3D sipes are intended to aid stability.
Confirm that LT275/60R20 matches your truck’s approved fitment and load requirements; its listed size will not suit every 2500 diesel.
Our Top Picks
Best OverallCooper Discoverer Stronghold AT
Its truck-focused all-terrain design, 3,415-pound listed load capacity, and 60,000-mile warranty make it a balanced candidate for work and mixed driving.
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Highest Listed Load CapacityThe LT285/75R16 E listing gives it a 3,750-pound load capacity, with a hybrid tread intended to balance off-road traction and road comfort.
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Severe-Snow-Certified R/TIts LT33X12.50R18 F construction, aggressive rugged-terrain tread, and Three Peak Mountain Snowflake certification suit buyers prioritizing winter capability.
View on AmazonCompare these tire options and their intended uses
| # | Product | Size | Load Capacity | Weight | Rim Size | Buy |
|---|---|---|---|---|---|---|
| 1 | 1. Cooper Discoverer Stronghold ATBest Overall | 275/60R20 | 3415 lb | 44 lb | 20 in | View on Amazon |
| 2 | 2. BFGoodrich HD-Terrain T/A KTHeavy-duty rough-jobsite truck users | LT285/75R16/E 126/123Q | 3748 lb | 52.5 lb | 8 in | View on Amazon |
| 3 | 3. Nitto Ridge GrapplerHighest Listed Load Capacity | LT285/75R16 E 126/123Q | 3750 lb | 40 lb | 16 in | View on Amazon |
| 4 | 4. Sailun Terramax R/TSevere-Snow-Certified R/T | LT33X12.50R18 | 3 lb | 67 lb | 18 in | View on Amazon |
| 5 | 5. Firestone Transforce AT2Sixteen-inch commercial all-terrain work trucks | LT245/75R16 | 3042 lb | 40 lb | 16 in | View on Amazon |
| 6 | 6. Kenda Klever R/TMixed-terrain winter truck drivers | 33X12.50R20 | 2998 lb | 67 lb | 20 in | View on Amazon |
| 7 | 7. Gripmax MaxGrip R/T+Twenty-four-inch rugged-terrain builds | 33X12.50R24 | — | 67.4 lb | 24 in | View on Amazon |
| 8 | 8. Atlas Priva R/TFour-tire rugged-terrain set buyers | 35X12.50R22 | 3297 lb | 288 lb | 22 in | View on Amazon |
| 9 | 9. Lexani Terrain Beast ATSixteen-inch all-weather truck fit | LT245/75R16 | 1609 lb | 28 lb | 16 in | View on Amazon |
| 10 | 10. Cooper Discoverer HT3Highway-focused commercial van drivers | 235/65R16C 121/119R | 3195 lb | 36.6 lb | 16 in | View on Amazon |
Detailed Reviews: Best Tires For 2500 Diesel

#1 · Best Overall
1. Cooper Discoverer Stronghold AT
- Size: 275/60R20
- Load Capacity: 3415 lb
- Weight: 44 lb
- Rim Size: 20 in
Best for: Highway haulers needing all-terrain grip.
Why it ranks #1: Its truck-focused all-terrain design, 3,415-pound listed load capacity, and 60,000-mile warranty make it a balanced candidate for work and mixed driving.
Cooper’s 3D-sipe technology combines with wide, open tread grooves on the Discoverer Stronghold AT, giving this LT275/60R20 tire a stated balance of stability and soft-surface traction. For 2500 diesel owners who haul on highways but also encounter difficult terrain, that combination addresses both road travel and off-pavement jobs.
The LT275/60R20 size specifies a 20-inch rim fit, while the listed 3,415-pound load capacity gives buyers a concrete capacity figure to consider for their application. Wide grooves grab and release soft surfaces, helping maintain traction as terrain changes; 3D sipes support stability. Cooper also identifies a quiet-running tread and highway-hauling use, making this an option for drivers whose routes combine longer paved stretches with off-road access.
- Wide open grooves grab and release soft surfaces
- 3D-sipe technology helps provide stability
- Listed 3,415-pound load capacity
- Quiet-running tread and highway-hauling use are identified
- Its LT275/60R20 size requires a 20-inch rim.
Skip it if you need a 16-inch-rim tire; the Cooper Discoverer HT3 is listed with a 16-inch rim.
This Cooper suits a 2500 diesel owner seeking an all-terrain tire for highway hauling and occasional soft-surface work. The LT275/60R20 size and 20-inch rim requirement are key fit considerations before choosing it.
Full product details
| Brand | Cooper |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 33 x 10.8 x 33 inches |
| Item Weight | 44 pounds |
| Load Capacity | 3415 pounds |
| Manufacturer | Cooper |
| Part Number | 170278048 |
| Manufacturer Warranty Description | 60000 Miles |
| Model Number | 170278048 |
| Rim Size | 20 inches |
| Size | 275/60R20 |
| Vehicle Tire ISO Metric Size Description | 275/60R20 |
Listed on Amazon as: Cooper Discoverer Stronghold AT All-Terrain Tire, LT275/60R20, Set of 1
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#2
2. BFGoodrich HD-Terrain T/A KT
- Size: LT285/75R16/E 126/123Q
- Load Capacity: 3748 lb
- Weight: 52.5 lb
- Rim Size: 8 in
Best for: Heavy-duty rough-jobsite truck users.
Why it ranks #2: Purpose-built for high-torque heavy-duty trucks, it lists a 3,748-pound capacity and reinforced sidewall technology for demanding unpaved work.
CoreGard Technology uses split- and bruise-resistant sidewall rubber with a deflection design to help protect the BFGoodrich HD-Terrain T/A KT from protruding objects. Purpose-built for high-torque heavy-duty trucks, this LT285/75R16 tire targets 2500 diesel owners working on rough job sites and unpaved roads.
The tread compound is engineered to resist extreme chipping and tearing, addressing wear concerns on punishing terrain. CoreGard’s sidewall rubber and deflection design help prevent protruding objects from damaging the sidewall, while mud-phobic bars are intended to release mud from the tread. Those features support a work-focused use case for high-torque trucks spending substantial time off pavement; the LT285/75R16 size and 16-inch rim specify the fit.
- Tread compound engineered to resist chipping and tearing
- CoreGard sidewall rubber resists splits and bruising
- Deflection design helps protect against protruding objects
- Mud-phobic bars are designed to release mud
- Its LT285/75R16 size requires a 16-inch rim.
Skip it if you need a 20-inch-rim all-terrain tire for highway hauling; the Cooper Discoverer Stronghold AT is listed in LT275/60R20.
This BFGoodrich suits a 2500 diesel that works on rough sites or unpaved roads and needs features aimed at torque, sidewall protection, and mud. Its LT285/75R16 size is a defining fit consideration.
Full product details
| Brand | BFGoodrich |
|---|---|
| Included Components | Rims Not Included |
| Item Dimensions | 32.8 x 9 x 32.8 inches |
| Item Weight | 52.5 pounds |
| Load Capacity | 3748 pounds |
| Manufacturer | BFGoodrich |
| Part Number | 59874 |
| Manufacturer Warranty Description | Standard |
| Model Number | 59874 |
| Rim Size | 8 inches |
| Size | LT285/75R16/E 126/123Q |
| Vehicle Tire ISO Metric Size Description | 285/75R16 |
Listed on Amazon as: BFGoodrich HD-Terrain T/A KT Heavy Duty Truck Tire for Light Trucks, SUVs and Crossovers, LT285/75R16/E 126/123Q
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#3 · Highest Listed Load Capacity
3. Nitto Ridge Grappler
- Size: LT285/75R16 E 126/123Q
- Load Capacity: 3750 lb
- Weight: 40 lb
- Rim Size: 16 in
Best for: Sixteen-inch hybrid-terrain pickup owners.
Why it ranks #3: The LT285/75R16 E listing gives it a 3,750-pound load capacity, with a hybrid tread intended to balance off-road traction and road comfort.
A hybrid tread with linked shoulder blocks, variable-sized intermediate blocks, and two continuous center ribs defines the Nitto Ridge Grappler. For a 2500 diesel using LT285/75R16 tires, that pattern pairs an aggressive appearance with year-round traction and a stated focus on confident handling across road and off-road use.
The wide circumferential center groove and sweeping lateral grooves evacuate water, helping support wet traction and resist hydroplaning. Its variable-pitch tread pattern is identified as a source of quieter, more comfortable road travel, while lateral Z grooves and shoulder grooves are described as expelling mud and slush. Together, these features make the Ridge Grappler relevant to drivers who transition between paved highways and messy terrain without choosing a highway-only tread.
- Hybrid tread includes linked shoulder blocks and two center ribs
- Center and lateral grooves evacuate water
- Variable-pitch pattern targets quieter, more comfortable road travel
- Lateral Z and shoulder grooves expel mud and slush
- Its LT285/75R16 size requires a 16-inch rim.
Skip it if you need a 20-inch-rim tire; the Cooper Discoverer Stronghold AT is listed in LT275/60R20.
Choose the Ridge Grappler if your 2500 diesel uses 16-inch rims and your routes include wet roads, mud, and highway travel. Its LT285/75R16 size sets a clear fit boundary despite the versatile tread features.
Full product details
| Brand | Nitto |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 32.83 x 32.83 x 11.26 inches |
| Item Weight | 40 pounds |
| Load Capacity | 3750 pounds |
| Manufacturer | Nitto |
| Part Number | 217620 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | 217620 |
| Rim Size | 16 inches |
| Size | LT285/75R16 E 126/123Q |
| Vehicle Tire ISO Metric Size Description | 285/75R16 |
Listed on Amazon as: Nitto LT285/75R16 126/123Q E/10 RIDGE GRAPPLER BW
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#4 · Severe-Snow-Certified R/T
4. Sailun Terramax R/T
- Size: LT33X12.50R18
- Load Capacity: 3 lb
- Weight: 67 lb
- Rim Size: 18 in
Best for: Severe-winter rugged-terrain drivers.
Why it ranks #4: Its LT33X12.50R18 F construction, aggressive rugged-terrain tread, and Three Peak Mountain Snowflake certification suit buyers prioritizing winter capability.
Three Peak Mountain Snowflake certification sets the Sailun Terramax R/T apart for severe-winter use, while its aggressive tread serves on- and off-road driving. For a 2500 diesel with an 18-inch rim, the LT33X12.50R18 size, deep tread, and option to add permitted studs address rugged routes in challenging weather.
The aggressive tread pattern is intended to provide traction on and off road, giving this tire a stated role beyond highway travel. Deep tread depth is described as supporting consistent performance as the tire wears, which connects its construction to continued use over time. Three Peak Mountain Snowflake certification indicates severe-winter capability, and the tire can be pinned with studs where permitted for additional traction in those conditions.
- Three Peak Mountain Snowflake certified
- Aggressive tread targets on- and off-road traction
- Deep tread depth supports consistent performance as the tire wears
- Can be pinned with studs where permitted
- Its LT33X12.50R18 size requires an 18-inch rim.
Skip it if you need a 24-inch-rim tire; the Gripmax MaxGrip R/T+ is listed in 33×12.50R24.
Choose the Terramax R/T for a 2500 diesel with an 18-inch rim that faces rugged terrain and severe winter weather. Its listed size and stud use only where permitted are important boundaries for selection.
Full product details
| Brand | SAILUN |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 33 x 10 x 33 inches |
| Item Weight | 67 pounds |
| Load Capacity | 3 pounds |
| Manufacturer | Sailun |
| Part Number | 1600157 |
| Manufacturer Warranty Description | 45,000 Mile Limited Warranty |
| Model Number | 1600157 |
| Rim Size | 18 inches |
| Size | LT33X12.50R18 |
| Vehicle Tire ISO Metric Size Description | 33X12.50R18LT 122Q F |
Listed on Amazon as: Sailun Terramax R/T Rugged Terrain LT33X12.50R18 122Q F Light Truck Tire
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#5
5. Firestone Transforce AT2
- Size: LT245/75R16
- Load Capacity: 3042 lb
- Weight: 40 lb
- Rim Size: 16 in
Best for: Sixteen-inch commercial all-terrain work trucks.
Why it ranks #5: This commercial light-truck all-terrain tire lists a 3,042-pound capacity in LT245/75R16, making it a work-oriented option for trucks approved for that size.
The Firestone Transforce AT2 is identified as an all-terrain commercial light-truck tire, giving work-focused 2500 diesel owners a tire option in LT245/75R16. Its stated tough-for-work positioning and listed 3,042-pound load capacity provide concrete starting points for considering it on a 16-inch-rim setup.
The LT245/75R16 size and 16-inch rim define its fit, while the listed load capacity gives buyers a specific figure to weigh against their application. Firestone describes the Transforce AT2 as an all-terrain commercial light-truck tire and says it is built tough for work, placing it in a work-oriented category rather than a feature-rich winter or rugged-terrain description. Its supplied facts support a straightforward commercial-use and size assessment.
- All-terrain commercial light-truck tire
- Listed 3,042-pound load capacity
- LT245/75R16 size is specified
- Positioned for work-focused use
- Its LT245/75R16 size requires a 16-inch rim.
Skip it if you need severe-winter certification; the Sailun Terramax R/T is listed as Three Peak Mountain Snowflake certified.
Consider this Firestone for a work-focused 2500 diesel using LT245/75R16 tires and a 16-inch rim. The supplied details identify its commercial all-terrain role, but the specific tire size remains the key fit boundary.
Full product details
| Brand | Firestone |
|---|---|
| Included Components | Tire |
| Item Dimensions | 30.5 x 9.8 x 30.5 inches |
| Item Weight | 40 pounds |
| Load Capacity | 3042 pounds |
| Manufacturer | Bridgestone |
| Part Number | 181 |
| Manufacturer Warranty Description | No Warranty |
| Model Number | 181 |
| Rim Size | 16 inches |
| Size | LT245/75R16 |
| Vehicle Tire ISO Metric Size Description | LT245/75R16 |
Listed on Amazon as: Firestone Transforce AT2 All Terrain Commercial Light Truck Tire LT245/75R16 120 R E C
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#6
6. Kenda Klever R/T
- Size: 33X12.50R20
- Load Capacity: 2998 lb
- Weight: 67 lb
- Rim Size: 20 in
Best for: Mixed-terrain winter truck drivers.
Why it ranks #6: Its three-ply sidewall, aggressive tread, and 2,998-pound listed capacity target rough terrain, though the 33X12.50R20 size limits fitment.
Three full carcass plies pair with an aggressive sidewall tread on the Kenda Klever R/T KR601, helping this 33×12.50R20 tire withstand impacts while tackling mixed terrain. Interlocking center blocks, deep water channels, and dense sipes give 2500 diesel owners concrete traction features for wet roads, mud, snow, and ice.
The 20-inch rim size and 33×12.50 dimensions make this a specific fit choice, so compare those measurements with your truck’s setup before selecting it. Three carcass plies and a bead protector support resistance to impacts, while the aggressive sidewall tread adds protection and grip around rough terrain. Interlocking center blocks and high sipe density address traction in mud, snow, and ice; large grooves channel water away to support wet-road control.
- Three full carcass plies and a robust bead protector
- Aggressive sidewall tread for rough-terrain contact
- Interlocking center blocks target grip in mud, snow, and wet conditions
- High sipe density supports snow and ice traction
- Its 20-inch rim and 33×12.50 size limit it to trucks with that tire fit.
Skip it if you need a 16-inch-rim tire; the Lexani Terrain Beast AT is listed in LT245/75R16.
Choose this Kenda for a truck setup that takes 33×12.50R20 tires and needs sidewall protection alongside wet-weather and winter traction features. Its 20-inch rim size and listed dimensions are essential fit boundaries for your diesel.
Full product details
| Brand | Yokohama |
|---|---|
| Included Components | Tire |
| Item Dimensions | 32.8 x 12 x 32.8 inches |
| Item Weight | 67 pounds |
| Load Capacity | 2998 pounds |
| Manufacturer | Kenda |
| Part Number | 601009 |
| Manufacturer Warranty Description | 30 days |
| Model Number | 601009 |
| Rim Size | 20 inches |
| Size | 33X12.50R20 |
| Vehicle Tire ISO Metric Size Description | 330/12.50R20 |
Listed on Amazon as: Yokohama 33×12.50R20 Kenda Klever R/T KR601 119R E/10 Ply BSW Tire
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#7
7. Gripmax MaxGrip R/T+
- Size: 33X12.50R24
- Weight: 67.4 lb
- Rim Size: 24 in
Best for: Twenty-four-inch rugged-terrain builds.
Why it ranks #7: The 33X12.50R24 F, 12-ply rugged-terrain listing suits a compatible modified truck, but the supplied specifications do not state load capacity.
The Gripmax MaxGrip R/T+ combines rugged-terrain tread with heavy-duty reinforced construction, giving light trucks and SUVs an option that pairs off-road traction with on-road comfort. Its 33×12.50R24 size identifies it for 2500 diesel owners whose setup uses a 24-inch rim and this wide tire dimension.
Gripmax describes the MaxGrip R/T+ as an all-season rugged-terrain tire, connecting its off-road traction to use across seasons. The reinforced construction is identified as supporting heavy load capacities, while the stated on-road comfort focus addresses drivers who travel between trails or work areas and paved roads. At 33×12.50R24, it calls for a 24-inch rim; that specific size is central to deciding whether it suits your truck.
- Rugged-terrain tread is aimed at off-road traction
- Heavy-duty reinforced construction
- All-season designation
- Listed as combining off-road traction with on-road comfort
- Its 33×12.50R24 size requires a 24-inch rim.
Skip it if you need an 18-inch-rim rugged-terrain tire; the Sailun Terramax R/T is listed in LT33X12.50R18.
The MaxGrip R/T+ suits a 2500 diesel owner seeking rugged-terrain use and on-road comfort with a 24-inch-rim setup. Its 33×12.50R24 dimensions define a narrow fit boundary, so size compatibility is central.
Full product details
| Brand | GRIPMAX |
|---|---|
| Included Components | Tire only |
| Item Dimensions | 31 x 31 x 11 inches |
| Item Weight | 67.4 pounds |
| Dimensions | 31 x 31 x 11 inches |
| Manufacturer | Gripmax |
| Part Number | GRT017 |
| Model Number | GRT017 |
| Rim Size | 24 inches |
| Size | 33X12.50R24 |
| Vehicle Tire ISO Metric Size Description | 33/12.50R24 |
Listed on Amazon as: Gripmax MaxGrip R/T+ 33X12.50R24 F/12PLY
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#8
8. Atlas Priva R/T
- Size: 35X12.50R22
- Load Capacity: 3297 lb
- Weight: 288 lb
- Rim Size: 22 in
Best for: Four-tire rugged-terrain set buyers.
Why it ranks #8: This rugged-terrain LT35X12.50R22 F listing includes four tires and a 3,297-pound capacity, but its large 22-inch fitment is highly vehicle-specific.
This Atlas Priva R/T listing supplies four LT35X12.50R22 rugged-terrain tires, making it a set-sized option for light trucks and SUVs. Its aggressive tread and self-cleaning footprint target buyers who want terrain-focused traction for a 2500 diesel, while the 22-inch rim and 35-inch size define the fit.
The aggressive tread pattern and rubber compound are identified as supporting performance on rugged terrain, giving this set a clear off-road focus. Its self-cleaning nature helps keep the footprint clean during performance, a practical feature when moving through terrain that can load up the tread. The listing specifies LT35X12.50R22 and a 22-inch rim, so buyers should treat those dimensions as central to compatibility with their truck.
- Rugged-terrain, all-season tire for light trucks and SUVs
- Aggressive tread pattern targets rugged-terrain performance
- Rubber compound supports rugged-terrain performance
- Self-cleaning footprint helps keep the contact area clean
- The listed LT35X12.50R22 size requires a 22-inch rim.
Skip it if you need an 18-inch-rim rugged-terrain tire; the Sailun Terramax R/T is listed in LT33X12.50R18.
This Atlas listing suits a buyer seeking four rugged-terrain tires for a light truck or SUV with a 22-inch rim. The LT35X12.50R22 dimensions are a firm fit boundary for a 2500 diesel setup.
Full product details
| Brand | Atlas |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 33 x 33 x 11 inches |
| Item Weight | 288 pounds |
| Load Capacity | 3297 pounds |
| Manufacturer | Atlas |
| Part Number | 221036811 |
| Model Number | 221036811 |
| Rim Size | 22 inches |
| Size | 35X12.50R22 |
| Vehicle Tire ISO Metric Size Description | 35/12.50R22 |
Listed on Amazon as: Atlas Tire Priva R/T LT35X12.50R22 Rugged Terrain F (12 Ply) Four Tires
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#9
9. Lexani Terrain Beast AT
- Size: LT245/75R16
- Load Capacity: 1609 lb
- Weight: 28 lb
- Rim Size: 16 in
Best for: Sixteen-inch all-weather truck fit.
Why it ranks #9: Its LT245/75R16 E all-terrain construction includes full-depth sipes, but the listed 1,609-pound capacity is a key concern for a heavy-duty pickup.
Full-depth sipes and deep grooves give the Lexani Terrain Beast AT specific traction features for a 2500 diesel that encounters wet, slushy, or snowy roads. Its LT245/75R16 size and all-terrain, all-weather compound make it a clearly defined 16-inch-rim option for light trucks and SUVs seeking year-round versatility.
The deep grooves are described as expelling water and slush, helping address traction when road conditions are wet or messy. Full-depth sipes are intended to improve grip, and the all-terrain, all-weather compound supports varied seasonal use. Lexani also cites a computer-optimized design to lower road noise and vibration, which may suit drivers who want an all-terrain pattern without giving up the stated focus on a more comfortable drive.
- Deep grooves expel water and slush
- Full-depth sipes improve grip
- All-terrain, all-weather compound construction
- Computer-optimized design targets lower road noise and vibration
- Its LT245/75R16 size is limited to a 16-inch-rim fit.
Skip it if you need a 20-inch-rim tire for your setup; the Cooper Discoverer Stronghold AT is listed in LT275/60R20.
Consider the Lexani for a 2500 diesel with a 16-inch rim that needs all-terrain, all-weather features and water-clearing grooves. Its LT245/75R16 size is the main boundary when deciding whether it fits your truck.
Full product details
| Brand | Lexani |
|---|---|
| Included Components | Tires |
| Item Dimensions | 31 x 31 x 10 inches |
| Item Weight | 28 pounds |
| Load Capacity | 1609 pounds |
| Manufacturer | Lexani |
| Part Number | LXSTAT1675040 |
| Manufacturer Warranty Description | Standard Manufacturer Warranty |
| Model Number | LXSTAT1675040 |
| Rim Size | 16 inches |
| Size | LT245/75R16 |
| Vehicle Tire ISO Metric Size Description | LT245/75R16 |
Listed on Amazon as: Lexani Terrain Beast AT LT245/75R16 120/116S E
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#10
10. Cooper Discoverer HT3
- Size: 235/65R16C 121/119R
- Load Capacity: 3195 lb
- Weight: 36.6 lb
- Rim Size: 16 in
Best for: Highway-focused commercial van drivers.
Why it ranks #10: The highway-focused tire lists a 3,195-pound capacity and 50,000-mile treadwear warranty, but its 235/65R16C fitment is a poor general match.
Four wide channels are the Cooper Discoverer HT3’s defining wet-weather feature, helping this highway-oriented light-truck tire provide control in rainy conditions. The 235/65R16C size, precise-steering emphasis, and debris-repelling tread target 2500 diesel owners whose driving centers on paved roads rather than demanding off-road terrain.
The four channels help move water through the tread, supporting the stated wet-condition control, while additional biting edges contribute stability. Cooper’s tread design also repels stone and debris, a practical feature for drivers moving between paved routes and rougher work areas. Its highway focus and emphasis on precise steering and smooth handling suit routine road use; the listed 16-inch rim and 235/65R16C dimensions define the fit to check.
- Four wide channels support wet-condition control
- Additional biting edges help maximize stability
- Tread design helps repel stone and debris
- Highway-oriented design emphasizes precise steering and smooth handling
- Its 235/65R16C size is a specific 16-inch fit, not a 20-inch option.
Skip it if you need a 20-inch-rim tire; the Cooper Discoverer Stronghold AT is listed in LT275/60R20.
The HT3 fits buyers prioritizing highway driving, wet-road control, and debris-repelling tread on a 16-inch setup. Its 235/65R16C dimensions make it a specific fit choice, so it is not a general-purpose size for every 2500 diesel.
Full product details
| Brand | Cooper |
|---|---|
| Included Components | Tire Only |
| Item Dimensions | 28.03 x 28.03 x 9.4 inches |
| Item Weight | 36.6 pounds |
| Load Capacity | 3195 pounds |
| Manufacturer | Cooper |
| Part Number | 170207003 |
| Manufacturer Warranty Description | 50,000 Mile Treadwear |
| Model Number | 170207003 |
| Rim Size | 16 inches |
| Size | 235/65R16C 121/119R |
| Vehicle Tire ISO Metric Size Description | 235/65R16 |
Listed on Amazon as: Cooper Discoverer HT3 All Season Truck Tire, 235/65R16C 121/119R, Set of 1
View on AmazonWhy a tire can look heavy-duty but still be a poor fit
A rugged tread or high ply description does not by itself establish that a tire can carry your truck’s required load. The listings illustrate why: the Gripmax is described as reinforced and F/12-ply, but no load capacity is supplied, while the Lexani lists 1,609 pounds despite its E construction. Conversely, the Atlas listing states 3,297 pounds but is a 35X12.50R22 tire and may not match an unmodified truck.
Do not compare these figures without checking whether they are stated per tire and confirming the tire’s load index, pressure requirements, and your vehicle’s axle ratings. A wrong size can also cause clearance or handling problems.
Treat the vehicle placard and owner’s manual as the starting point; consult a tire professional if changing size or wheel diameter. Never assume a rugged appearance compensates for an incompatible fitment or load rating.
Tread trade-offs for towing, winter, and rough roads
The right tread depends on where the truck spends its working hours, because off-road emphasis and highway use are different priorities. The Cooper Discoverer Stronghold AT is presented as an all-terrain tire with wide grooves for soft surfaces and 3D sipes for stability; the Cooper Discoverer HT3 is explicitly optimized for highway driving and wet control. Rugged-terrain options such as the Sailun Terramax R/T and Kenda Klever R/T emphasize aggressive tread, while the Sailun specifically carries a Three Peak Mountain Snowflake certification and can be pinned with studs where permitted.
Those details do not establish stopping distances, noise levels, or towing performance for your particular truck. For frequent highway towing, consider whether the tread’s intended use suits long paved trips; for muddy or unpaved job sites, compare the off-road focus and load specifications.
Winter certification is useful context, not a guarantee that chains or other precautions are unnecessary.
How to Choose Tires for a 2500 Diesel
Approved size and wheel fitment
Start with the exact tire size approved for your truck and wheels; do not select by appearance or vehicle class alone. These listings range from 235/65R16C and LT245/75R16 to LT275/60R20, LT33X12.50R18, and 35X12.50R22. Rim sizes range from 16 to 24 inches, so they are not interchangeable choices.
A 16-inch option may suit a truck that already uses approved 16-inch wheels, while 20- or 22-inch sizes only make sense if that wheel fitment is approved. Check clearance, load requirements, and the vehicle placard before ordering.
If changing wheel diameter or overall tire size, ask a qualified tire professional to confirm compatibility rather than assuming that a 2500 designation guarantees a match.
Load capacity and construction
Choose a tire whose verified load rating meets your truck’s requirements at the specified pressure; compare the tire rating with axle limits and expected payload. Listed capacities span 1,609 pounds for the Lexani to 3,750 pounds for the Nitto, while the BFGoodrich lists 3,748 pounds and the Stronghold 3,415 pounds. Several listings identify E or F construction, and the Gripmax states F/12-ply, but construction labels alone do not replace the actual load index and capacity.
Buyers carrying heavy loads or using high-torque work trucks should prioritize a confirmed adequate rating; lighter-duty use does not justify fitting a tire below the vehicle’s requirements. Verify whether the stated capacity applies per tire and check complete manufacturer data before purchase.
Road, terrain, and winter priorities
Match the tread type to the surfaces you actually drive, since these products range from highway-focused to rugged-terrain designs. The Cooper Discoverer HT3 is optimized for highway driving and lists a 50,000-mile treadwear warranty; the Stronghold AT is an all-terrain option with a 60,000-mile warranty. At the rougher end, the BFGoodrich HD-Terrain targets heavy-duty work and unpaved sites, while the Sailun Terramax R/T adds Three Peak Mountain Snowflake certification.
Highway commuters and tow vehicles spending most miles on pavement may prefer a highway or all-terrain design; drivers regularly facing rough ground can weigh rugged-terrain features more heavily. No listing supplies comparative noise or braking tests, so do not infer those outcomes from tread category alone.
Which tire suits your 2500 diesel?
For a general mix of paved roads, work, and occasional rough surfaces, start with the Cooper Discoverer Stronghold AT, provided LT275/60R20 is approved for your truck. If your priority is high-torque job-site use, consider the BFGoodrich HD-Terrain T/A KT and verify its LT285/75R16 fitment. The Nitto Ridge Grappler lists the highest stated capacity at 3,750 pounds and offers a hybrid all-terrain design, but also requires compatible 16-inch wheels.
For severe-winter conditions, the Sailun Terramax R/T is the listed Three Peak Mountain Snowflake-certified option. Choose the Cooper Discoverer HT3 only if its highway-oriented 235/65R16C size and capacity suit the vehicle.
Before ordering any tire, confirm size, load index, pressure, and wheel compatibility against your truck’s placard and requirements.
Related Buying Guides
Frequently Asked Questions
How do I confirm the correct tire size and load rating for my 2500 diesel?
Check the truck’s tire placard and owner’s manual for approved sizes, load requirements, and pressures, then verify wheel compatibility. Compare those requirements with the complete tire size and load information in the listing. For example, the Cooper Discoverer Stronghold AT is listed as LT275/60R20, which will not fit every 2500 diesel.
Confirm before ordering.
Do all-terrain or rugged-terrain tires make more sense for towing and job-site use?
Choose based on where the truck spends most of its time. An all-terrain tire can suit a mix of paved roads, work, and occasional rough surfaces; rugged-terrain options may be worth considering when job-site use is the priority. For high-torque job-site use, the editorial pick is the BFGoodrich HD-Terrain T/A KT, if its fitment is approved.
Will a severe-snow-rated tire eliminate the need for winter tires or chains?
No. A severe-snow rating does not guarantee that a tire will replace dedicated winter tires or chains in every condition or jurisdiction. The Sailun Terramax R/T is the listed Three Peak Mountain Snowflake-certified option, but check local requirements and your route’s winter conditions, and follow your vehicle’s guidance on chains.
What should I verify before choosing a tire for towing?
Verify that the tire’s load rating meets your truck’s requirements, along with approved size, inflation pressure, and wheel compatibility. Do not select a tire solely because its stated capacity is high: the Nitto Ridge Grappler lists 3,750 pounds, but its LT285/75R16 size requires compatible 16-inch wheels and must suit your truck.
Can I choose a tire based on tread type alone?
No. Tread type is only one consideration; the tire must also match your truck’s approved size, load requirements, pressure guidance, and wheels. For example, the Cooper Discoverer HT3 is highway-oriented, but its listed 235/65R16C size and capacity must suit the vehicle.
Confirm all fitment details before ordering.
Final Words
For a general mix of paved roads, work, and occasional rough surfaces, start with the Cooper Discoverer Stronghold AT if LT275/60R20 is approved for your truck. Consider the BFGoodrich HD-Terrain T/A KT for high-torque job-site use, or the Sailun Terramax R/T for severe-winter conditions. Check the placard and vehicle requirements for size, load, pressure, and wheel compatibility before ordering; listed fitments do not suit every 2500 diesel.


