Best Battery For Dodge Cummins Diesel: 10 AGM Options Compared

#1 · Best Overall

1. OPTIMA RedTop 34/78

• Dimensions: 6.88"D x 10"W x 7.81"H
• Weight: 38.8 lb
• Voltage: 12 V

Best for: Cold-weather starting with dual terminals.

Why it ranks #1: It lists 800 CCA, 100 minutes of reserve capacity, dual SAE/GM posts, and truck compatibility, combining strong starting output with flexible terminals.

Dual SAE and GM terminals let the OPTIMA 34/78 RedTop serve vehicles that need either connection style, while its 800 CCA supports starting power in bad weather. Its 100-minute reserve and sealed AGM construction add practical flexibility for truck owners seeking a starting-focused battery.

SpiralCell technology uses 99.99% pure lead, which OPTIMA says delivers more power and starting performance than conventional flat-plate batteries. The 800 CCA rating and bad-weather starting claim make this a fit for drivers prioritizing ignition over deep-cycle use. Dual SAE and GM posts offer terminal flexibility, while the 100-minute reserve supports constant performance. The listed size is about 10 by 6.94 by 7.88 inches, so check the tray and cable layout before installation.

Skip it if you need deep-cycle support for accessory loads; the OPTIMA DH7 YellowTop is explicitly described for starting and cycling.

Choose this for a truck owner who wants 800-CCA starting, flexible SAE or GM connections, and a 100-minute reserve. Its 50 Ah capacity favors starting needs over vehicles requiring substantial cycling.

Listed on Amazon as: OPTIMA Batteries High Performance 34/78 RedTop Sealed AGM Car, Truck, and SUV Starting Battery, 800 CCA, Dual SAE and GM Terminals, Maintenance Free, Versitile Mounting

#2 · Highest Listed CCA

2. Odyssey ODX-AGM65

• Dimensions: 7.16"D x 11.83"W x 7.43"H
• Weight: 60 lb
• Voltage: 12 V

Best for: High-output Group 65 starting.

Why it ranks #2: Its 930 CCA leads the listed figures, and Group 65 dimensions plus a four-year manufacturer warranty make it a high-output candidate to verify for fit.

The Odyssey ODX-AGM65 lists 930 CCA and 1,750 PHCA, making its high starting-output figures the defining feature for drivers prioritizing cranking performance. Its 135-minute reserve and Group 65 format add useful capacity and fit details for evaluating this 12-volt AGM battery.

The 930 CCA figure provides a direct measure for comparing cold-start needs, while the 1,750 PHCA and 1,350 HCA ratings give additional starting-output specifications. Its 135-minute reserve can help buyers compare sustained capacity, and the listed Group 65 SAE automotive posts make the connection style explicit. The battery measures 11.83 by 7.16 by 7.43 inches and weighs 60 pounds, so both tray dimensions and lifting considerations belong in installation planning.

Skip it if you need a lighter Group 65 battery; the Interstate MTX Group 65 is listed at 45 pounds.

Choose this for a buyer who prioritizes listed cranking output and SAE-post connections in a Group 65 battery. Its 60-pound weight and stated dimensions should be considered when planning installation.

Listed on Amazon as: Odyssey Battery ODX-AGM65 Extreme Series AGM Battery

#3 · Truck-Listed Group 65

3. Interstate MTX-65

• Dimensions: 12.06"D x 7.56"W x 7.44"H
• Weight: 45 lb
• Voltage: 12 V

Best for: Group 65 AGM accessory power.

Why it ranks #3: This Group 65 AGM lists truck compatibility, 750 CCA, and dimensions of 12.06 by 7.56 by 7.44 inches.

The Interstate MTX Group 65 AGM pairs 750 CCA with 68 Ah, giving truck and SUV owners concrete starting and capacity figures in one battery. Its absorbed glass-mat construction is also presented as a way to power accessories while meeting or exceeding starting requirements.

Interstate says its MTX AGM packs more lead into the battery, a construction choice associated with the longest life possible for its start-stop vehicle use. The listed 750 CCA addresses engine starting, while 68 Ah and the stated accessory-power role speak to electrical demand beyond ignition. Its Group 65 case measures 12.06 by 7.56 by 7.44 inches and weighs 45 pounds. Use the manufacturer compatibility guide to check vehicle fit before installation.

Skip it if you want a listed 95 Ah capacity; the Weize Platinum Group 49 specifies 95 Ah and 900 CCA.

Consider this for a Group 65 application needing AGM construction, 750 CCA, and accessory power for a truck or SUV. Use Interstate’s compatibility guide to verify the vehicle and installation fit.

Listed on Amazon as: Interstate Batteries Car Battery 12V 68Ah 750CCA Group 65 AGM

#4 · Best Dual-Purpose

4. OPTIMA YellowTop D34/78

• Dimensions: 6.88"D x 10"W x 7.81"H
• Weight: 43.5 lb
• Voltage: 12 V

Best for: Dual-purpose accessory-load support.

Why it ranks #4: It offers 750 CCA, 120 minutes of reserve capacity, and dual SAE/GM terminals; its dual-purpose design suits accessory loads as well as starting.

Dual SAE and GM terminals give the OPTIMA D34/78 YellowTop connection flexibility, while its dual-purpose design supports both starting and cycling. With 750 CCA, 55 Ah, and a 120-minute reserve, it suits accessory-loaded vehicles needing more than a starting-only battery.

OPTIMA identifies the YellowTop as a dual-purpose automotive battery with cranking power and cycling capability, and specifically cites trucks with winches and high-demand audio systems. Its 750 CCA supports starting, while 55 Ah and a 120-minute reserve provide capacity details for ongoing electrical demand. SpiralCell technology uses 99.99% pure lead, and the battery measures 10 by 6.88 by 7.81 inches. The dual SAE and GM terminals broaden connection options, but vehicle fit still depends on tray and cable layout.

Skip it if you need 80 Ah for heavier accessory demands; the OPTIMA DH7 YellowTop lists that capacity and 880 CCA.

This suits a buyer with accessory loads who wants a dual-purpose YellowTop, 120-minute reserve, and SAE or GM terminals. Check the vehicle’s tray dimensions and terminal layout before installation.

Listed on Amazon as: OPTIMA® Batteries High Performance D34/78 YELLOWTOP® Sealed AGM Battery

#5

5. OPTIMA RedTop 34R

• Dimensions: 6.88"D x 10"W x 7.81"H
• Weight: 37.9 lb
• Voltage: 12 V

Best for: 800-CCA SAE-post starting.

Why it ranks #5: The 34R provides 800 CCA and 100 minutes of reserve capacity, but its SAE-only posts and unspecified truck fit require close compatibility checks.

The OPTIMA 34R RedTop supplies 800 CCA through an SAE-post configuration, giving truck owners a strong starting specification without the dual GM terminals of the 34/78 version. Its 100-minute reserve and SpiralCell design add useful context for a starting-focused AGM choice.

OPTIMA describes the RedTop as a starting battery for harsh weather, and its 800 CCA rating gives buyers a concrete cranking figure to consider. SpiralCell technology uses 99.99% pure lead and is specified to outperform conventional flat-plate batteries. The 100-minute reserve supports constant performance, while SAE posts provide a defined connection type. Its case measures about 10.06 by 6.88 by 7.88 inches and weighs 37.9 pounds, so check tray and terminal placement before fitting.

Skip it if you need GM terminal posts alongside SAE; the OPTIMA 34/78 RedTop lists both connection types.

Choose this for a truck owner seeking an 800-CCA starting battery with SAE posts and a 100-minute reserve. Its terminal arrangement and case dimensions are key fit considerations before purchase.

Listed on Amazon as: OPTIMA Batteries High Performance 34R RedTop Sealed AGM Car, Truck and SUV Starting Battery, 800 CCA, SAE Terminal, Maintenance Free, Versitile Mounting

#6

6. Weize Platinum AGM H8

• Dimensions: 6.89"D x 13.9"W x 7.48"H
• Weight: 56.4 lb
• Voltage: 12 V DC

Best for: High-capacity Group 49 option.

Why it ranks #6: Its Group 49 format lists 900 CCA, 95 Ah, and 160 minutes of reserve capacity, though the listing identifies passenger-car compatibility only.

The Weize Platinum AGM combines a 95 Ah capacity with 900 CCA in a Group 49, 12-volt format, giving buyers clear capacity and starting figures to compare. Its 160-minute reserve adds a useful reference for drivers weighing sustained electrical capacity alongside engine-starting demands.

A 900 CCA rating gives this AGM battery a concrete starting specification, while its 95 Ah capacity and 160-minute reserve describe the available capacity for electrical demands beyond cranking. The Group 49 size measures 13.9 by 6.89 by 7.48 inches, so its relatively long case makes tray dimensions especially relevant during installation. At 56.4 pounds, handling may take care during fitting. The supplied specifications identify it as a 12-volt automotive battery, but do not provide terminal details.

Skip it if you require a listed dual-purpose accessory battery; the OPTIMA DH7 YellowTop specifies starting and cycling capability.

Consider this for a buyer comparing Group 49 batteries who values listed 900-CCA starting, 95 Ah capacity, and a 160-minute reserve. Confirm the Group 49 case and connection arrangement suit the vehicle.

Listed on Amazon as: Weize Platinum AGM Battery BCI Group 49-12v 95ah H8 Size 49 Automotive Battery, 160RC, 900CCA, 36 Months Warranty, Dimensions 13.9" L x 6.89" W x 7.48" H

#7

7. OPTIMA YellowTop DH7

• Weight: 22.68 kg
• Voltage: 12 V

Best for: Accessory-heavy starting and cycling.

Why it ranks #7: It provides 880 CCA, 80 Ah, and 155 minutes of reserve capacity, but its DIN Type A1 terminals and passenger-car listing limit certainty for truck fit.

An 80 Ah capacity paired with 880 CCA gives the OPTIMA DH7 YellowTop both substantial reserve and strong starting figures, a combination suited to accessory-loaded vehicles. Its 155-minute reserve and dual-purpose AGM role support drivers who need cranking power alongside repeated cycling capability.

OPTIMA describes the YellowTop as a true dual-purpose automotive battery with premium cranking power and cycling capability, making it relevant for vehicles carrying high-demand audio or winch loads. Its 880 CCA supports starting, while 80 Ah and a 155-minute reserve provide capacity for ongoing electrical demand. PureFlow radial grid plates made with 99.99% pure lead are specified for resistance to vibration damage and corrosion. The DIN Type A1 terminals and 12.44-by-6.88-by-7.5-inch dimensions warrant checking against the vehicle setup.

Skip it if you need SAE or GM posts; the OPTIMA 34/78 RedTop lists both terminal styles.

Pick this for a vehicle with high-demand accessories that needs both starting power and cycling capability. Its DIN Type A1 terminals and listed dimensions make terminal and tray checks important before choosing it.

Listed on Amazon as: OPTIMA® Batteries High Performance DH7 YELLOWTOP® Sealed AGM Battery

#8

8. ACDelco Gold 94RAGM

• Dimensions: 6.9"D x 12.4"W x 7.5"H
• Weight: 51.6 lb
• Voltage: 12 V

Best for: Group 94 AGM cycling capacity.

Why it ranks #8: This 94R AGM has a 36-month free-replacement/limited warranty and high-cycling design, but its specifications do not confirm Dodge Cummins fit.

The ACDelco Gold 94RAGM uses high-density plate oxide for maximum power per pound and dependable high-cycling service, making its construction the key draw for demanding electrical use. Its Group 94R format and 12.4-inch case length help buyers assess whether this AGM battery suits their tray.

High-density negative paste and a silver-calcium stamped alloy are specified to improve performance and cycle life, while the calcium-lead positive grid maximizes conductivity and allows low resistance. A puncture-resistant envelope separator supports acid circulation and helps prevent shorts. ACDelco describes its automotive AGM batteries as charge-receptive and leak- and spill-proof. The 94R case measures 12.4 by 6.9 by 7.5 inches and weighs 51.6 pounds, so both tray space and handling matter during installation.

Skip it if you need a shorter Group 48 case; the ACDelco Gold 48AGM measures 11.9 inches long.

This is a candidate for buyers seeking a Group 94R AGM with high-cycling construction and specified acid-circulation features. Its 12.4-inch length and 51.6-pound weight are practical installation considerations.

Listed on Amazon as: ACDelco Gold 94RAGM (88864542) 36 Month Warranty AGM BCI Group 94R Battery

#9

9. OPTIMA RedTop 25

• Dimensions: 6.81"D x 10.31"W x 7.63"H
• Weight: 32 lb
• Voltage: 12 V

Best for: Compact RedTop starting battery.

Why it ranks #9: It supplies 720 CCA and 90 minutes of reserve capacity in a compact format, but its lower listed output and unspecified truck fit make it less compelling.

At 720 CCA and 31.7 pounds, the OPTIMA 25 RedTop offers a lighter, compact starting-battery profile for buyers comparing battery weight and case size. Its SpiralCell technology and 90-minute reserve add bad-weather starting and reserve details without positioning it as a deep-cycle model.

OPTIMA says its SpiralCell design uses 99.99% pure lead to deliver more power than conventional flat-plate batteries, and describes the RedTop as a starting battery for harsh weather. The 720 CCA and 90-minute reserve provide concrete starting and reserve figures. Its SAE posts keep the connection type clear, while the case measures about 9.38 by 6.75 by 7.69 inches. Check the vehicle tray and cable arrangement against those dimensions before installation.

Skip it if you need 800 CCA in an SAE-post RedTop; the OPTIMA 34R RedTop lists that output.

This fits a buyer seeking a smaller, lighter RedTop starting battery with SAE posts and a listed 90-minute reserve. Its 720 CCA and case dimensions are the main figures to check against vehicle needs.

Listed on Amazon as: OPTIMA® Batteries High Performance 25 REDTOP® Sealed AGM Battery

#10

10. ACDelco Gold 48AGM

• Dimensions: 7.5"D x 11.9"W x 7.6"H
• Weight: 45.5 lb
• Voltage: 12 V

Best for: Cycle-focused Group 48 AGM.

Why it ranks #10: Although it is listed as truck-compatible and has a 36-month warranty, its Group 48 format and lack of listed CCA make Cummins suitability uncertain.

A robust envelope separator with a puncture-resistant back helps the ACDelco Gold 48AGM support acid circulation while preventing shorts. Combined with its high-cycling AGM design and charge receptivity, that construction suits truck owners who want a battery intended for repeated charging and discharging.

ACDelco pairs high-density negative paste with a silver-calcium alloy, features it says improve performance, cycle life, and battery life. The calcium-lead positive grid is specified to maximize conductivity and allow low resistance, while improved acid circulation helps keep the battery cool. Its AGM electrolyte is held in a glass mat, described as leak- and spill-proof. The Group 48 case measures 11.9 by 7.5 by 7.6 inches; checking tray and terminal layout remains important for installation.

Skip it if you need a Group 94 case; the ACDelco Gold 94RAGM is the larger-format alternative.

Choose this for a truck owner prioritizing charge receptivity and cycling features in a Group 48 AGM. The 11.9-inch case length and vehicle connection layout should guide the final fit decision.

Listed on Amazon as: ACDelco Gold 48AGM (88864541) 36 Month Warranty AGM BCI Group 48 Battery