Best Stub Axle For Trailer: Compare 10 Trailer Options

#1 · Best Overall

1. RIGID HITCH 2,000 lb Torsional

Best for: Custom motorcycle trailer builders.

Why it ranks #1: Its 2,000 lb total rating, paired torsional axles, 5-on-4.5-inch hubs, and included bearings, seals, and dust caps make a well-specified build package.

A 2,000-pound total rating, split between two 1,000-pound torsional stub axles, gives custom trailer builders a defined capacity for planning a paired setup. The included 5-on-4.5-inch idler hubs, bearings, seals, and dust caps also provide key hub components alongside the axles.

The 45-degree downward starting angle and 2.5 inches of travel give the torsional suspension room to respond as the trailer moves. Its progressive torque action uses rubber cords to cushion movement of the inner bar, supporting shock absorption and load handling. Mount the stub axles by bolting or welding, depending on the frame plan; bolt-on hardware is not included. The supplied 5-bolt hubs use a 4.5-inch pattern, a specific wheel-mounting consideration when building or replacing components.

Skip it if you need included bolt-on mounting hardware; these axles require separately sourced hardware for that installation method.

A custom motorcycle-trailer builder wanting a paired torsional setup, included idler hubs, and flexible frame mounting can consider this kit. Keep its 2,000-pound total rating, 4.5-inch hub pattern, and hardware requirements in view when planning the trailer.

Listed on Amazon as: 2,000 lb. Torsional Stub Axles with 5-Bolt on 4-1/2 Inch Hubs (TSA-20150)

#2 · Best Complete Kit

2. TXINGMENG 3,500 lb Kit

Best for: 5-on-4.5-inch hub replacements.

Why it ranks #2: This paired 3,500 lb kit includes idler hubs, #84 spindles, bearing kits, castle nuts, washers, cotter pins, and 5-on-4.5-inch hubs.

A paired 3500-pound stub axle kit with 5-on-4.5-inch idler hubs targets trailer repairs needing that specific wheel pattern. The package lists #84 round non-flanged spindles, bearings, and assembly hardware, offering more of the two-side replacement components in one kit.

Each #84 spindle has a 2-by-3.37-inch tail, and the listed L68149 inner and L44649 outer bearings define the bearing arrangement for matching components. The two idler hubs use 1/2-20 wheel studs and the 5-on-4.5-inch pattern, details that guide wheel compatibility. Cotter pins, castle nuts, spindle washers, and 60-degree coned lug nuts are included for assembly. The spindles are explicitly non-flanged, so this kit does not provide a brake flange.

Skip it if you need brake flanges; GXYWADY’s 2 Sets Pre-Assembled 5 on 4.75 Inch Idler Hub Spindle Kit lists them.

This kit suits a two-side trailer axle repair or utility-trailer fabrication using the 5-on-4.5-inch pattern. Its included assembly hardware simplifies component gathering, but buyers needing a brake flange should account for the non-flanged spindle design.

Listed on Amazon as: Pair 3500 lb Trailer Stub Axle Kit 5 on 4.5 #84 Spindles Hubs Brake Flange

#3 · Brake-Ready Option

3. GXYWADY 3,500 lb Kit

Best for: Small-GM-pattern axle conversions.

Why it ranks #3: The paired 3,500 lb stub axle ends include 5-on-4.75-inch idler hubs and brake flanges for possible future brake installation.

A 5-on-4.75-inch bolt pattern makes this paired idler-hub spindle kit a specific option for trailers using the small GM pattern. The two stub axle ends are rated at 3,500 pounds, and their brake flanges leave a provision for future brake installation.

Each spindle has a 3.37-inch tail shaft and a 2-inch diameter, dimensions relevant to the intended standard 2-inch mounting sleeve application. The included idler hubs and paired ends make the kit applicable to a two-side replacement or fabrication task. Its brake flanges support adding brakes later, rather than requiring that choice at initial assembly. Confirming the small-GM bolt pattern and sleeve dimensions against the trailer’s existing layout is central to selecting this kit.

Skip it if you need a 5-on-4.5-inch hub pattern; TXINGMENG’s 3500 lb Trailer Stub Axle Kit lists that pattern instead.

A trailer builder or repairer using the 5-on-4.75-inch small-GM pattern can weigh this paired kit for a 3,500-pound-rated setup. The standard 2-inch sleeve application and stated tail dimensions are important boundaries for installation planning.

Listed on Amazon as: GXYWADY 2 Sets Pre-Assembled 5 on 4.75 Inch Idler Hub Spindle Kit

#4 · Small-Rim Torsional

4. Reliable 1,000 lb Torsional

Best for: Small-wheel torsion trailer builds.

Why it ranks #4: The torsional pair offers independent suspension, a 45-degree-down starting position, and stated compatibility with 8- to 12-inch rims.

A 1,000-pound capacity pair with independent torsional suspension suits trailer builds where each stub axle can respond separately. The one-piece forged spindles start 45 degrees down, and the stated wheel-rim range of 8 to 12 inches gives buyers a defined boundary for selecting wheels.

Progressive torque action uses rubber cords to cushion the inner bar’s turning, while independent suspension allows each side to act separately. Those features support a torsional setup without requiring a shared suspension response. The straight spindles come with castle nuts and cotter pins, supplying specified fastening components for assembly. Mounting may be bolted or welded to the frame, but the listed wheel-rim limit is 12 inches, so larger rims fall outside the stated application.

Skip it if you need hubs or bearings included; the listed package details specify axles and spindle fasteners, not those components.

Choose this pair for a smaller-wheel trailer project needing independent torsional suspension and a 1,000-pound capacity. Its 8-to-12-inch rim range is a firm selection boundary, and buyers should account for the hub components needed for their assembly.

Listed on Amazon as: Reliable 1,000 lb. Capacity Torsional Stub Axles – Pair

#5

5. RIGID HITCH 500 lb Torsional

Best for: Compact motorcycle trailer builds.

Why it ranks #5: This 500 lb torsional option includes 4-bolt-on-4-inch hubs and a 45-degree downward starting angle for a low-capacity custom build.

A 4-bolt-on-4-inch hub pattern distinguishes this 500-pound torsional stub axle set for compact custom trailer projects. Its 45-degree downward starting angle supports a defined suspension geometry, while the option to bolt or weld the axles gives builders two frame-attachment approaches.

The supplied description identifies rubber-cord torsional action that cushions the inner bar’s turning, with progressive torque action intended to support shock absorption and load handling. That gives this set a suspension function beyond a fixed spindle connection. Bolting permits a different attachment route from welding, though the required bolt-on hardware is not included. The 500-pound capacity is the key load boundary, and the 4-bolt, 4-inch hub pattern must match the intended wheel setup.

Skip it if you need a higher-rated torsional pair; Reliable’s 1,000 lb. Capacity Torsional Stub Axles – Pair lists twice this set’s capacity.

This is a fit for a builder making a light-duty custom motorcycle trailer around the 4-bolt-on-4-inch hub pattern. Keep the 500-pound rating and separately sourced bolt-on hardware in mind when choosing the frame attachment.

Listed on Amazon as: 500 lb. Torsional Stub Axles With 4-Bolt on 4 Inch Hubs (TSA-5100)

#6

6. Reliable 500 lb Torsional

Best for: Light-duty torsion trailer projects.

Why it ranks #6: It provides a 500 lb torsional pair with independent suspension and a stated 8- to 12-inch wheel-rim range, but no hub package is specified.

A 500-pound capacity pair gives light-duty trailer builders a clearly limited torsional option. Its one-piece forged straight spindles start 45 degrees down, while the stated 8-to-12-inch rim range narrows wheel selection to a defined size window for the assembly.

The rubber-cord torsional design uses progressive torque action to cushion the inner bar’s turning, and independent suspension lets the sides respond separately. That arrangement provides a distinct suspension approach for a small trailer project. Castle nuts and cotter pins are included with the straight spindles, supporting their specified fastening setup. The axles can be bolted or welded to the frame, but the rim limit is 12 inches, and the 500-pound capacity should guide load planning.

Skip it if you need a 1,000-pound torsional pair; Reliable’s 1,000 lb. Capacity Torsional Stub Axles – Pair provides that higher listed capacity.

This pair fits a light-duty trailer build whose planned load stays within 500 pounds and whose wheels fall in the stated 8-to-12-inch range. Its torsional action and two mounting methods suit builders choosing between welding and bolting.

Listed on Amazon as: Reliable 500 lb. Capacity Torsional Stub Axles – Pair

#7

7. QJZ SP504 Drop Spindle

Best for: Drop-spindle weld-on repairs.

Why it ranks #7: The weld-on #84 spindle is specified for a 3,500 lb axle, with a 4-inch drop, 1.75-inch stub diameter, and brake flange.

A 4-inch drop positions this #84 E-Z Lube spindle below the axle-beam center, giving a repair or fabrication project a specified drop-style geometry. It is listed for a 3,500-pound trailer axle and includes a brake flange, making brake-flange compatibility part of the component selection.

The 8.25-inch overall length and 1.75-inch stub diameter give weld-on installers concrete dimensions for planning the spindle position and attachment. Its #84 E-Z Lube configuration is listed with L44649/10 and L68149/11 bearing sets, helping buyers match the bearing arrangement to the spindle. A brake flange supports a build that calls for a flange at the spindle, while the 4-inch drop affects axle-to-wheel placement. This is a spindle, not a complete hub kit.

Skip it if you need hubs and a paired axle kit included; TXINGMENG’s 3500 lb Trailer Stub Axle Kit lists hubs and assembly hardware.

This suits a fabricator replacing or adding a single weld-on, drop-style spindle with a brake flange. Check the stated #84 bearing-set compatibility and dimensions against the axle project; buyers needing hubs or a paired kit should select accordingly.

Listed on Amazon as: SP504 – Trailer Spindle for 3500 lbs Axle – #84 E-Z Lube Weld-On – Drop Style (4 in) with Brake Flange Compatible with Bearings Kit: L44649/10 & L68149/11

#8

8. RALZAOTO SP131 Spindle

Best for: Weld-on EZ Lube spindle repairs.

Why it ranks #8: This weld-on #84 spindle is listed for a 3,500 lb axle and a 1,750 lb spindle capacity, with specified compatible bearing sets.

A #84 E-Z Lube spindle with a brake flange combines a specified bearing configuration and brake-mounting provision in one weld-on component. It is listed for a 3,500-pound trailer axle, with a spindle capacity of 1,750 pounds, useful distinctions when planning a replacement.

The 1.75-inch stub diameter and weld-on installation specify the attachment approach and a key dimension for fabrication. Compatibility with L44649/10 and L68149/11 bearing sets helps narrow bearing selection for the #84 E-Z Lube spindle. Its brake flange gives the assembly a provision for brake installation, while the stated 1,750-pound spindle capacity should be considered separately from the 3,500-pound axle rating. This listing is for a spindle, not a hub-and-axle-end kit.

Skip it if you need a complete hub-and-spindle kit; TXINGMENG’s 3500 lb Trailer Stub Axle Kit includes idler hubs and assembly hardware.

A trailer repairer needing a weld-on #84 E-Z Lube spindle with a brake flange can use the listed dimensions and bearing compatibility to assess the part. Keep the individual 1,750-pound spindle capacity distinct from the axle rating.

Listed on Amazon as: SP131 Trailer Spindle #84 EZ Lube Weld-On with Brake Flange

#9

9. Generic 3,500 lb End Kit

Best for: 5-on-5.5-inch axle-end replacements.

Why it ranks #9: Its #84 spindle and 5-on-5.5-inch idler hub address a single damaged axle end, but supplied details do not establish a paired kit.

A 5-on-5.5-inch idler hub pattern is the defining fit detail of this 3500-pound stub axle end kit. It pairs a #84 spindle configuration with matching hub components for replacing one damaged axle end on a light-duty utility, equipment, or enclosed trailer.

The stated 3,500-pound trailer-axle application and #84 spindle configuration identify the intended replacement category. A matching 5-on-5.5-inch idler hub lets buyers focus on a specific wheel bolt pattern when replacing an axle end. The description calls it a complete replacement kit and notes uses on utility, equipment, and enclosed trailers. The listing does not provide detailed spindle dimensions or a component-by-component inventory, so those specifics remain a limit when planning the repair.

Skip it if you need a listed 5-on-4.5-inch pattern and detailed bearing hardware; TXINGMENG’s 3500 lb Trailer Stub Axle Kit specifies both.

This kit is aimed at a light-duty trailer owner replacing one damaged axle end where a 5-on-5.5-inch hub pattern and #84 spindle configuration apply. The available description is brief, so detailed dimensions are not provided.

Listed on Amazon as: STUB-84-555-H 3500lb Stub Axle End Kit 5 on 5.5 Idler Hub #84 Spindle

#10 · Highest Listed Capacity

10. ypjxPBGVM 7,000 lb Torsion

Best for: 7000-pound torsion axle replacements.

Why it ranks #10: The stated 7,000 lb rating is the highest listed, but the sparse details give an 8-165.1 PCD and little information about fitment or included parts.

A 7,000-pound rating paired with an 8-165.1 PCD gives this rubber torsion stub axle a clearly stated load and wheel-mounting specification. It is presented as a trailer replacement component, so buyers can use those two details to assess whether it matches their existing system.

The rubber torsion construction is described as replicating the functional suspension characteristics of existing equipment, connecting the replacement to a torsional setup rather than a conventional spindle description. Its 8-165.1 PCD identifies the specified bolt configuration for wheel mounting, while the 7,000-pound rating defines the listed capacity. The application is trailer replacement, but the supplied details do not provide dimensions or included hub components, so installation planning rests on matching the stated pattern and system requirements.

Skip it if you need stated spindle dimensions or included hub components; this listing supplies neither in its provided specifications.

Consider this replacement component when a trailer’s torsion system calls for the stated 7,000-pound rating and 8-165.1 PCD. Its listed details are limited, so installation planning should account for the missing dimensional and hub-component information.

Listed on Amazon as: 7000lbs Rubber Torsion Stub Axle PCD 8-165.1