Looking for a reliable 5200 lb trailer axle kit that fits your trailer’s hub face, spring center, and bolt pattern? This guide highlights five highly compatible kits, explains who they’re best for, and shows how to choose the right running gear. Each option is aimed at owners of utility, flatbed, landscape, or dump trailers needing robust electric brake or non-brake axles with complete suspension running gear. Use the quick buyer’s table below to compare key specs at a glance.
| Product | Hub Face | Spring Center | Bolt Pattern | Brake Type | Best For |
|---|---|---|---|---|---|
| Salo Trailer Parts 5200 lb Tandem Trailer Axle Kit | 95 in | 80 in | 6 on 5.5 | Electric Brake Axles | Wider, heavy-duty tandem setups |
| Rockwell American 5,200 lb Tandem Trailer Axle Kit | 95 in | 80 in | 6 on 5.5 | Electric Brakes | Rugged, ready-to-install tandem kits |
| Johnson Trailer Parts 5200 lb Tandem Kit | 94 in | 80 in | 6 on 5.5 | Electric Brakes | Versatile, good for lighter-width frames |
| 5200 lb TK Single Axle Kit with Suspension (6 Lug, 89″ Hubface) | 89 in | 74 in | 6 on 5.5 | With kit suspension | Compact, fit-for-purpose single-axle upgrades |
| 5200 lb TK Single Axle Kit with Suspension (6 Lug, 73″ Hubface) | 73 in | 58 in | 6 on 5.5 | With kit suspension | Smaller trailers needing complete kit |
5200 Lb TK Single Axle Light Duty Trailer Kit with Suspension (6 Lug, 73″ Hubface, 58″ Spring Center)
This kit is designed for smaller 73-inch hubface applications with a tight 58-inch spring center. It includes a 5.2k idler axle, two 2.5k leaf springs, and all necessary mounting hardware. Best for light-duty single-axle upgrades on compact trailers that still require reliable payload support. Choose this if your trailer is narrow and you need a pre-packaged, OEM-grade solution that’s easy to install and aligns with 6×5.5 bolt patterns.
Who it’s best for: owners upgrading smaller trailers or replacement kits for short wheelbase builds that require a compact 6-lug setup. Why selected: all essential running gear is bundled for correct fitment and straightforward installation. Limitation: 73″ hubface may not fit wider trailer frames without rail modifications.
5200 Lb TK Single Axle Kit with Suspension (89″ Hubface, 74″ Spring Center)
This option matches a wider 89-inch hubface and a 74-inch spring center, offering a robust single-axle upgrade for mid-to-large trailers. It includes the same core components as the smaller variant: a 5.2k idler axle, double-eye springs, U-bolt kits, and a hanger kit. Best for trailers with broader frames that still need a complete, OEM-grade running gear assembly. Choose this if you need extended fitment and strong mounting hardware. Limitation: wider hubface may require frame width confirmation before purchase.
Salo Trailer Parts 5200 Lb Tandem Trailer Axle Kit, 95 in Hub Face
Designed for wider tandem configurations, this kit features a 95-inch hub face and an 80-inch spring center with a 6 on 5.5 bolt pattern. It’s suitable for 82-inch wide trailer frames and includes electric brakes, a complete running gear package, and radial tires mounted on six-lug wheels. Best for heavy-duty trailers requiring robust braking and a full suspension system. Limitation: the extended hub face may require frame widening or precise mounting space checks.
Salo Trailer Parts 5200 Lb Axle Kit, 89 in Hub Face
This kit fits trailers with an 89-inch hub face and a 74-inch spring center, using 6 on 5.5 bolt pattern and offering electric brakes. It’s paired with a suspension-ready running gear kit to simplify installation on 76-inch wide frames. Best for mid-width trailers needing balanced payload capacity with ready-to-mount components. Limitation: not ideal for narrower trailers unless frame clearance is verified.
Rockwell American 5,200 Lb Tandem Axle Kit – Electric Brakes
Includes two 5,200 lb electric brake axles with a full suspension running gear kit and a 95” hub face, 80” spring center, plus a 6 on 5.5 bolt pattern. This is a full tandem kit suitable for heavier utility, flatbed, or landscape trailers needing reliable braking and robust mounting hardware. Best for users who want a complete, ready-to-install tandem setup. Caution: ensure frame width and mounting space align with 95” hub face.
Trailer Axle Electric Brake Kit, 6-Hole 5.5″ Bolt Circle
This kit comprises a brake drum assembly with 12″ x 2″ self-adjusting electric brakes for 5200-6000 lb axles, including multiple hardware pieces. Best for users upgrading to electric brakes on 6 on 5.5 bolt pattern setups. Limitation: designed for brake components rather than a full axle and suspension kit—verify compatibility with your axle tube length and frame.
Johnson Trailer Parts 5200 Lb Tandem Axle Kit
This tandem axle kit uses a 94-inch hub face and an 80-inch spring center with 6 on 5.5 bolt pattern and electric brakes. It includes a full running gear kit with leaf springs, U-bolts, hangers, and ST225/75R15 radial tires on six-lug wheels. Best for versatile, mid-to-wide frame trailers needing a complete upgrade with easy maintenance features. Limitation: 94” hub face requires careful frame measurement before ordering.
Youxmoto 4pcs 5 Leaf Springs for 5200lb-6000lb Axle Suspension Kit
This replacement leaf springs kit is designed for 5,200-6,000 lb tandem axles, featuring 4 x 5-leaf springs, U-bolt kit, and hanger components. Best for DIY restorations or upgrades where you already have compatible axles and need reliable spring packs. Choose this if you want direct replacement parts. Limitation: does not include the axle or brakes itself, just suspension components.
Buying Guide
What matters most when selecting a 5200 lb trailer axle kit? Consider axle configuration (single vs tandem), hub face and spring center measurements, and the bolt pattern compatibility with your wheels. Decide between electric brakes or non-brake axles based on braking needs and maintenance preferences. For frame compatibility, verify that hub face, spring center, and overall length align with your trailer body width and mounting points. If you need a complete, install-ready package, choose a running gear kit with springs, U-bolts, hangers, and wheels. For upgrades on smaller frames, prefer compact hub faces and shorter spring centers that fit within existing rails. Budgeting for maintenance access, grease zerk locations, and serviceability also helps prevent long-term issues.
FAQ
- What is hub face? A: The distance across the axle where the hub ends attach to wheels; larger hub faces fit wider trailer frames.
- Do these kits include brakes? A: Some kits include electric brake axles; others are non-brake or require separate brake components.
- What does “spring center” mean? A: The distance between the centers of the suspension springs; it impacts fit on trailer rails.
- Can I mix parts from different kits? A: It’s best to use components designed to work together within a labeled running gear kit for fit and safety.
- How do I know if my trailer needs a single or tandem axle kit? A: Check the trailer’s width, weight rating, and current axle configuration to determine the appropriate setup.
- Are these kits street-legal? A: Braking and lighting systems must meet local regulations; verify compliance after installation.