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Unbalanced suspension can make your trailer lean or bounce unevenly. This hanger kit includes a pair of 13-1/8" long straight equalizers designed to level tandem axles so the load stays balanced front to back. The equalizers pivot smoothly on 7/8" diameter center holes with wet bolts for consistent travel, helping the suspension move together over bumps instead of fighting each other.
Light hangers can twist or stretch under a full load. The 4-1/2" tall front hangers in this kit are made from 1/4" thick steel, giving you the same strength found on commercial-grade setups. Combined with 3-1/2" tall center hangers and 5-1/4" tall rear hangers, they form a tough mounting foundation that stays true mile after mile on trailers using tandem 3,500-lb to 8,000-lb axles.
Getting the right clearance between the frame and the axles keeps your trailer tracking level and prevents bottoming out. This kit sets up about 5" of clearance, depending on axle size, so your suspension cycles freely while keeping the trailer’s stance balanced. The hanger heights and equalizer dimensions are matched to maintain correct geometry for smooth, predictable handling.
Instead of hunting for individual parts, everything needed to mount the 2" wide slipper springs to the frame is here, from bolts to locknuts. You get spring keeper bolts, shackle bolts, and 7/8" wet equalizer bolts to tie the suspension together securely. Components for mounting the axle to the springs are sold separately, but the core frame-side hardware arrives ready to go for a clean, complete install.
| Leaf Springs | A - Distance Between Front and Center Hangers | B - Distance Between Center and Rear Hangers | C - Distance Between U-Bolts | D - Distance Between Center of Axle and Trailer Frame | Axle Diameter |
|---|---|---|---|---|---|
| SP-230275 (803T3) SP-232275 (1203T3) SP-285275 (1403T3) | 30-1/2" | 30-1/2" | 36" | 5" | 3" (typical 5,200-lb to 7,200-lb trailer axle) |
| SP-160275 (E5226) | 31-1/2" | 31-1/2" | 37" | 5" | 3" (typical 5,200-lb to 7,200-lb trailer axle) |
| SP-161275 (E5115) | 33-3/4" | 33-3/4" | 39" | 5" | 3" (typical 5,200-lb to 7,200-lb trailer axle) |
Ratings & Reviews
Soar P.
6/7/2019
great
Do you have a question about this Trailer Suspension Part?
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Scott B.
3/31/2017
It is working great. Will be contacting you in the future for parts for another trailer. thank you