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Ridewell RAR-240 Trailer Underslung Air Ride Suspension - Non-Steerable - 25,000 lb Capacity - 2400205

Ridewell RAR-240 Trailer Underslung Air Ride Suspension - Non-Steerable - 25,000 lb Capacity - 2400205

Regular price $2,021.81 USD
Regular price $0.00 USD Sale price $2,021.81 USD
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AXLE NOT INCLUDED


The Ridewell RAR-240-1-7-25-USW is a non-steerable underslung air ride suspension engineered for trailer applications requiring consistent ride height, controlled axle movement, and long-term durability. This system is designed to support heavy on-highway loads while maintaining proper alignment and ride quality.

Key Features

  • Underslung trailer air ride suspension
  • Non-steerable configuration
  • 25,000 lb suspension capacity rating
  • Eccentric pivot bolt axle alignment system
  • Solid pivot bushing with metal sleeve
  • Shock absorber equipped
  • Compatible with disc and drum brake axles

Technical Specifications

Model RAR-240-1-7-25-USW
Application Trailer
Suspension Type Air Ride, Underslung
Steerability Non-steerable
Capacity 25,000 lbs
Ride Height Range 6.0" to 7.5"

Torque Specifications

Fastener Torque Value
Pivot Bolt / Nut (Eccentric) 1000 ft-lb
Shock Bolt / Nut, 3/4"-10 200 ft-lb
Air Spring Nut, 3/4"-16 50 ft-lb
Air Spring Bolt, 1/2"-13 25 ft-lb

Ride Height / Travel

Mounting Height Up Travel Down Travel Pivot to Axle
6.0" 2.5" 4.5" 19.65"
6.5" 3.0" 4.0" 19.69"
7.0" 3.5" 3.5" 19.72"
7.5" 4.0" 3.0" 19.74"

Included Components (Bill of Materials)

Item Qty Part Number Description
1 2 1001R12692G Air Spring 1R12-692
2 2 1117680B075 Pivot Bushing Assembly, Solid w/ Metal Sleeve
3 2 1137694B000 Eccentric Pivot Bolt, Forged
4 2 1130090 Huck Bolt, 3/4"
5 6 1145383B105 HHCS 1/2"-13 x 1-1/4", Grade 5
6 4 1147698B105 HHCS 3/4"-10 x 3-1/4"
7 2 1150033 Locknut 1-1/4"-7 UNC
8 2 1150558B102 Nut 3/4"-16 NF
9 4 1150709B105 Locknut 3/4"-10 NC
10 2 1150059 Huck Collar 3/4"
11 6 1160556B100 Lock Washer 1/2"
12 2 1167680B000 Wear Washer, UHMW
13 2 1270563B003 Shock Absorber Assembly, 6"
14 1 3267738C100 Hanger Assembly, LH
14 1 3267738C200 Hanger Assembly, RH
15 1 4280258 Beam Assembly, LH
15 1 4280259 Beam Assembly, RH
16 2 7000407 Air Spring Mounting Plate
17 2 9003092B000 Anti-Turn Washer
18 2 8147716B000 Shock Bracket

Installation Notes

  • Axle alignment must be performed in accordance with SAE or TMC recommended standards.
  • Suspension must be set to the specified mounting height before torquing the pivot bolt.
  • Anti-turn washers must be welded after axle alignment is completed.
  • Suspension fasteners must be re-torqued at 6,000 miles and every 50,000 miles thereafter.
  • Axle-to-suspension welding must follow Ridewell Weld Process No. 1.

Maintenance Notes

  • Inspect suspension structure, air springs, shocks, and fasteners during routine service.
  • Inspect pivot bushings and wear washers annually or at 100,000 miles.
  • Do not re-torque shear-type pivot fasteners.

Warranty Notes

  • Ridewell suspensions are warranted to be free from defects in material and workmanship when properly installed and maintained.
  • Warranty coverage applies to the suspension only and is non-transferable.

Add-On Products (Sold Separately)

  • Bushing Replacement Kit -- 6040029
  • Height Control Valve Kits (Non-Dump, Pressure-Dump, or Zero-Pressure Dump)
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