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Ridewell RAR-240W Trailer Air Ride Suspension - Yoke Mount - Non-Steerable - 25,000 lb Capacity - 2400021
Ridewell RAR-240W Trailer Air Ride Suspension - Yoke Mount - Non-Steerable - 25,000 lb Capacity - 2400021
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$2,172.41 USD
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Ridewell RAR-240W is a yoke-mount, non-steerable trailer air-ride suspension designed for durability and consistent ride performance. The system uses a bonded yoke bushing and air springs to support trailer axles while maintaining controlled articulation and load distribution.
Key Features
- Yoke-mount trailer air-ride suspension
- Non-steerable configuration
- 25,000 lb suspension capacity rating
- Overslung suspension design
- Clamp-in bonded yoke bushing for durability
- Eccentric pivot bolt for axle alignment adjustment
- Compatible with drum and disc brake axles
- Weld-on or bolt-on mounting options
Technical Specifications
| Model | RAR-240W-1-9-25-USW |
| Application | Trailer |
| Suspension Type | Air Ride, Yoke Mount, Overslung |
| Steerability | Non-steerable |
| Capacity | 25,000 lbs |
| Ride Height Range | 8.0" to 9.5" |
Torque Specifications
| Fastener | Torque Value |
|---|---|
| Pivot Bolt / Locknut, 1-1/4"-7NC | 1000 ft-lb (1356 N-m) |
| Shock Absorber Bolt / Locknut, 3/4"-10NC | 200 ft-lb (271 N-m) |
| Air Spring Upper Nut, 3/4"-16NF | 50 ft-lb (68 N-m) |
| Air Spring Lower Bolt, 1/2"-13NC | 25 ft-lb (34 N-m) |
Ride Height / Travel
| Mounting Height | Up Travel | Down Travel | Pivot to Axle |
|---|---|---|---|
| 8.0" | 2.5" | 6.5" | 19.03" |
| 8.5" | 3.0" | 6.0" | 19.03" |
| 9.0" | 3.5" | 5.5" | 19.01" |
| 9.5" | 4.0" | 5.0" | 18.97" |
Included Components (Bill of Materials)
| Item | Qty | Part Number | Description |
|---|---|---|---|
| 1 | 2 | 1001R12607G | Air Spring 1R12-607 |
| 2 | 2 | 1137694B001 | Eccentric Pivot Bolt, Forged, 10.75" |
| 3 | 6 | 1145383B105 | HHCS 1/2"-13NC x 1-1/4", Grade 5, Zinc Plated |
| 4 | 2 | 1147698B105 | HHCS 3/4"-10NC x 3-1/4", Grade 5, Zinc Plated |
| 5 | 2 | 1150033 | Locknut 1-1/4"-7UNC, Heavy |
| 6 | 2 | 1150558B102 | Nut 3/4"-16NF, Grade 2 |
| 7 | 4 | 1150709B105 | Locknut 3/4"-10NC Oval, Waxed |
| 8 | 6 | 1160556B100 | Lock Washer 1/2", Split, Zinc Plated |
| 9 | 4 | 1167680B000 | Wear Washer, UHMW-PE, Black |
| 10 | 2 | 1270563B003 | Shock Absorber Assembly, 6" |
| 11 | 1 | 4000010 | Shock Arm / Tube Assembly, LH |
| 11 | 1 | 4000011 | Shock Arm / Tube Assembly, RH |
| 12 | 1 | 4280158 | Beam Assembly, LH |
| 12 | 1 | 4280159 | Beam Assembly, RH |
| 13 | 2 | 5450022 | Bonded Yoke Bushing Assembly |
| 14 | 2 | 7000407 | Air Spring Mounting Plate |
| 15 | 2 | 9097716B003 | Outer Bushing Sleeve |
| 16 | 2 | 9003092B000 | Anti-Turn Washer |
| 17 | 2 | 1140022 | HHCS 3/4"-10NC x 11", Grade 8, Zinc Plated |
Installation Notes
- Axle alignment must be performed in accordance with SAE or TMC recommended standards.
- Pivot nut must be torqued only after suspension is set to specified mounting height to prevent bushing preload.
- Anti-turn washers must be welded after axle alignment is complete.
- Suspension fasteners must be re-torqued after the first 6,000 miles of operation.
- For axle-to-suspension welding, follow Ridewell Weld Process No. 1.
Maintenance Notes
- Daily: inspect tires, wheel ends, axle assemblies, suspension structure, and air system; drain air reservoirs.
- First 6,000 miles: torque suspension components and verify ride height.
- Every 12,000 miles: inspect air springs, air lines, and fittings; torque fasteners.
- Every 50,000 miles: torque suspension components (do not re-torque shear-type pivot bolts).
- Annually or 100,000 miles: inspect pivot bushings and wear washers; replace as necessary.
Warranty Notes
- Warranty applies only in the United States and Canada.
- Suspension systems are warranted to be free from defects in material and workmanship when properly installed, maintained, and operated within rated capacity.
- Warranty coverage is limited to repair or replacement of suspension parts.
- Warranty is non-transferable and excludes incidental or consequential damages.
Add-On Products (Sold Separately)
- Yoke-Mount Bushing Replacement Kit -- 6040011
- Shock Absorber Replacement Kit
- Height Control Valve and Linkage Kit
