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Ridewell RSS-233MMT 13.2K Self-Steering Truck Lift Axle Suspension - Weld-On - Disc Brake - 2339156

Ridewell RSS-233MMT 13.2K Self-Steering Truck Lift Axle Suspension - Weld-On - Disc Brake - 2339156

Regular price $8,393.48 USD
Regular price $0.00 USD Sale price $8,393.48 USD
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The Ridewell RSS-233MMT is a self-steering, liftable auxiliary air suspension engineered for trailer applications requiring improved maneuverability and controlled axle loading. This complete suspension assembly features weld-on hangers, disc brake compatibility, and a configurable ride height range.

Key Features

  • Self-steering auxiliary axle suspension for forward travel
  • Liftable axle design using air spring load control
  • Weld-on hanger attachment style
  • Carbon steel hanger construction
  • Disc brake axle configuration
  • Huck fasteners for maintenance-free pivot joints
  • Single wheel configuration
  • Suspension must be raised or locked during reverse travel
  • Compatible with lift-in-reverse and steer lock air control systems (optional)

Technical Specifications

Model RSS-233MMT
Application Lift and Steer Axle – Trailer
Suspension Type Auxiliary Air Suspension
Steerability Self-Steering
Capacity 13,200 lbs.
Ride Height Range 13.5 in. to 17.0 in.
Hub Face to Hub Face 93.25 in.
Brake Type Disc
Brake System ADB22X
Wrap No
Hanger Attachment Style Weld-On
Hanger Material Carbon Steel

Torque Specifications

Fastener Size Torque (ft-lb) Torque (N·m)
.375-16NC 25 34
.50-13NC 50 68
.75-10NC 160 217
.75-16NF 50 68

Ride Height / Travel

Ride Height Up Travel Down Travel
13.5 6.0 7.0
14.0 6.5 6.5
14.5 7.0 6.0
15.0 7.5 5.5
15.5 8.0 5.0
16.0 8.5 4.5
16.5 9.0 4.0
17.0 9.5 3.5

Included Components (Bill of Materials)

Part Number Description Qty
1000043 A/SPG SP 552584-KP10-118 2
1002B07548G A/SPG DOUBLE CONVOLUTE 2
1130051 WHIZ-LOCK FL SCR 3/8-16 .75LG 10
1130052 HUCK BLT 1/2" x .25/.62 GL GR8 8
1130053 HUCK BLT 3/4" 4.5 x 4.87 GL GR8 8
1140554B105 HHCS 1/2" 13NC 1" LG GR5 ZN 4
1150011 L'NUT 3/4" 16NF GR2 NYL ZN 2
1150058 HUCK COLLAR 1/2" BOBTAIL 8
1150059 HUCK COLLAR 3/4" BOBTAIL 8
1160033 WASH .188 x 2.625 x 1.35 233 13K 16
1167482B000 L'WASH 1/2 INT TOOTH 4
1640503 AX 233T 13K DB 5.0 x 70 34.0 FW ADB SHD 1
3170164 HGR ASY LH 233-MMT HD 1
3170165 HGR ASY RH 233-MMT HD 1
3450216 A/SPG MTG BRKT LH 233 MMT 1
3450217 A/SPG MTG BRKT RH 233 MMT 1
5050016 T'ROD SUB-ASY LH UP (233) 1
5050017 T'ROD SUB-ASY RH UP (233) 1
5050018 T'ROD SUB-ASY LH LWR (233) 1
5050019 T'ROD SUB-ASY RH LWR (233) 1
7002817 A/SPG SUP'T PLT 233CMT 2
8170022 X-CHNL 233T 13K 1
1120047 BUSH 2.020 x 1.314 x 3.325L 88D 8
9090079 SLV 1.31 OD x .813 ID x 4.111 LG 8

Installation Notes

  • Frame crossmember required within 6 inches of hanger leading or trailing edge
  • Additional crossmember required above upper air spring mounting plates
  • All welding must meet AWS specifications with minimum 70,000 psi tensile strength
  • Suspension must be raised or locked during reverse operation
  • Wheel toe-in must be set between 1/32" and 3/32"

Maintenance Notes

  • Re-torque all fasteners after first 6,000 miles of operation
  • Inspect bushings, torque rods, and wear washers at regular service intervals
  • Lubricate kingpin thrust bearings and steering components per service schedule
  • Inspect air springs for wear, cracking, or leakage
  • Check air system for leaks and drain moisture from air reservoirs

Warranty Notes

  • Warranty applies to Ridewell suspension components only
  • Coverage limited to defects in materials and workmanship
  • Suspension must be installed, maintained, and operated within rated capacity
  • Warranty is non-transferable and requires prior Ridewell approval

Add-On Products (Sold Separately)

  • Lift Axle Control Module (LACM)
  • Lift-In-Reverse Control System
  • Pressure Protection Valve (PPV)
  • Steer Lock Air Control Components
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