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Ridewell RSS-233 20K Self-Steering Truck Lift Axle Suspension - Bolt-On - Drum Brake - 2332001

Ridewell RSS-233 20K Self-Steering Truck Lift Axle Suspension - Bolt-On - Drum Brake - 2332001

Regular price $7,691.04 USD
Regular price $0.00 USD Sale price $7,691.04 USD
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The Ridewell RSS-233 20K is a self-steering, liftable auxiliary air suspension designed for truck applications requiring increased load capacity and improved maneuverability. This complete suspension system features bolt-on installation, drum brake compatibility, and adjustable ride height configurations.

Key Features

  • Self-steering design intended for forward travel operation
  • Liftable auxiliary axle suspension for load management
  • Bolt-on hanger attachment style
  • Carbon steel hanger construction
  • Designed for drum brake systems
  • Huck fasteners used for maintenance-free pivot joints
  • Adjustable ride height through spacer configuration
  • Compatible with lift-in-reverse and steer lock air control systems (optional)
  • Designed for single wheel applications
  • Crossmember required within 6 inches of hanger leading or trailing edge
  • Re-torque of fasteners required after first 6,000 miles of operation

Technical Specifications

Model RSS-233
Application Lift and Steer Axle – Truck
Suspension Type Auxiliary Air Suspension
Steerability Self-Steering
Capacity 20000 lbs.
Ride Height Range 8" to 15"
Frame Width 34"
HF to HF 89"
Brake Type Drum
Brake System 16.5 x 6.0

Torque Specifications

SIZE TORQUE (FT-LB) (N·m)
.375-16NC 25 34
.75-16NF 50 68
.625-11NC 160 217
.75-10NC 160 217
.875-14NF 500 678
.50-13NC 25 34
.50-20NF 25 34

Ride Height / Travel

Ride Height No Spacer
UP
No Spacer
DOWN
2" Spacer
UP
2" Spacer
DOWN
8.00 4.5 8.0
8.50 5.0 7.5
9.00 5.5 7.0
9.50 6.0 6.5
10.0 6.5 6.0 4.5 8.0
10.50 7.0 5.5 5.0 7.5
11.00 7.5 5.0 5.5 7.0
11.50 8.0 4.5 6.0 6.5
12.00 8.5 4.0 6.5 6.0
12.50 9.0 3.5 7.0 5.5
13.00 9.5 3.0 7.5 5.0
13.50 8.0 4.5
14.00 8.5 4.0
14.50 9.0 3.5
15.00 9.5 3.0

Included Components (Bill of Materials)

ITEM PART NO. DESCRIPTION QTY
1003B14451G A/SPG TRIPLE CONVOLUTE 2
1003586946C A/SPG DOUBLE CONVOLUTE 2
1120043 BUSH 2.140x1.428x3.300L 8
1130051 WHIZ-LOCK FL SCR 3/8-16 .75LG 4
1137511B005 HWHTS 5/16 18NC .5"LG 4
1140018 HHCS 5/8" 11NC 1-3/4"L FLG GR8 8
1140056 HHCS 7/8" 14NF 7"L GR8 YELLOW ZINC 4
1150011 L'NUT 3/4" 16NF GR2 NYL ZN PLT 4
1150052 L'NUT 7/8" 14NF TP-LK Gr C PO 4
1157048B108 L'NUT 5/8" 11NC OVAL FLG GR8(G) 8
1160026 SHIM WASH .25x3.25x1.50 233 28
1160868B100 WASH 7/8" FLAT ASTM F436 ZINC PLATE 8
1230059 PLUG 1/4" MPT HEX SOCKET 2
1640260 AX 233 20k TRK 5.0x65.5 M.KP 1
3170120 HGR ASY LH 233-20k 1
3170121 HGR ASY RH 233-20k 1
5050022 T'ROD SUB-ASY LH UP 233-20K 1
5050023 T'ROD SUB-ASY RH UP 233-20K 1
5050024 T'ROD SUB-ASY LH LOW 233-20K 1
5050025 T'ROD SUB-ASY RH LOW 233-20K 1
8003388 HGR LOCATOR FLG - 233 2
8170023 X-CHNL 233-20k 1
9090082 SLV 1.44"ODx.938"IDx4.111"LG 4
9090083 SLV 1.44"ODx.938"IDx4.861"LG 4
3450220 A/SPG MTG BRKT 233-20k 2
1130060 HUCK BLT 7/8" 4.75-5.12 GL GR8 4
1150065 HUCK COLLAR 7/8" BOBTAIL 4

Installation Notes

  • Frame crossmember required within 6 inches of hanger leading or trailing edge
  • Do not lower auxiliary axle while vehicle is moving above 10 mph
  • Verify wheel toe-in between 1/32" and 3/32"
  • Re-torque all suspension fasteners after first 6,000 miles
  • Reduce air spring pressure below 10 PSI when lowering axle on unloaded vehicle

Maintenance Notes

  • Daily inspection for loose or missing fasteners
  • Torque all fasteners at 6,000-mile intervals
  • Inspect pivot bushings and wear washers regularly
  • Lubricate brake cam, slack adjuster, and kingpin thrust bearings per service intervals
  • Check air system for leaks and drain moisture from air reservoirs

Warranty Notes

  • Non-transferable warranty applies to United States and Canada only
  • Warranty covers defects in material and workmanship
  • Suspension must be installed, maintained, and operated within rated capacity
  • All warranty work requires prior written approval from Ridewell

Add-On Products (Sold Separately)

  • 2" Air Spring Spacer Kit – 233-20K
  • Lift Axle Control Module (LACM)
  • Pressure Protection Valve (PPV)
  • Preplumbed Air Tank Integration Kits
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