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308 R F 8 Wheel Quadsteer Running Gear Image

308RF (20 Ton)

8 Wheel Quadsteer Model

Road Flex Logo Improved Turning Icon
Capacity 40,000 lbs.
Spindle 3" Dia. C1045 Cold Rolled
Hubs 8 Stud 12,000 lbs.
Bearings Taper Roller 2.165 / 1.625 (Bore Siz Inner/Outer)
Front Axle 8 x 3.5 x .250 WALL
Rear Axle 8 x 4 x .250 WALL
Tongue Bracket Mounting 1-1/2" Bolt Bearings
Tongue Bolt 1-1/8" dia.
Tongue Latch Retractable Automatic Relock
Reach Poles 3" O.D. x .188 Wall Round Tube
Bolster Stakes 42.5" Fixed
Steering Automative Type
Tie Rod Ends Greasable Automotive Style Ball Joints
Wheel Base Adjustable
Height 30" on 11 x 22.5 Tires (From Ground to Top of Bunk)
Approx. Weight 2,115 lbs. (less rims and tires)
Optional Reach Lengths: 9', 11', 12', 14', 16', 18', 20', 22'
4 Wheel HD hydraulic disc brakes (remote) must use 22.5 rim**
2 Wheel HD hydraulic disc brakes (remote) must use 22.5 rim**
Electric brake actuator for hydraulic brakes
Safety chain (1/2" GR. 70)
Spring balancer for tongue consisting of spring adjustable bolt and two brackets
Double spring balancer
4" bolt on riser kit (other heights available)

**Hydraulic brake system also works on a brake pedal outlet kit.

Tire Size Tire Type Rim Size Track Width Capacity (LBS/Tire)
14L x 16.1 8 Ply 16.1 x W11C x 8 89" 3,860
14L x 16.1 12 Ply 16.1 x W11C x 8 89" 4,680
16.5 x 16.1 10 Ply 16.1 x W14C x 8 93" 5,200
19L x 16.1 10 Ply 16.1 x W16C x 8 95" 6,000
21.5 x 16.1 14 Ply 16.1 x W16C x 8 95" 7,850
11 x 22.5 Used Truck 22.5 x 8.25 x 8 HD 89" 8,000
11 x 22.5 New Recap 22.5 x 8.25 x 8 HD 89" 8,000
12 or 315 x 22.5 Used Truck 22.5 x 8.25 x 8 HD 89" 8,000
12 or 315 x 22.5 New Recap 22.5 x 8.25 x 8 HD 89" 8,000
305 x 22.5 Used Truck 22.5 x 8.25 x 8 HD 89" 8,000
305 x 22.5 New Recap 22.5 x 8.25 x 8 HD 89" 8,000
385 x 22.5 Used Truck 22.5 x 11.75 x 8 87" 10,000
385 x 22.5 New Recap 22.5 x 11.75 x 8 87" 10,000
425 x 22.5 Used Truck 22.5 x 11.75 x 8 87" 12,000
425 x 22.5 New Recap 22.5 x 11.75 x 8 87" 12,000
425 x 22.5 New Truck 22.5 x 11.75 x 8 87" 12,000
425 x 22.5 Used Truck 22.5 x 13 x 8 86" 12,000
425 x 22.5 New Recap 22.5 x 13 x 8 86" 12,000
425 x 22.5 New Truck 22.5 x 13 x 8 86" 12,000
445 x 22.5 Used Truck 22.5 x 13 x 8 86" 12,000
445/50 x 22.5 New Recap 22.5 x 13 x 8 86" 12,000
445 x 22.5 New Truck 22.5 x 13 x 8 86" 12,000
400 / 55 x 22.5 16 Ply 22.5 x 13 x 8 86" 7,820

* Working Capacity changes depending on tire option