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308 R F 8 Wheel Quadsteer Running Gear Image
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308RF (20 Ton)

8 Wheel Quadsteer Model

Road Flex Logo Improved Turning Icon
Capacity (30 kph / 20 mph) 40,000 lb
Capacity (50 kph / 30 mph) 40,000 lb
Spindle 3" Dia. C1045 Cold Rolled
Hubs 8 Stud
Bearings - Bore Size (Inner/Outer) Taper Roller 2.165 / 1.625
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 From Ground to Top of Bunk 33" (11 x 22.5 Tires)
Approx. Weight 3,030 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**
Single spring balancer
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

Capacities listed are max tire capacity. See wagon specifications for maximum wagon capacity.