Suspension: Specifications

OPERATIONAL SPECIFICATIONS
Curb Ride Height - Single Rear Wheels (SRW)
Front - RH 106 mm (4.2 inch)
Front - LH 118 mm (4.6 inch)
Rear - Standard Suspension 157-219 mm (6.2-8.6 inch)
Rear - Heavy Duty Suspension 144-206 mm (5.7-8.1 inch)
Curb Ride Height - Dual Rear Wheels (DRW)
Front - RH 106 mm (4.2 inch)
Front - LH 118 mm (4.6 inch)
Rear - Ford Axle With Standard Suspension 164-226 mm (6.5-8.9 inch)
Rear - Ford Axle With Heavy Duty Suspension 151-213 mm (5.9-8.9 inch)
Rear - Dana Axle With Standard Suspension 164-226 mm (6.5-8.9 inch)
Rear - Dana Axle With Heavy Duty Suspension 151-213 mm (5.9-8.4 inch)
Curb Ride Height - Chassis Cab, SRW
Front - RH 106 mm (4.2 inch)
Front - LH 118 mm (4.6 inch)
Rear - Standard Suspension 142-204 mm (5.6-8.0 inch)
Curb Ride Height - Chassis Cab, DRW
Front - RH 106 mm (4.2 inch)
Front - LH 118 mm (4.6 inch)
Rear - Ford Axle With Standard Suspension 148-210 mm (5.8-8.3 inch)
Rear - Dana Axle With Standard Suspension 148-210 mm (5.8-8.3 inch)
Vehicle Lean (Side-to-Side Height Differences),
Rear - Max. 19 mm (0.75 inch)

TORQUE SPECIFICATIONS
U-Bolts, Bolt & Nuts
1/4-Inch Diameter - Grade 5 12 Nm (9 ft. lbs.)
5/16-Inch Diameter - Grade 5 20 Nm (15 ft. lbs.)
3/8-Inch Diameter - Grade 8 50 Nm (37 ft. lbs.)
7/16-Inch Diameter - Grade 8 82 Nm (61 ft. lbs.)
1/2-Inch Diameter - Grade 8 122 Nm (90 ft. lbs.)
9/16-Inch Diameter - Grade 8 176 Nm (130 ft. lbs.)
5/8-Inch Diameter - Grade 8 240 Nm (178 ft. lbs.)
3/4-Inch Diameter - Grade 8 350 Nm (259 ft. lbs.)
7/8-Inch Diameter - Grade 8 570 Nm (420 ft. lbs.)
1-Inch Diameter - Grade 5 860 Nm (634 ft. lbs.)