Maintenance Intervals And Specifications
Torque
Feature Code Front Suspension Capacity and Type
lbf - ft N • m
3ACP 12,000-lb Capacity, Multileaf , Shackle Type 260-300 353-407
3ACR 18,000-lb Capacity, Multileaf , Shackle Type 260-300 353-407
20,000-lb Capacity, Multileaf , Shackle Type 260-300 353-4073ACS
20,000-lb Capacity, Multileaf , Shackle Type, (with SBA and CAT Engine) 325-400 441-542
10,000-lb Capacity, Parabolic Taper Leaf 260-300 353-4073ADB
10,000-lb to 20,000-lb Capacity, Parabolic Taper Leaf, (with SBA and CAT Engine) 325-400 441-542
3ADC 12,000-lb Capacity, Parabolic Taper Leaf 260-300 353-407
3ADD 14,000-lb Capacity, Parabolic Taper Leaf 260-300 353-407
3ADE 16,000-lb Capacity, Parabolic Taper Leaf 260-300 353-407
3ADG 18,000-lb Capacity, Parabolic Taper Leaf 260-300 353-407
20,000-lb Capacity, Parabolic Taper Leaf 260-300 353-4073AGA
20,000-lb Capacity, Parabolic Taper Leaf, (with Set Back Axle and CAT Engine) 325-400 441-542
3AGU 14,000-lb Capacity, Multileaf , Shackle Type 260-300 353-407
3AHL 22,000-lb Capacity, Parabolic Taper Leaf 325-400 441-542
3WAJ Auxiliary Air Bag Springs (Right Side) 260-300 353-407
3WAK Auxiliary Air Bag Springs (Left Side) 260-300 353-407
For vehicles with Hendrickson suspension (14UHK only), the
torque value of the four suspension saddle bolts, if applied at the
head, are 500 ft-lbs.(678 N•m). If applied at the nut, the torque
value is 400 ft-lbs.(543 N•m).
See Lubrication and Maintenance Interval Chart, Axle U-bolts –
Retorque, for maintenance retorque interval.
222 3879634R1