Spicer Tandem Drive Axles Service Manual J340-S, J380-S, J400-S, W460-S - Manual (Page 35)

Axle Flange to J340-S Only 5/8-18 5 Nylok 125-145 170-195
Wheel Hub Nuts*** J380-S thru W460-S 3/4-16 5 Nylok 217-240 290-325
Axle Flange to J340-S Only 5/8-18 8 Steel 160-185 220-250
Wheel Hub Nuts*** J380-S thru W460-S 3/4-16 8 Steel 275-320 370-435
Pinion
Nominal Dimension 3.976 in. 95.745 mm 4.2845 in. 108.826 mm
Bearing Preload (Torque Wrench) 10-30 Lb-in 1.1-3.4 N-m 10-30 Lb-in 1.1-3.4 N-m
Differential
Ring Gear to Pinion Backlash .010-.013 in. .25-.33 mm .012-.016 in. .30-.40 mm
Ring Gear Rivet Pressure 45-50 tons 41-45 tonnes 50 tons 45 tonnes
Power Divider
Inter-axle Differential End Play .001-.005 in. .03-.12 mm .001-.005 in. .03-.12 mm
Idler Gear Bearing End Play .001-.006 in. .03-.15 mm .001-.006 in. .03-.15 mm
Lubrication (Approx.**)
Forward Rear Axle 33.5 16.0 35.5 16.9
Rear Rear Axle 26.5 12.7 28.5 13.6
AXLE / TORQUE SPECIFICATIONS
Axle Specifications
Description
33
* Pinion bearing preload is established prior to installation of pinion seal.
** Capacity will vary depending on the housing angle in each vehicle. Fill to lower edge of fill hole in rear of axle housing as shown on Page 30.
§ Pour 1 Pint (0.5 Liter) of gear lube into filler hole in top of inter-axle differential cover.
U.S. Metric
J Models
NOTE: Refer to vehicle manufacturer specifications for axle Flange-Wheel Nut fastener torque.
*** Axle flange mounting nuts are either a grade 5 nylon (Nylok) locking nut, or a grade 8 steel locking nut. Torque to specification shown in
chart above.
Axle Specifications
Position Model Thread Grade Lb-Ft N-m
U.S. Metric
W Models