Spicer Single Drive Axles Service Manual: S170, S190, S590 - Manual (Page 5)

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General Information
General Information
Introduction
Dana Commercial Vehicle Systems Division, presents this
publication to aid in maintenance and overhaul of Spicer
tandem drive axles.
Instructions contained cover the models listed. Their design is
common, with differences in load capacity. Capacity variations
are achieved by combining basic differential carrier assemblies
with different axle housings, axle shafts and wheel
equipment.
Model Listing
Model Information
The following models are included in this publication:
Heavy Singles
S21-170 S26-190
S21-170D S26-190D
S23-170 S30-590
S23-170D S30-190
S23-190 S30-190D
S23-190D S30-190E
S25-170 S35-590
S26-170 - - -
S 23-1 7 0 D
D - Dual Drive Forward Axle
with Inter-Axle Differential
G - Single Rear Axle (Global)
R - Dual Drive Rear Axle
S - Single Rear Axle (N.A.)
Gear Type
1 - Standard Single Reduction
2 - Dual Range
3 - Planetary Double Reduction
4 - Open
5 - Helical Reduction
Options
C - Controlled Traction
D - Differential Lock
E - High Entry Single
H - Heavy Wall
I - Integral Brake
L - Limited-Slip
P - Lube Pump
R - Retarder Ready
W - Wide-Track
Design Level
Head Assembly Series
GAW Rating
x 1000 lbs. (N. America) "-"
x 1 Tn. (Europe) "."