Spicer Tandem Drive Axle: DS_RS461, 462, 463, 521, 581, DT_RT_DP_RP461, 462, 463, 521, 581, 601, 651 - Manual (Page 7)

5
Using Model Designation to Identify Axle Components
• The Axle Model identification number contains information that is important to understand when purchasing service parts or new components.
The Model identification number provides important vehicle, capacity and application information and model features. Use this guideline to
understand your axle model Identification. If you need assistance, contact your Dana representative.
D S - 3 4 1 - P
G e a r i n g
C a p a c i t y ( x 1 0 0 0 )
D e s i g n L e v e l
L u b e P u m p
D - F o r w a r d T a n d e m A x l e
R - R e a r T a n d e m A x l e
S - S i n g l e R e d u c t i o n
T - D u a l R a n g e
P - D o u b l e R e d u c t i o n
C - C o n t r o l l e d T r a c t i o n
E x a m p l e :
D S = F o r w a r d T a n d e m / S i n g l e R e d u c t i o n
o r
R S = R e a r T a n d e m / S i n g l e R e d u c t i o n
E x a m p l e : 3 4 = 3 4 , 0 0 0
P = S t a n d a r d
( P ) = O p t i o n a l
Older Model Serial Numbers
• Units built before May 1987 were identified with a date coding system. Carrier assemblies produced after this date are assigned unique
serial numbers. Serial numbers are stamped into the carrier casting or contained on a metal tag attached to the carrier.
H 8 6 1 7 9 6 7 3 3
Producing Plant
Year produced
Unique number assigned to each axle produced
Day of year produced (1-365)
Model Identification
Introduction
M
od
el
In
de
nti
fic
ati
on