Spicer Drive Axles Illustrated Parts List DSP40(P), DSP41(P), DDP40(P), DDP41(P),RSP40, RSP41, RDP40, RDP41, P20060, P22060 - Manual (Page 6)

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Model Identification
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
Roadranger representative.
D S P - 40 - (P)
Gearing
S – Single Reduction
D – Driver Controlled
Differential Lock
Optional Lube Pump
D – Tandem
Forward Axle
with Inter-Axle
Differential
R – Tandem
Rear Axle
P – Premium
GAW Rating x 1000 lbs.
P 20 060 S
GAW Rating x 1000 lbs.
P – Premium
Series
Options:
D - Differential Lock
L - Limited Slip
NS - No Spin
R - Retarder Ready
S - Single Reduction