Spicer Single Drive Axles Service Manual: 34DS, 34RS, 38DS, 38RS, DS340, RS340, DS380, RS380, DS400, RS400, DS3 - Manual (Page 38)

Fastener Tightening Specifications
35
Dana Single Reduction Tandem Models
D340, 380(P), 400-P D341, 381 (P), 401-P, 402(P), 403(P), 451-P
• Correct tightening torque values are extremely important to assure long Dana Axle life and dependable performance. Un-
der-tightening of attaching parts is just as harmful as over-tightening.
• Exact compliance with recommended torque values will assure the best results.
• The data includes fastener size, grade and torque tightening values. Axle models are included to pinpoint identification
of fasteners for your particular axle.
• To determine bolt or cap screw grade, check for designation stamped on bolt head (see illustration).
Note 1: Metric Nut Used on Axles Produced After
1/3/95, Ref. Chart PG 56
Bolt head markings
for grade identification
Grade 5 Grade 8