Spicer Drive Axles Application Guidelines - Manual (Page 51)

AXAG-0200 June 2009 51
21,000 lb. Housing Structural Ratings
Housing Dimensions (Standard Track Width)
Drive Axle Model
(Nominal GAWR
(See Note 1)
- 21,000 lb.)
Housing Box Section
(H x W x T)
Spindle Diameters
(Inner/Outer)
Spindle Type
21060S, S21-170 5.24 x 4.61 x .43 3.750 / 3.250
R
21065T
21065P
5.24 x 4.61 x .38 3.750 / 3.250
Gross Axle Ratings Based on the Use of Outset Single Wheels (lb.)
Housing Box Section (in.) 78 in. Maximum Track Width Notes
5.24 x 4.61 x .38 Not Approved 2
5.24 x 4.61 x .43 Not Approved 2
Gross Axle Rating Based on Site Travel Conditions Only (lb.)
(See Note 3)
Housing Box Section (in.)
73 in. Track
(Standard)
Notes
5.24 x 4.61 x .38 26,000 2
5.24 x 4.61 x .43 29,000 2
Notes:
1. Nominal gross axle weight rating is based on minimum axle mounting centers of 38 in. and a maximum
track width of 73 in.
2. The 21060, 21065, and S21-170 are not approved with single outset wheels .
3. Site Travel : 5 miles per hour maximum speed with liftable axles raised. This condition should not exceed
5% of the total operating miles of the vehicle.