Spicer Drive Axles Application Guidelines - Manual (Page 56)

AXAG-0200 June 2009 56
30,000 lb. Housing Structural Ratings
Housing Dimensions
Drive Axle Model
(Nominal GAWR
(See Note 1)
- 30,000 lb.)
Housing Box Section
(H x W x T)
Spindle Diameters
(Inner/Outer)
Spindle
Type
Standard Track Wide Track
S30-190, S30-590 5.91 x 5.31 x .63 5.91 x 5.31 x .63 4.125 / 3.500 W
Gross Axle Ratings Based on the Use of Wide Track Housings (lb.)
Housing Box Section (in.) 72.5 in. Maximum Track Width 76 in. Maximum Track Width Notes
5.91 x 5.31 x .63 30,000 29,000 2
Gross Axle Ratings Based on the Use of Outset Single Wheels (lb.)
(See Note 5)
Housing Box Section (in.) 78 in. Maximum Track Width 80 in. Maximum Track Width Notes
5.91 x 5.31 x .63 26,000 24,000 3
Gross Axle Rating Based on Site Travel Conditions Only (lb.)
(See Note 4)
Housing Box Section (in.)
74 in. Track
(Standard)
78 in. Track
(Single Wheels)
80 in. Track
(Single Wheels)
Notes
5.91 x 5.31 x .63 35,000 32,000 31,000 3
Notes:
1. Nominal gross axle weight rating is based on minimum axle mounting centers of 38 in. and a maximum
track width of 74 in.
2. Track widths are nominal and may vary with wheel equipment.
3. All ratings are for standard track width housings. Track increase over standard is produced by wheel
outset .
4. 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.
5. The usage of single tires on single drive axles may be prohibited by the tire manufacturer. The tire
manufacturer may also limit the rating of the tire based on the load per tire and the pressure, which could
be less than the approved axle rating.