Spicer Drive Axles Application Guidelines - Manual (Page 60)

AXAG-0200 June 2009 60
40,000 lb. Housing Structural Ratings (cont’d)
Gross Axle Ratings Based on the Use of Outset Single Wheels (lb.)
Housing Box Section (in.) 75 in Maximum Track Width 80 in Maximum Track Width
Notes
5.24 x 4.61 x .38 34,000 Not Approved 3,5
5.24 x 4.61 x .43 36,000 34,000 3,5
Gross Axle Ratings Based on Site Travel Conditions Only (lb.)
(See Note 4)
Housing Box Section (in.)
73 in.Track
(Standard)
75 in.Track
(Single Wheels)
80 in. Track
(Single Wheels)
Notes
5.24 x 4.61 x .38 54,000 34,000 Not Approved 3
5.24 x 4.61 x .43 58,000 48,000 45,000 3
Notes:
1. Nominal gross axle weight rating is based on minimum axle mounting centers of 38 in. and a maximum
track width of 73 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. For detailed track versus allowable gross axle weight rating information when outset single wheels are
used, see 40,000 lb. Tandem Rating Chart .
6. The only wide track version of the DST40-(P) offered is 78 inches. The forward-rear housing has a .50 in
wall thickness while the rear-rear housing is .56 in thick.
7. A minimum wall thickness of .433 in (11 mm) is required when a suspension rated at 46,000 lb. is used
with any 40,000 lb. tandem .