Tridem structural ratings – Spicer Drive Axles Application Guidelines User Manual
Page 68
AXAG-0200 June 2009 68
Housing Dimensions
Drive Axle Model
(H x W x T)
(Inner/Outer)
Notes Spindle
Type
Standard Track
Wide Track
T60-174
5.24 x 4.61 x .50
5.24 x 4.61 x .50
3.750 / 3.250
5
R
TD583-P
5.24 x 4.61 x .56
5.24 x 4.61 x. 56
3.750 / 3.250
T69-170HP
5.24 x 4.61 x .63
5.24 x 4.61 x .63
3.750 / 3.250
T78-190P, T78-590P
5.91 x 5.31 x .63
5.91 x 5.31 x .63
3.750 / 3.250
Gross Axle Ratings Based on the Use of Wide Track Housings (lb.)
(See Note 1)
78 in.Track (Standard)
Notes
5.24 x 4.61 x .50
54,000
2
5.24 x 4.61 x .56
58,000
2
5.24 x 4.61 x .63
58,000
2
5.91 x 5.31 x .63
58,000
2
Gross Axle Ratings Based on the Use of Outset Single Wheels (lb.)
Notes
5.24 x 4.61 x .50
54,000
50,000
2,3
5.24 x 4.61 x .56
58,000
58,000
2,3
5.24 x 4.61 x .63
58,000
58,000
2,3
5.91 x 5.31 x .63
58,000
58,000
2,3
Gross Axle Rating Based on Site Travel Conditions Only (lb.)
(See Note 4)
73 in.Track
(Standard)
78 in.Track
(Single Wheels)
80 in. Track
(Single Wheels)
Notes
5.24 x 4.61 x .50
68,000
65,000
60,000
2
5.24 x 4.61 x .56
70,000
70,000
70,000
2
5.24 x 4.61 x .63
70,000
70,000
70,000
2
5.91 x 5.31 x .63
70,000
70,000
70,000
2
Notes:
are nominal and may vary with wheel equipment. 72-73 inches is the
of a
with standard housings.
2. Maximum allowable gross axle weight ratings vary with ratio. See charts on next page for GAWR. Refer
to the specific vocation guideline section for additional information regarding maximum gross weight.
3. All ratings are for standard
housings. Track increase over standard is produced by wheel
4.
: 5 miles per hour maximum speed with
raised. This condition should not exceed
5% of the total operating miles of the vehicle.
5. The forward rear wide track housing has a .63 in. wall thickness while the two rear most wide track
housings are .50 in. thick.