Spicer Front and Rear Axle Catalog - Manual (Page 150)

X510-9
(7) See Ring Gear & Pinion Kits in XGI Catalog for ratio & tooth combinations.
(8) See Differential Case Assy Kits in XGI Catalog for spline data & ratios.
Axle Axle Kits Shaft & Joint Assy.
Differential
Bill of
Material
Diff.
Type
Ratio
Ring Gear &
Pinion Kit (7) Case Assy.
Kit (8)
Case Kit
Inner Parts
Kit
Right Hand
Shaft Assy.
Left Hand
Shaft Assy.
144
Bill of Material Table
1971 C25 Truck Chassis w/ Standard Wheel Base
603206-1 Standard 3.54 706660-1X 706664X 706668X 706671X 31494-1 31494-1
603206-2 Powr-Lok 3.54 706660-1X 706172X 706174X 706176X 31494-1 31494-1
603206-5 Standard 4.10 706660-3X 706664X 706668X 706671X 31494-1 31494-1
603206-6 Powr-Lok 4.10 706660-3X 706172X 706174X 706176X 31494-1 31494-1
603206-7 Standard 4.56 706660-4X 706665X 706669X 706671X 31494-1 31494-1
603206-8 Powr-Lok 4.56 706660-4X 706173X 706175X 706176X 31494-1 31494-1
1972 C25 Truck Chassis w/ Standard Wheel Base
603322-1 Standard 4.10 706660-3X 706664X 706668X 706671X 31494-1 31494-1
603322-2 Powr-Lok 4.10 706660-3X 706172X 706174X 706176X 31494-1 31494-1
603322-3 Standard 4.56 706660-4X 706665X 706669X 706671X 31494-1 31494-1
603322-4 Powr-Lok 4.56 706660-4X 706173X 706175X 706176X 31494-1 31494-1
603322-5 Standard 3.54 706660-1X 706664X 706668X 706671X 31494-1 31494-1
603322-6 Powr-Lok 3.54 706660-1X 706172X 706174X 706176X 31494-1 31494-1
1972 C25 Truck Chassis w/ Long Wheel Base
603320-1 Standard 3.54 706660-1X 706664X 706668X 706671X 31494-1 31494-1
603320-2 Powr-Lok 3.54 706660-1X 706172X 706174X 706176X 31494-1 31494-1
603320-5 Standard 4.10 706660-3X 706664X 706668X 706671X 31494-1 31494-1
603320-6 Powr-Lok 4.10 706660-3X 706172X 706174X 706176X 31494-1 31494-1
603320-7 Standard 4.56 706660-4X 706665X 706669X 706671X 31494-1 31494-1
603320-8 Powr-Lok 4.56 706660-4X 706173X 706175X 706176X 31494-1 31494-1
1973 G300 Van w/ 125" Wheel Base
603398-1 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
1974 G300 Van w/ 125" Wheel Base
603475-1 Trac-Lok 4.56 706660-4X 706035-4X 706667X 706460X 36453-1 36453-1
603475-2 Standard 4.56 706660-4X 706182X 706669X 706181X 36453-1 36453-1
603475-3 Trac-Lok 4.10 706660-3X 706034-4X 706666X 706460X 36453-1 36453-1
603475-4 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
1975 G300 Van w/ 125" Wheel Base
603560-1 Trac-Lok 4.56 706660-4X 706035-4X 706667X 706460X 36453-1 36453-1
603560-2 Standard 4.56 706660-4X 706182X 706669X 706181X 36453-1 36453-1
603560-3 Trac-Lok 4.10 706660-3X 706034-4X 706666X 706460X 36453-1 36453-1
603560-4 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
1976-77 G300 Van w/ 125" Wheel Base
603705-1 Standard 4.56 706660-4X 706182X 706669X 706181X 36453-1 36453-1
603705-2 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
1978 G300 Van w/ 125" Wheel Base
603884-1 Standard 4.56 706660-4X 706182X 706669X 706181X 36453-1 36453-1
603884-2 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
1975 G300 Van w/ 146" Wheel Base
603545-1 Trac-Lok 4.56 706660-4X 706035-4X 706667X 706460X 36453-1 36453-1
603545-2 Standard 4.56 706660-4X 706182X 706669X 706181X 36453-1 36453-1
603545-3 Trac-Lok 4.10 706660-3X 706034-4X 706666X 706460X 36453-1 36453-1
603545-4 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
1976-78 G300 Van w/ 146" Wheel Base
603702-1 Standard 4.56 706660-4X 706182X 706669X 706181X 36453-1 36453-1
603702-2 Standard 4.10 706660-3X 706180X 706668X 706181X 36453-1 36453-1
GMC / Chevrolet Model 60 Rear Axles