User guide

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.
99
Bill of Material Table
Ford Model 61 Rear Axles
61 Rear Axles
1974-75 F-250 3/4 Ton HD 4x2 Pick-up - Full-Float
603429-1 Standard 3.07 706661-2X 706664X 706668X 706671X 35467-3 35467-3
603429-2 Trac-Lok 3.07 706660-2X 706662X 706666X 706670X 35467-3 35467-3
603429-3 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
603429-4 Trac-Lok 3.31 706660-1X 706662X 706666X 706670X 35467-3 35467-3
603429-5 Standard 3.54 706661-1X 706399X 706668X 706671X 35467-3 35467-3
603429-7 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
1975 F-250 4x2 - Full-Float
603539-1 Standard 3.07 706661-2X 706664X 706668X 706671X 35467-3 35467-3
603539-6 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
1976-78 F-250 3/4 Ton HD 4x2 Pick-up - Full-Float
603714-1 Standard 3.07 706661-2X 706664X 706668X 706671X 35467-3 35467-3
603714-3 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
603714-6 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
1978 1/2 F-250 3/4 Ton HD 4x2 Pick-up - Full-Float
603899-1 Standard 3.07 706661-2X 706664X 706668X 706671X 35467-3 35467-3
603899-2 Standard 3.31 706661-1X 706399X 706668X 706671X 35467-3 35467-3
603899-3 Standard 3.31 706661-1X 706399X 706668X 706671X 35467-3 35467-3
1974-75 F-250 3/4 Ton HD 4x2 Other Than Pick-up - Full-Float
603438-1 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
603438-2 Trac-Lok 3.31 706661-1X 706662X 706666X 706670X 35467-3 35467-3
603438-3 Standard 3.54 706660-1X 706676X 706677X 706671X 35467-3 35467-3
603438-6 Standard 3.07 706661-2X 706664X 706668X 706671X 35467-3 35467-3
603438-5 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
1976 F-250 3/4 Ton HD 4x2 Other Than Pick-up - Full-Float
603540-1 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
603540-4 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
603540-5 Standard 3.07 706661-2X 706036X 706668X 706671X 35467-3 35467-3
1977 F-250 3/4 Ton HD 4x2 Other Than Pick-up - Full-Float
603713-4 Standard 3.31 706661-1X 706664X 706668X 706671X 35467-3 35467-3
603713-5 Standard 3.07 706661-2X 706036X 706668X 706671X 35467-3 35467-3
1975 1/2-78 E-250 3/4 Ton Van - Full-Float
603594-1 Standard 3.31 706661-5X 706664X 706668X 706671X 37560-3 37560-4
603594-2 Standard 3.31 706661-5X 706664X 706668X 706671X 37560-3 37560-4
603594-3 Standard 3.31 706661-5X 706664X 706668X 706671X 37560-3 37560-4
603594-4 Trac-Lok 3.31 706661-1X 706662X 706666X 706670X 37560-3 37560-4
603594-9 Standard 3.73 706660-2X 706676X 706677X 706671X 37560-3 37560-4
603594-11 Standard 3.73 706660-2X 706676X 706677X 706671X 37560-3 37560-4
603594-12 Trac-Lok 3.73 706661-3X 706663X 706667X 706670X 37560-3 37560-4
603594-15 Standard 4.10 706660-3X 706676X 706677X 706671X 37560-3 37560-4
603594-16 Trac-Lok 4.10 706661-9X 706663X 706667X 706670X 37560-3 37560-4
603594-17 Standard 3.73 706660-2X 706676X 706677X 706671X 37560-3 37560-4
603594-18 Standard 4.10 706660-3X 706676X 706677X 706671X 37560-3 37560-4
603594-19 Standard 3.07 706661-4X 706664X 706668X 706671X 37560-3 37560-4
603594-21 Trac-Lok 3.73 706661-3X 706663X 706667X 706670X 37560-3 37560-4
603594-22 Standard 3.31 706661-5X 706664X 706668X 706671X 37560-3 37560-4