International Harvester Motor Truck Service Manual

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International Harvester Motor Truck Service Manual Rear Axle Specifications

taken from International Harvester service manual for Truck Models C-112 and C-120 (4X4) for U.S. Air Force, Navy & Marine Corps (140" wheelbase)

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IH Model IH Code	RA-5 / RA-6 14005 / 14006	RA-10 / RA-11 14010 / 14011	RA-15 14015	RA-20 14020	RA-25 / RA-26 14025 / 14026	RA-30 / RA-31 14030 / 14031	RA-32 / RA-33 14032 / 14033	RA-35 14035	RA-40 14040
Axle Type	Semi-Floating	Full Floating	Full Floating	Full Floating	Full Floating	Full Floating	Full Floating	Full Floating	Full Floating
Ratios	3.73 : 1 4.10 : 1 4.77 : 1	4.10 : 1 4.77 : 1 5.13 : 1	4.300 : 1 4.875 : 1 5.571 :1 6.166 : 1	4.875 : 1 5.571 : 1 6.166 : 1	5.285 : 1 6.166 : 1 6.666 : 1 7.166 : 1	6.166 : 1 6.666 : 1 7.166 : 1	6.166 : 1 6.666 : 1 7.166 : 1	5.571 : 1 6.500 : 1 7.166 : 1	5.571 : 1 6.500 : 1 7.166 : 1
Serial Number Location	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential	On Bolt Circle of Differential
Pinion
Drive	Hypoid	Hypoid	Hypoid	Hypoid	Hypoid	Hypoid	Hypoid	Hypoid	Hypoid
Mounting	Straddle	Straddle	Straddle	Straddle	Straddle	Straddle	Straddle	Straddle	Straddle
Nominal Dimension (? inches ?)	2.6094	2.6094	2.9830	2.9830	3.2530	3.2530	3.2530	3.2530	3.4725
SE-1065-0 Disc	A(2)	A(2)	N(2)	N(2)	D(2)	D(2)	D(2)	D(2)	D(2)
Cage Rotating Torque Scale Reading (pounds)	3 to 8	3 to 8	3 to 8	3 to 8	3 to 8	3 to 8	3 to 8	3 to 8	3 to 8
Differential
Case Type	One Piece	One Piece	Two Piece	Two Piece	Two Piece	Two Piece	Two Piece	Two Piece	Two Piece
Number of Gears	2	2	4	4	4	4	4	4	4
Bearing Preload	1 notch each side	1 notch each side	1 notch each side	1 notch each side	1 notch each side	1 notch each side	1 notch each side	1 notch each side	1 notch each side
Housing
Type	Banjo	Banjo	Banjo	Banjo	Banjo	Banjo	Banjo	Banjo	Banjo
Lube Capacity (pints)	4	4	5-1/4	5-1/2	9-1/2	8	8	11	12
Axle Shaft
Number of Splines	10	10	16	16	16	16	16	16	16
Diameter at Splines (? inches ?)	1-9/32	1-9/32	1-33/64	1-33/64	1-3/4	1-3/4	1-3/4	1-7/8	1-7/8