Popular Automatic Transmission Dimensions

Automatic Transmissions
 

So you want to replace the transmission in your classic or custom? How do you know what will even fit? This handy dimension chart will help answer some of those questions.

See Also: Transmission Cross Reference Database

Automatic Transmission Dimensions

Editor’s Note: Due to the amount of information presented, the table below scrolls horizontally.

MakeTransmissionTypeBellhousing PatternStyleABCDE
ChryslerA-518 (46RH, 47RH, 47RE)4-Speed ODSmall Block38 1/4″16″25 1/4″16 5/16″
ChryslerA-500 (42RH, 42RE)4-Speed ODSmall Block37″15 7/8″24 1/2″3 5/8″18 1/8″
ChryslerA-727 (36RH, 37RH)3-SpeedSmall Block34 3/8″16″23 3/4″2 3/4″18″
ChryslerA-727 (36RH, 37RH)3-SpeedBig Block34 1/2″16″22 3/4″2 3/4″18 13/16″
ChryslerA-904 (32RH)3-SpeedSmall Block30 3/4″14″24 5/16″2 3/16″17 7/8″
FordAOD4-Speed ODSmall BlockSmall Block30 3/8″20 3/16″22 5/16″5 5/16″19 9/16″
FordAODE4-Speed ODSmall BlockSmall Block31 3/16″21″23 5/16″5 5/16″19 3/8″
FordC-43-Speed4 cylinder, Small Block, Big Block (removable)Pan Fill24 5/16″16 3/4″19 1/2″5 9/16″N/A
FordC-43-Speed4 cylinder, Small Block, Big Block (removable)Case Fill30 19/32″18 1/8″20 1/2″5 9/16″N/A
FordC-63-SpeedFE Big Block, Big Block, Small BlockFE Big Block33 1/2″20″22 3/8″5 1/2″N/A
FordC-63-SpeedFE Big Block, Big Block, Small BlockBig Block33 1/2″20″22 3/8″5 1/2″N/A
FordC-63-SpeedFE Big Block, Big Block, Small BlockSmall Block33 1/2″20″22 3/8″5 1/2″N/A
GMTH-3503-SpeedChevrolet, BOP, Fit-All6″ Tailshaft27 11/16″21 5/8″20 3/8″3 3/4″19 1/8″
GMTH-3503-SpeedChevrolet, BOP, Fit-All9″ Tailshaft30 11/16″21 5/8″20 3/8″3 3/4″19 1/8″
GMTH-3503-SpeedChevrolet, BOP, Fit-All12″ Tailshaft33 27/32″21 5/8″20 3/8″3 3/4″19 1/8″
GMTH-4003-SpeedChevrolet, BOPC Tailshaft28 3/8″26 15/16″24 5/16″4 1/4″20″
GMTH-4003-SpeedChevrolet, BOPD Tailshaft33 27/32″27 15/16″24 5/16″4 1/4″20″
GMTH-4003-SpeedChevrolet, BOP13″ Tailshaft37 7/8″27 21/32″24 5/16″1 3/4″20″
GM200-R44-Speed ODBOP, Fit-AllAll27 11/16″Integral Tailhousing27″3 3/4″19 1/8″
GM700-R4, 4L60 (4L60E 1993-1995)4-Speed ODChevroletAll (except Corvette)30 3/4″23 3/8″22 1/2″3 3/4″20″
GM700-R4, 4L60 (4L60E 1993-1995)4-Speed ODChevroletCorvette (1982-1996)29 7/8″23 3/8″22 1/2″3 3/4″20″
GM4L60E (1996 and Later)4-Speed ODChevrolet (removable)All (except Corvette and LS1)30 3/4″21 3/4″23 3/16″3 3/4″18 1/4″
GM4L60E (1996 and Later)4-Speed ODChevrolet (removable)Corvette transaxleN/AN/A
GM4L60E (1996 and Later)4-Speed ODChevrolet (removable)LS1 Style (1998 and Later)31 5/32″21 3/4″23 19/32″3 3/4″18 1/4″
GM4L80E, 4L85E (1991 and Later)4-Speed ODChevrolet (removable)Standard 2WD32 11/16″30 3/8″26″4 1/4″20″
GM4L80E, 4L85E (1991 and Later)4-Speed ODChevrolet (removable)HD 2WD31 15/16″30 3/8″26″4 1/4″20″
GM4L80E, 4L85E (1991 and Later)4-Speed ODChevrolet (removable)HD Long33″30 3/8″26″4 1/4″20″
GM4L80E, 4L85E (1991 and Later)4-Speed ODChevrolet (removable)4×429″30 3/8″26″N/A20″