911 1970-1973
Enjoy these videos and 901 and 915 Specifications
Porsche Type 901 Transmission Specifications
Version Gears R&P 1st,2nd,3rd,4th,5th Serial Number Note
901/0 5 7:31 AA GA O U Y 1964-65 911
901/02 5 7:31 A F M S Z 1966-67 911S
901/03 5 7:31 S A F M S Z 1968 911T
901/06 4 7:31 S A HB S Z 7090001 - 7090223 1969-70 911
901/07 5 7:31 S A F M S Z 7190001 - 7192529
901/10 4 7:31 S A HB S Z 1968-69 911S, 911T
901/12 4 7:31 S A HB S Z 7091001 - 7091469
901/13 5 7:31 S A F M S Z 7193001 - 7198787
901/50 5 7:31 B GA M T Y 1967 911 Special ratio option
901/51 5 7:31 AA E I M O 1967 911 Hillclimb ratio option
901/52 5 7:31 AA F J O S 1967 911 Airport ratio option
901/53 5 7:31 C HA O T Y 1967 911 Speed ratio option
901/54 5 7:31 B HA M R V 1967 911 Nurburgring ratio option
901/75 5 7:31 S B GA M T Y 7390001 - 7390002 1968 911 Special ratio option
901/76 5 7:31 S AA E I M O 7391001 - 7391001 1968 911 Hillclimb ratio option
901/77 5 7:31 S AA F J O S 7392002 - 7392010 1968 911 Airport ratio option
901/78 5 7:31 S C HA O T Y 7393001 - 7393003 1968 911 Speed ratio option
901/79 5 7:31 S B HA M R V 7394001 - 7394008 1968 911 Nurburgring ratio option
901/80 5 7:31 S B GA M T Y 7390101 - 7390109 1969 911 Special ratio option
901/81 5 7:31 S AA E I M O 7391101 - 7391102 1969 911 Hillclimb ratio option
901/82 5 7:31 S AA F J O S 7392101 - 7392118 1969 911 Airport ratio option
901/83 5 7:31 S C HA O T Y 7393101 - 7393106 1969 911 Speed ratio option
901/84 5 7:31 S B HA M R V 7394101 - 7394109 1969 911 Nurburgring ratio option
902/0 4 7:31 S A H Q X
160001 - 162462 (MY 1965),
163001 - 165214 (MY 1966)
1965-66 911, 912
902/1 5 7:31 S A F M S X 234001 - 238942 1965-67 911, 912
902/01 4 7:31 S A H Q X 1080001 - 1089999 1968 912 US
902/02 5 7:31 S A F M S X 1280001 - 1289999 1968 912 ROW
902/6 5 6:29 A GA O U Z 5195001 - ??????? 1969 late 912 US
902/14 4 7:31 S A H Q X 109xxxx - ???????
1969 late 912
902/16 5 6:29 A GA O U Z 129xxxx - ??????? 1969 912
902/50 5 7:31 S A E I O U 9285001 - 9285999 Close ratio option
902/60 5 7:31 S A E I O U Close ratio option
911/00 4 7:31 S A HB S ZA
7000001 - 7000691 (MY 1970),
7010001 - 7019999 (MY 1971)
1970-71 911T
911/01 5 7:31 S A GA O V ZA
7100001 - 7109999 (MY 1970),
7700001 - 7702730 (MY 1970),
7110001 - 7119999 (MY 1971),
7710001 - 7719000 (MY 1971)
1970-71 911E, 911S
911/80 5 7:31 S B GA M T Y 7319101 - 7319200 1970 911 Special ratio option
911/81 5 7:31 S AA E I M O 7319201 - 7319300 1970 911 Hillclimb ratio option
911/82 5 7:31 S AA F J O S 7319301 - 7319400 1970 911 Airport ratio option
911/83 5 7:31 S C HA O T Y 7319401 - 7319500 1970 911 Speed ratio option
911/84 5 7:31 S B HA M R V 7319501 - 7319600 1970 911 Nurburgring ratio option
914/01, 914-6 5 7:31 A GA O V ZA
7500001 - 750???? (MY 1970),
7510001 - 751???? (MY 1971),
7520001 - 752???? (MY 1972)
1970-72 914-4 Tail Shift Linkage
914/11 5 7:31 A F N V ZD
HA 0000001 - HA 0014826 (MY 1970),
HA 0014827 - HA 0030093 (MY 1971),
HA 0030094 - HA 0053072 (MY 1972)
1973-76 914/4 Side Shift Linkage
914/12 5 7:31 A F N V ZD
HA 0053072 - HA 0056362 (MY 1973),
HA 01102 - HA 31122 (MY 1973),
HA 01013 - HA 31073 (MY 1973),
HA 01083 - HA 31074 (MY 1974),
HA 05084 - ? (MY 1975),
HA 05085 - ? (MY 1976)
Porsche type 915 transmission specifications 1972-86
915/02
911 1972-74
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.96 (26/25)
5th gear: 0.76 (29/22)
Ring and pinion: 4.43 (7:31)
915/06
911 1975
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.93 (27/25)
5th gear: 0.72 (29/21)
Ring and pinion: 4.43 (7:31)
915/08
911 Carrera RS 1973
5-speed synchronized transaxle w/tail-cover oil pump
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.93 (27/25)
5th gear: 0.72 (29/21)
Ring and pinion: 4.43 (7:31)
915/35
911 S/T 2.5L 1972
5-speed synchronized transaxle w/tail-cover oil pump
Manufactured by Porsche (ZF)
Plate-type limited-slip differential
Rod shift
Single-plate clutch
Gear ratios: see racing ratios
915/40
911S, Carrera (USA) 1975
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.82 (28/23)
Ring and pinion: 3.88 (8:31)
915/43
911 ROW 1975
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.96 (26/25)
5th gear: 0.72 (29/21)
Ring and pinion: 4.43 (7:31)
915/44
911, 911S (USA), Carrera 1976
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.82 (28/23)
Ring and pinion: 3.88 (8:31)
915/50
935 1.4L Turbo "Baby" 1977
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Rod shift
Single-plate clutch
Gear ratios: see racing ratios
915/60
911, 911S (USA), Carrera 1977
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.82 (28/23)
Ring and pinion: 3.88 (8:31)
915/61
911SC 1978-79
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.82 (28/23)
Ring and pinion: 3.88 (8:31)
915/62
911SC (ROW) 1980-83
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.79 (28/22)
Ring and pinion: 3.88 (8:31)
915/63
911SC (USA/Japan) 1980-83
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.82 (28/23)
Ring and pinion: 3.88 (8:31)
915/67
911 Carrera 3.2 (ROW) 1984-86
5-speed synchronized transaxle w/cooler
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.97 (29/28)
5th gear: 0.76 (38/29)
Ring and pinion: 3.88 (8:31)
915/68
911 Carrera 3.2 (USA/Japan) 1984-86
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.79 (38/30)
Ring and pinion: 3.88 (8:31)
915/69
911 Carrera 3.2 Turbo-look (ROW) 1984-86
5-speed synchronized transaxle w/cooler
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.97 (29/28)
5th gear: 0.76 (38/29)
Ring and pinion: 3.88 (8:31)
915/70
911 Carrera 3.2 Turbo-look (USA/Japan) 1984-86
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.79 (38/30)
Ring and pinion: 3.88 (8:31)
915/72
911 Carrera 3.2 Turbo-look (ROW) 1984-86
5-speed synchronized transaxle w/cooler
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 0.97 (29/28)
5th gear: 0.76 (38/29)
Ring and pinion: 3.88 (8:31)
915/73
911 Carrera 3.2 Turbo-look (USA/Japan) 1984-86
5-speed synchronized transaxle
Manufactured by Porsche (ZF)
Plate-type limited-slip differential available
Rod shift
Single-plate clutch
Gear ratios:
1st gear: 3.18 (11/35)
2nd gear: 1.83 (18/33)
3rd gear: 1.26 (23/29)
4th gear: 1.00 (26/26)
5th gear: 0.79 (38/30)
Ring and pinion: 3.88 (8:31)
