GM 4T60-E transmission

Infobox Automobile
name=4T60-E/4T65-E
production=1992–
manufacturer=General Motors
class=4-speed transverse automatic transmission
predecessor=Turbo-Hydramatic 125
successor=6T70
similar=Ford AXOD
Chrysler A-604The 4T60-E (and similar 4T65-E) is a series of automatic transmissions from General Motors. Designed for transverse engine configurations, the series includes 4 forward gears. The 4Txx family is an evolution of the original Turbo-Hydramatic 125 transverse automatic introduced in the late 1970s.

The "-E" transmission is electronically controlled and features an automatic overdrive transaxle with an electronically controlled torque converter clutch.

The 4T65 is built at Warren Transmission in Warren, Michigan.

4T60-E

The 4T60 was the transitional model from the old Hydramatic (formerly called the 440-T4) to the new electronically-controlled transverse family. Introduced in 1984 on the 1985 C-bodies, it was enhanced with electronic controls to become the 4T60-E in 1991. By the mid-1990s, the 4T60-E was the transmission of choice in nearly every front-wheel drive GM vehicle. A heavy-duty 4T60-E HD was introduced in 1991 for the supercharged GM 3800 engine. The 4T60-E was phased out in favor of the 4T65 beginning in 1997.

Even though the 4T60E is electronically controlled, shift points were not easily customizable prior to the computer standard OBDII and the advent of DHP Tuning (http://65.109.52.43/PowrTuner.htm).

The 4T60-E featured a 245 mm torque converter with varying stall rpm's depending on year and application. (For example a '95 Beretta features a 1650rpm stall converter as opposed to '99 Century converter with a stall of 2095rpm.)

Applications:
* 4T60-E
** 1991-1996 Oldsmobile Cutlass Ciera/Oldsmobile Ciera V6 3100 L
** 1994–1996 Chevrolet Beretta/Corsica V6 3.1 L
** 1992–1996 Chevrolet Lumina APV V6 3.4 L/3.8 L
** 1996 Buick Park Avenue V6 3.8 L
** 1993–1996 Chevrolet Lumina/Monte Carlo V6 3.1 L/3.4 L
** 1997–1999 Chevrolet Lumina/Monte Carlo V6 3.1 L
** 1997– Chevrolet Malibu V6 3.1 L Uses a 4T40-E
** 1997–1998 Chevrolet Venture V6 3.4 L
** 1992-1996 Pontiac Bonneville 3800 V6
** 1995-1998 Pontiac Grand Am 2.4 L
** 1997 Pontiac Grand Prix "GT" 3800 V6 (L36 Motor)
** 1994-1996 Buick Century
** 1991-1992 Oldsmobile Toronado/Trofeo 3800 V6
** 1991-1993 Cadillac DeVille 4.9L V8

4T65-E

The 4T65-E was introduced to replace the 4T60-E in 1997. The 4T65-E included a larger 258 mm torque converter and many other changes to improve reliability. It is able to handle vehicles up to 6500 lb (2948 kg) GVWR with up to 280 ft·lbf (380 N·m) of torque. A number of final drive ratios are available, with many distinct models. Starting in mid year 2000 models, all 4T65-E models received an upgraded valve body. Starting in 2003 the internal electronics were changed, and ratcheting sprags for input and 3rd gear were added.

Models:
* M15 — 245 mm (9.6 in) torque converter
* MN3 — 258 mm (10.2 in) torque converter
* MN7 — 258 mm (10.2 in) torque converter and heavy-duty gearbox (see 4T65E-HD)
* MD7 — 245 mm (9.6 in) torque converter (Chinese version)
* M76 — 245 mm (9.6 in) torque converter (with all-wheel drive capability)

Gear ratios:

Applications:
* M15
** 1997 Pontiac Grand Prix 3.4 DOHC V6
** 1997–2003 Chevrolet Lumina/Monte Carlo V6 3.4 L/3.8 L
** 1997–2003 Chevrolet Venture V6 3.4 L
** 2000–2003 Chevrolet Impala V6 3.4 L/3.8 L
** 1997–2001 Chevrolet Lumina/Monte Carlo V6 3.1 L
** 1998-2002 Oldsmobile Intrigue V6 3.8 L
** 1997-2003 Pontiac Grand Prix V6 3.1 L/3.8 L
* 3.29:1 M15
** Buick Terraza
** Chevrolet Uplander
** Pontiac Montana SV6
** Saturn Relay
* 3.29:1 M76
** Buick Rendezvous
** Pontiac Aztek
** Oldsmobile Silhouette
** Pontiac Grand Prix GT
* 2.86:1 or 3.05:1 M15
** Buick LeSabre
** Chevrolet Impala LA1
** Chevrolet Monte Carlo LA1

* 3.05:1 MN3
** Buick Regal LS/LSE
** Buick Park Avenue
* 2.92:1 M15
** Buick LaCrosse
** Pontiac Bonneville
* 3.69:1 M76
** Buick Terraza
** Buick Rendezvous
** Chevrolet Uplander
** Pontiac Aztek
** Pontiac Montana SV6
** Saturn Relay

4T65E-HD

The 4T65E-HD (code MN7) is a heavy duty version of the 4T65-E used with V8 engines like the LS4 V8 and L67/L32 supercharged V6.

Applications:
* 2.93:1 MN7
** Pontiac Bonneville SSEi L67
** Chevrolet Impala L67
** Chevrolet Monte Carlo L67
** Pontiac Grand Prix GTP
** Buick Regal GS
** Buick Riviera L67 (97-99)
* 3.05:1 MN7
** Buick Park Avenue Ultra
* 3.06:1 MN7
** Chevrolet Impala "SS"
** Chevrolet Monte Carlo "SS"
* 3.29:1 MN7
** Buick Regal GSX (SLP)
** Pontiac Grand Prix GTP Comp G
** Pontiac Grand Prix GXP

ee also

* List of GM transmissions