Transmission Repair

There are two basic types of transmissions when dealing with automotive mechanics and combustion. The automatic and manual transmissions have all sorts of gears and shaft that connect to a torque converter to make the car or truck move. The science: physics and the best engineering have been applied through out history.

The History of the American Transmission compliments of Wikipedia

General Motors Transmissions
Early models

The GM Hydra-Matic was a success and installed in the majority of GM models by 1950. Through the 1950s, all makers were working on their own automatic transmission, with four more developed inside GM alone. All of GM’s early automatic transmissions were replaced by variants of the Turbo-Hydramatic by the 1970s.
1940–1967 Hydra-Matic — Oldsmobile (now the trade name for all GM automatic transmissions)
1948–1964 Dynaflow — Buick
1950–1973 Powerglide — Chevrolet (also used by Pontiac)
1957–1961 Turboglide — Chevrolet (V8 models only, except Corvette)
1958–1959 Flightpitch — Buick
1961–1963 Dual Path Turbine Drive — Buick
1961–1964 Roto Hydramatic — Oldsmobile/Pontiac
1964–1969 Super Turbine 300 — Buick/Oldsmobile/Pontiac (Oldsmobile Jetaway)
1968–1969 Torquedrive — Chevrolet (manually shifted automatic, 6 cyl only)


The Turbo-Hydramatic was used by all GM divisions, and formed the basis for the company’s modern Hydramatic line. The basic rear-wheel drive Turbo-Hydramatic spawned two front-wheel drive variants, the transverse Turbo-Hydramatic 125, and the longitudinal Turbo-Hydramatic 425. A third variant was the light-duty rear wheel drive Turbo-Hydramatic 180 used in many European models.
Heavy-duty rear wheel drive
1971–19?? 3L80HD (heavy duty version of TH400)
Medium-duty rear wheel drive
1964–1992 Super Turbine 400/TH400/3L80
1969–1986 TH350/TH350C/TH375B/TH250/TH250C
1972–1976 TH375 — Light duty version of TH400
1976–1987 TH200/TH200C
1981–1990 TH200-4R
1982–1993 TH700R4/4L60
Light-duty rear wheel drive
1969–1998 TH180/TH180C/3L30 — 3-speed European/Asian model
Transverse front wheel drive
1980–1996 TH125/TH125C/3T40 — 3-speed light-duty
1984–1994 TH440-T4/4T60 — 4-speed medium-duty
Longitudinal front wheel drive
1966–1978 TH425 — 3-speed
1979–1981 TH325 — 3-speed
1982–1985 TH325-4L — 4-speed

Electronic Hydra-Matics

The next-generation transmissions, introduced in the early 1990s, were the electronic Hydra-Matics based on the Turbo-Hydramatic design. Most early electronic transmissions use the “-E” designator to differentiate them from their non-electronic cousins, but this has been dropped on transmissions with no mechanical version like the new GM 6L80 transmission.
Today, GM uses a simple naming scheme for their transmissions, with the “Hydra-Matic” name used on most automatics across all divisions.
3/4/5/6 L/T ## -E
Number of forward gears L=Longitudinal
T=Transverse GVWR rating “E” for Electronic
“HD” for Heavy Duty
First-generation longitudinal (Rear Wheel drive)
1991–2001 4L30-E — 4-speed light-duty (used in BMW, Cadillac, Isuzu, and Opel cars)
1992– 4L60-E/4L65-E — 4-speed medium-duty (used in GM trucks and rear-wheel-drive cars)
1991– 4L80-E/4L85-E — 4-speed heavy-duty (used in GM trucks)
First-generation transverse (Front Wheel drive)
1995– 4T40-E/4T45-E — 4-speed light-duty (used in smaller front wheel drive GM vehicles)
1991– 4T60-E/4T65-E/4T65E-HD — 4-speed medium-duty (used in larger front wheel drive GM vehicles)
1993– 4T80-E — 4-speed heavy-duty (used in large front wheel drive GM vehicles, only with Cadillac NorthStar V8.
Second-generation longitudinal (Rear Wheel drive)
2000– 5L40-E/5L50 — 5-speed medium-duty (used in Cadillac’s Sigma vehicles)
2007– 6L45/6L50 — 6-speed medium-duty (used in GM Sigma platform cars)
2006– 6L80/6L90 — 6-speed heavy-duty (used in GM trucks and performance cars)
Second-generation transverse (Front Wheel drive)
2008– 6T40 — 6-speed light-duty
2006– 6T70/6T75 — 6-speed medium-duty
Aisin AF33 — 5-speed transverse automatic made by Aisin AW Co., Ltd.
Allison 1000 Series — 6-speed longitudinal automatic made by Allison Transmission
Saturn MP6/MP7 — 4-speed automatic developed by Saturn for use in the S-series from 1991-2002
VTi transmission — continuously variable transmission
8-speed automatic transmission[2]
Manual transmissions
Aisin AR5/MA5 — 5-speed longitudinal manual made by Aisin
Aisin AY6 — 6-speed longitudinal manual made by Aisin
FDF Germany F35 — 5-speed transverse manual made by FDF Germany
FGP Germany F40 — 6-speed transverse manual made by FGP Germany
Getrag 282 — 5-speed transverse manual designed by Getrag and manufactured by Muncie Getrag
Getrag 284 — 5-speed transverse manual designed by Getrag and manufactured by Muncie Getrag
Getrag F23 — 5-speed transverse manual made by Getrag
Getrag 260 — 5-speed longitudinal manual made by Getrag
Muncie M20 — 4-speed longitudinal wide ratio manual transmission made by Muncie
Muncie M21/M22 — 4-speed longitudinal close ratio manual transmission made by Muncie
New Venture Gear NV1500- 5-speed longitudinal manual made by New Venture Gear
New Venture Gear 3500/4500 — 5-speed longitudinal manual made by New Venture Gear
Saturn MP2/MP3 — 5-speed manual developed by Saturn for use in the S-Series from 1991-2002
Tremec T-56 — 6-speed longitudinal manual overdrive made by Tremec
Tremec TR-6060 — 6-speed longitudinal manual overdrive made by Tremec
ZF S6-650 — 6-speed longitudinal manual made by ZF Friedrichshafen
SM465 – 4 speed used in 80’s and 90’s Chevy 3/4 ton trucks
List of GM Transmission by Wikipedia

Ford Transmissions

1950–1965 Ford-O-Matic
1958–1979 Cruise-O-Matic
1968–1981 FMX—A hybrid of the FX and MX
1964–1981 C4
Most small-block V8 powered cars of the 1960s and 1970s in the North American market
1966–1996 C6
Most big-block V8 powered cars of the 1960s and 1970s in the North American market
1974–1989 C3—Light-duty, smaller than the C4
1982–1986 C5—Improved C4, with a lock-up converter
1985–1994 A4LD—C3 with overdrive
1989–1996 E4OD—C6 with overdrive
1998– 4R100—Replaces the E4OD transmission
1995–2001 4R44E—Electronically controlled A4LD, light-duty
1995–1997 4R55E—Electronically controlled A4LD, heavy-duty
1997–Current 5R44/5R55 Series—5-speed based on the 4R44E/4R55E, Bordeaux Transmission
Lincoln LS and Ford Thunderbird
Ford Falcon (Australia)
2005–Current Ford Mustang V6[1]
1980–1993 AOD—Ford’s first 4-speed automatic transmission, based on the FMX but with a torque-splitting feature.
1992– AOD-E—Electronic AOD
1993– AOD-EW/4R70W—Strengthened AOD-E with lower 1st and 2nd gear ratios
2003– 4R75E/4R75W
AXOD family—Van Dyke Transmission
1986–1991 AXOD—4-speed transaxle
Ford Taurus, Lincoln Continental, Mercury Sable
1991–1993 AXOD-E—4-speed electronic transaxle
Ford Taurus, Lincoln Continental, Mercury Sable
1994–2003 AX4S—4-speed electronic transaxle
Ford Taurus, Ford Windstar, Lincoln Continental, Mercury Sable
1995–2007 AX4N/4F50N—4-speed electronic transaxle
Ford Freestar, Ford Taurus, Ford Windstar, Lincoln Continental, Mercury Monterey, Mercury Sable
1980–1994 FLC—3-speed hydraulic transaxle
Ford Escort, Ford Tempo, Mercury Topaz, Ford Taurus, Mercury Sable, and Ford EXP
1989–1997 4EAT-G—4-speed Mazda design transaxle
Ford Probe
1990–2003 F-4EAT—4-speed electronic transaxle—Replaces the FLC transaxle
Ford Escort, Mercury Tracer
1994–2007 CD4E—4-speed transaxle, Batavia Transmission—Replaces the 4EAT-G transaxle
Ford Contour, Ford Escape, Ford Mondeo, Ford Probe, Mercury Cougar, Mercury Mariner, Mercury Mystique, Mazda Tribute, Mazda 626.
2000–present 4F27E—4-speed Ford/Mazda—Replaces the CD4E transaxle
Ford Focus
2000–present Durashift
Ford Transit
Ford Mondeo
Ford Focus
Ford Fusion
2004–2010 5R110W – 5-speed automatic with Tow/Haul mode – Replaces 4R100 in Super Duty trucks
Ford Super Duty
2011-present 6R140 – 6-speed automatic with Tow/Haul mode – Replaces 5R110W in Super Duty trucks. As of 2011 only transmission(manual or automatic) available in Ford Super Duty trucks.
2005–present Aisin AWF-21 6-speed
Ford Five Hundred, Ford Fusion, Mercury Montego, Mercury Milan, Lincoln Zephyr, Lincoln MKZ, Mazda6, Mazda CX-7, Mazda CX-9, Land Rover LR2
2005–2007 ZF-Batavia CFT30—Continuously variable transaxle (CVT)
Ford Freestyle, Ford Five Hundred, Mercury Montego
2005–present ZF 6-speed transmission
Ford Falcon (BF, FG)
Ford Territory (AWD)
Lincoln Navigator
2006–present 6R60 6-speed transmission
Ford Explorer, Ford Explorer Sport Trac, Mercury Mountaineer
2007–present 6R80 6-speed transmission
Ford Expedition, Lincoln Navigator, 2009 Ford F-Series
2007–present 6F50—6-speed transaxle, Van Dyke Transmission
Ford Edge, Lincoln MKX, Lincoln MKS, Ford Taurus, Ford Taurus X, Mercury Sable, Ford Flex, Lincoln MKT
2009–present 6F35—6-speed transaxle, Van Dyke Transmission
Ford Escape, Mercury Mariner, Mazda Tribute, Ford Fusion, Mercury Milan
2009–present 6F55—6-speed transaxle (designed for use with the 3.5L Ecoboost V6)
Lincoln MKS, Ford Flex, Ford Taurus SHO, Lincoln MKT

Automated manual

2008–present PowerShift—6-speed dual clutch transmission
Ford Focus, Ford C-Max, Ford S-Max, Ford Galaxy, Ford Mondeo
List of Ford Transmission by Wikipedia

Chrysler Transmissions

1941–1942 M4 Vacamatic/Simplimatic — 4-speed semi-automatic
1946–1953 M6 Presto-Matic — 4-speed semi-automatic with Fluid Drive (aka Tip-Toe Shift, Gyro-Matic, Fluid-Matic) or Fluid Torque Drive
1953–1954 Hy-Drive — 3-speed manual transmission behind a torque converter
1954–1961 PowerFlite — 2-speed automatic
1956– TorqueFlite — 3-speed automatic
1956–1961 A488
1962– 1994 A727 (36RH/37RH)
A518 (46RH/46RE) — 4-speed automatic
1994–2003 A618 (47RH/47RE) — 4-speed heavy-duty automatic
2003–2007 A818 (48RE) — 4-speed heavy-duty automatic
1960– A904 (30RH)
A998/A999 (31RH/32RH)
1988– A500 (40RH/42RH/40RE/42RE/44RE) — 4-speed automatic
1978–1983 A404 — 3-speed front-wheel drive transaxle
1981–2001 A413
1981–1987 A470
1987–2000 A670
1989–present Ultradrive
1989–present A604 (41TE/41AE) — 4-speed automatic
1993–present A606 (42LE/42RLE) — 4-speed automatic
2007–present 40TES/41TES — 4-speed automatic
2007–present 62TE — 6-speed automatic
1999–present 45RFE — 4-speed automatic
545RFE — 5-speed automatic
2007–present 68RFE — 6-speed longitudinal heavy-duty automatic
Model number conventions
Newer Chrysler automatic transmissions follow standard model number conventions. Below are the available values and some example transmission models:
Speeds Torque Rating Drive/Orientation Control System
Values 4, 5, 6 0, 1, 2, 5, 7, 8 (R)ear, (L)ongitudinal, (T)ransverse (E)lectronic, (F)ull (E)lectronic, (H)ydraulic
31TH 3 1 T H
41TE 4 1 T E
42LE 4 2 L E
42RLE 4 2 R, L E
545RFE 5,4 5 R FE
68RFE 6 8 R FE


Chrysler A460 transmission — 4-speed manual transaxle
Chrysler A465 transmission — 5-speed manual transaxle
Chrysler A525 transmission — 5-speed manual transaxle
Chrysler A520 transmission — 5-speed manual transaxle
Chrysler A523 transmission — 5-speed manual transaxle
Chrysler A543 transmission — 5-speed manual transaxle
Chrysler A555 transmission — 5-speed manual transaxle, Chrysler-built (NPG) with Getrag-sourced gearset
Chrysler A568 transmission — 5-speed manual transaxle, Chrysler-built (NPG) with Getrag-sourced gearset
NSG370 transmission — 6-speed overdrive manual transmission
NVG A578 — 5-speed manual transaxle for the Dodge Neon and various GM subcompacts
Chrysler A833 — 4-speed manual manufactured by New Process Gear used 1964 though the early ’80s
Non-Chrysler Transmissions used on Chrysler vehicles


Aisin-Warner AW4 4-speed longitudinal
1987-2001 Jeep Cherokee I6
1993 Jeep Grand Cherokee I6
Aisin AS68RC 6-speed longitudinal
2007- Dodge Ram 3500/4500/5500 Cab Chassis)
Aisin AX5
1984-1988 Jeep Cherokee XJ 4-cyl.
1984-1988 Jeep Wrangler YJ/TJ 4-cyl.
Aisin AX15
1989-1999 Jeep Cherokee XJ with 6-cyl.
1989-1992 Jeep Commanche MJ with 6-cyl.
1993 Jeep Grand Cherokee XJ with 6-cyl.
1989-1999 Jeep Wrangler YJ/TJ with 6-cyl.
List of Chrysler Transmissions by Wikipedia.

Not all auto repair shops have the correct equipment to rebuild or re manufacture transmissions. Calvin’s transmissions has been rebuilding import and domestic transmissions since 1986. There is great pride and workmanship that goes into every rebuilt transmission. We have been servicing Tampa Bay since 1996 and Love the Tampa Bay Buccaneers and Tampa Bay Lightning.