The Ford C4 is a three-speed, medium-duty automatic transmission introduced on 1964 model year vehicles and produced through 1981. The C4 was designed to be a lighter and simpler replacement for the original Ford-O-Matic two speed transmission being used in smaller, less powerful cars.
Ford used the term "SelectShift" because in the first C4's, placing the gear selector in D2 forced the transmission to start in second gear and then shift to third gear. If the transmission was placed in D1, the transmission would start in first gear, then shift to second and third gear as normal. If the gear selector was placed into L, the transmission stayed in first gear only. The shifter display appeared as P-R-N-D2-D1-L. Because this was confusing, later versions of the C4 were changed to a P-R-N-D-2-1 (or L) pattern typically seen today.
Because of its cast iron construction, the Ford-O-Matic was very heavy. In designing the C4, Ford used an aluminum alloy, three-piece case (bell housing, main case, and tailhousing). The aluminum case and the use of a simpler Simpson planetary gearset reduced the weight significantly (estimated at 185 lbs (83.9Kg)). It was primarily used with Ford's inline six-cylinder engines and small V8 engines (see Ford small block engines), usually up to 302 in³ (5.0 L). By comparison, the 351 Windsor and 351 Cleveland small and intermediate-block engines were backed by the medium-duty FMX or the heavy-duty C6 that debuted in 1966. Some C4s were built with a larger spread bell housing to use with 351M V8s, but these are rare. A few were also used with FE engines, mostly the 390 in full-size cars. Ratios are 2.46 low, 1.46 second and direct high.
The early model C4 (1964–1969) used a .788-inch 24-spline input shaft, which was upgraded in 1970 to 26-spline and .839-inch. The upgrade also included a matching 26-spline clutch hub. In 1971, Ford went to a 26/24-spline input shaft, meaning the torque-converter side is 26-spline and the clutch hub is 24-spline.
The C4 was also found with valve bodies requiring a different number of bolts, 8-bolt vs 9-bolt. A 9-bolt valve body can be used in either case, but a nut & bolt must be used on the valve body in the empty hole, dropping the bolt in from the top and using the nut on the bottom/filter side.
Modified C4s remain popular with hot rodders and drag racers due to their simplicity and durability.
As fuel economy became more important in the 1970s, and 1980s, the C4 was replaced in 1982 by the C5, which was essentially a C4 with a lock-up clutch in the torque converter to improve highway fuel economy. It bore the casting numbers E2, E3, E4, E5, and E6, corresponding with the year it was produced. The C5 was phased out in 1986, replaced by the AOD. The production plant in Sharonville, Ohio was converted to production of the C6 transmission which was relocated from Livonia, Michigan, as the Livonia facility was converted to the AOD.
The Ford Thunderbird is a personal luxury car manufactured and marketed by Ford from model years 1955-2005, across 11 generations. Introduced as a two-seat convertible, the Thunderbird was offered variously as a four-seat hardtop coupe, four-seat convertible, five-seat convertible and hardtop, four-door pillared hardtop sedan, six-passenger hardtop coupe, and five-passenger pillared coupe, with the final generation designed again as a two-seat convertible.
An automatic transmission is a multi-speed transmission used in motor vehicles that does not require any input from the driver to change forward gears under normal driving conditions.
Mercury Cougar is a nameplate applied to a diverse series of automobiles sold by the Mercury division of Ford from 1967 until 1997 and from 1999 through 2002 model years. While the nameplate is associated with two-door coupes, at various times during its production, the Cougar was also marketed as a convertible, four-door sedan, station wagon, and a hatchback.
The Ford 335 engine family was a group of engines built by the Ford Motor Company between 1969 and 1982. The "335" designation reflected Ford management's decision to produce an engine of that size with room for expansion during its development. This engine family began production in late 1969 with a 351 cu in (5.8 L) engine, commonly called the 351C. It later expanded to include a 400 cu in (6.6 L) engine which used a taller version of the engine block, commonly referred to as a tall deck engine block, a 351 cu in (5.8 L) tall deck variant, called the 351M, and a 302 cu in (4.9 L) engine which was exclusive to Australia.
The Ford small-block is a series of 90° overhead valve small block V8 automobile engines manufactured by the Ford Motor Company from July 1961 to December 2000.
The Ford Motor Company produced straight-six engines from 1906 until 1908 and from 1941 until 2016. In 1906, the first Ford straight-six was introduced in the Model K. The next was introduced in the 1941 Ford. Ford continued producing straight-six engines for use in its North American vehicles until 1996, when they were discontinued in favor of more compact V6 designs.
TorqueFlite is the trademarked name of Chrysler Corporation's automatic transmissions, starting with the three-speed unit introduced late in the 1956 model year as a successor to Chrysler's two-speed PowerFlite. In the 1990s, the TorqueFlite name was dropped in favor of alphanumeric designations, although the latest Chrysler eight-speed automatic transmission has revived the name.
Turbo-Hydramatic or Turbo Hydra-Matic is the registered tradename for a family of automatic transmissions developed and produced by General Motors. These transmissions mate a three-element turbine torque converter to a Simpson planetary geartrain, providing three forward speeds plus reverse.
Ford-O-Matic was the first automatic transmission widely used by Ford Motor Company. It was designed by the Warner Gear division of Borg Warner Corporation and introduced in 1951 model year cars, and was called the Merc-O-Matic when installed in Mercury branded cars and Turbo-Drive when installed in Lincoln branded cars. In contrast to Detroit Gear Division's three band automatic originally designed for Studebaker which became superseded by this unit, a variation of Warner Gear's three-speed unit named Ford-O-Matic continued to evolve later into Cruise-O-Matic named transmissions in 1958 and finally the FMX named transmissions in 1968. This line continued in production until 1980, when the AOD was introduced. Like Ford, variations of this same Borg Warner design were used by other automobile manufacturers as well, such as AMC, International Harvester, Studebaker, Volvo and Jaguar, each of them having the necessary unique adaptations required for the individual applications.
The Ford C6 is a heavy-duty automatic transmission built by Ford Motor Company between 1966 and 1996. It was marketed as the "SelectShift Cruise-O-Matic". Compared to its predecessor MX transmission, the C6 offered lower weight, less complexity, less parasitic power loss, and greater torque capacity for larger engines. It did this without exceeding the packaging dimensions of the MX. These design goals were in line with those of the C4 for smaller engines. It was given the name "SelectShift" because if the transmission was placed in first or second gear, the transmission would use only the gear selected, whether from a standing stop or in motion. This was very helpful when driving in limited traction situations, where the torque of the engine would gradually move the vehicle, or if engine braking was needed on a downward incline. Once the transmission was placed in third, all three gears would be used in a normal fashion.
The Mercury Marquis is a model line of automobiles that was marketed by Mercury from 1967 to 1986. Deriving its name from a French nobility title, the Marquis was introduced as the divisional counterpart of the Ford LTD; four generations of the two model lines were paired through rebranding. Initially slotted as the flagship Mercury full-size range, the Marquis would serve as the basis for the later Mercury Grand Marquis.
The AXOD was a 4-speed automatic transaxle for transverse front wheel drive automobiles from the Ford Motor Company. It was introduced in the 1986 Ford Taurus/Mercury Sable. The AXOD and its successors are built in Ford's Van Dyke Transmission plant in Sterling Heights, Michigan. Production of the final member of the family, the 4F50N, ended in November 2006.
The Ford C3 transmission and its descendants are a family of light-duty longitudinal automatic transmissions built by the Ford Motor Company.
The AOD is a four-speed automatic transmission, with the 4th gear as overdrive. Introduced in 1980, it was Ford's first four-speed automatic overdrive transmission. The gearset design is based on the Ford "X" automatic transmissions used during the 1950s, '60s, and '70s. The AOD replaced many of Ford's older transmissions such as the C4, C5, and light duty applications of the FMX.
The Continental Mark VI is a full-size luxury car that was produced by Ford Motor Company from 1980 to 1983. The fifth generation of the Mark series, the Continental Mark VI introduced several changes to the model line. Again marketed and serviced by the Lincoln-Mercury division, the Mark VI served as the flagship of the entire Ford Motor Company model line, slotted above the Lincoln Town Car.
Vehicles made by American Motors Corporation (AMC) and Jeep incorporated a variety of transmissions and transfer case systems. This article covers transmissions used in the following vehicle models and years:
The third-generation Mustang was produced by Ford from 1979 until 1993. Built on Ford’s Fox platform, it is commonly referred to as the Fox body Mustang. It evolved through several sub-models, trim levels, and drivetrain combinations during its production life. It underwent updates for the 1987 model year and seemed destined for replacement with a front-wheel drive Mazda platform. However, company executives were swayed by consumer opinion and the rear-wheel drive Mustang stayed, while the front-wheel drive version was renamed the Ford Probe. Enthusiasts group the generation into two segments: the 1979–1986 cars, with their quad headlight arrangement, and the 1987–1993 cars, with their aerodynamic composite headlamps and front fascia styling. Production ended with the introduction of the fourth-generation Mustang (SN-95) for the 1994 model year.
The Dana/Spicer Model 60 is an automotive axle manufactured by Dana Holding Corporation and used in OEM pickup and limited passenger car applications by Chevrolet, Dodge, Chrysler, Jeep, Ford and Land Rover. There are front and rear versions of the Dana 60. It can be readily identified by its straight axle tubes, 10 bolt asymmetrical cover, and a "60" cast into the housing. Gross axle weight ratings are often lowered by the vehicle manufacturer for safety and tire reasons. They are also lowered to reduce loads on other powertrain components such as transmissions and transfer cases. Dana 60 Axles are also increasingly swapped into many custom offroad applications to accommodate larger tires and deep compound gearing with locking differentials.
Mercon is the trade name for a group of technical specifications of automatic transmission fluid created by Ford. The name is a registered trademark of Ford, which licenses the name and specifications to companies that manufacture the fluid and sell it under their own brand names.
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