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Twin-Traction Beam (TTB) is an
Twin-Traction Beam (TTB) is an independent suspension
Independent suspension is any automobile suspension system that allows each wheel on the same axle to move vertically (i.e. reacting to a bump on the road) independently of the others. This is contrasted with a beam axle or deDion axle system i ...
system for front drive axles in four-wheel drive
Four-wheel drive, also called 4×4 ("four by four") or 4WD, refers to a two-axled vehicle drivetrain capable of providing torque to all of its wheels simultaneously. It may be full-time or on-demand, and is typically linked via a transfer ca ...
Ford
Ford commonly refers to:
* Ford Motor Company, an automobile manufacturer founded by Henry Ford
* Ford (crossing), a shallow crossing on a river
Ford may also refer to:
Ford Motor Company
* Henry Ford, founder of the Ford Motor Company
* Ford F ...
F-Series trucks and sport utility vehicles
A sport utility vehicle (SUV) is a car classification that combines elements of road-going passenger cars with features from off-road vehicles, such as raised ground clearance and four-wheel drive.
There is no commonly agreed-upon definition ...
.
Background
Twin-Traction Beam was invented by John A. Richardson and Donald G. Wheatley of Ford Motor Company covered by US patent 3,948,337 issued April 6, 1976. The patent name was “Independent front suspension for front-wheel drive” which was assigned to Ford Motor Company. TheDana Holding Corporation
Dana Incorporated is an American supplier of axles, driveshafts, transmissions, and electrodynamic, thermal, sealing, and digital equipment for conventional, hybrid, and electric-powered vehicles. The company's products and services are aimed a ...
manufactured the TTB axle for Ford. It uses a universal joint
A universal joint (also called a universal coupling or U-joint) is a joint or coupling connecting rigid shafts whose axes are inclined to each other. It is commonly used in shafts that transmit rotary motion. It consists of a pair of hinges ...
in the center that allows the wheels to move independently of each other. The differential is offset to the driver's side, and a slip yoke is used on the long axle side to allow the shaft to change length. The TTB axles are variations of the Dana 28, Dana 35
The Dana/Spicer Model 35 is an automotive axle. It has been manufactured by Dana Holding Corporation since 1985 when American Motors (AMC) sold its axle tooling equipment to Dana. The axle was named AMC-15 when it was first made in 1962. Dana upg ...
, Dana 44
The Dana 44 is an automotive axle manufactured by Dana Holding Corporation and is used among automobile manufacturers and in the automotive aftermarket
The automotive aftermarket is the secondary market of the automotive industry, concerned wit ...
, and Dana 50
The Dana/Spicer Model 50 was an automotive axle manufactured by the Dana Holding Corporation for 25 years and was used solely in OEM Ford applications. Dana 50's were made as front axles only until it was revived in rear solid axle configuration i ...
.
Applications
Common applications include: *1980–1997 F-150/F-250 *1991–1994Ford Explorer
The Ford Explorer is a range of SUVs manufactured by Ford Motor Company since the 1991 model year. The first four-door SUV produced by Ford, the Explorer was introduced as a replacement for the two-door Bronco II. Within the current Ford lig ...
*1984–1990 Ford Bronco II
The Ford Bronco II is a compact sport utility vehicle (SUV) that was manufactured by the American manufacturer Ford. Closely matching the first-generation Ford Bronco in size, the Bronco II was sold for the 1984 to 1990 model years, alongs ...
*1980–1996 Ford Bronco
The Ford Bronco is a model line of sport utility vehicles manufactured and marketed by Ford. The first SUV model developed by the company, five generations of the Bronco were sold from the 1966 to 1996 model years. A sixth generation of the m ...
*1983–1997 Ford Ranger (North America)
The Ford Ranger is a range of pickup trucks manufactured and marketed by Ford in North and South America under the Ranger nameplate. Introduced in early 1982 for the 1983 model year, the Ranger is currently in its fourth generation. Developed a ...
*1993-1997 Mazda B series
*1991-1993 Mazda Navajo
See also
*Corvette leaf spring A Corvette leaf spring is a type of independent suspension that utilizes a fiber-reinforced plastic (FRP) mono-leaf spring instead of more conventional coil springs. It is named after the Chevrolet Corvette, the American sports car for which it was ...
*MacPherson strut
The MacPherson strut is a type of automotive suspension system that uses the top of a telescopic damper as the upper steering pivot. It is widely used in the front suspension of modern vehicles, and is named for American automotive engineer Earl ...
*Torsion beam suspension
The twist-beam rear suspension (also torsion-beam axle, deformable torsion beam or compound crank) is a type of automobile suspension based on a large H or C-shaped member. The front of the H attaches to the body via rubber bushings, and the r ...
*Weissach axle The Weissach axle (pronounced 'Vise-' as in 'advise' and '-ach' with guttural 'ch') is a rear suspension arrangement first used in the Porsche 928 (1978) and echoed in subsequent production models. The fully developed version was used in a Porsche ...
– a variant of Double wishbone suspension with a short link at the front pivot bushing of the lower A-arm
References
{{Dana Corporation Automotive suspension technologies