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The Ford Model TT is a truck made by Ford. It was based on the Ford Model T, but with a longer wheelbase, and a heavier frame and rear axle, giving it a rating of 1 short ton (0.91 t).

Ford Model TT
Overview
Manufacturer	Ford
Production	1917-1928
Designer	Henry Ford and Edsel Ford
Body and chassis
Class	Light commercial
Body style	2-door pickup truck 2-door panel truck 2-door canopy express 2-door box truck 2-door stake truck
Platform	TT chassis
Related	Ford Model T
Powertrain
Engine	201 CID (3.3 L) 4-cylinder inline
Transmission	4-speed manual and reverse
Dimensions
Wheelbase	131 in (3,327 mm) 157.5 in (4,000 mm)
Length	Varied by body style
Width	67 in (1,702 mm)
Height	Varied by body style
Curb weight	Varied by body style
Chronology
Successor	Ford Model AA

Production

When the first three units were produced in 1917, the Model TT was sold as a chassis with the buyer supplying a body. The price was $600. Starting in 1924, the truck was available with a factory-produced body. By 1926 the price had dropped to $325.[1] In 1925, a hand-operated windshield wiper was added.[2]

Military production

In his World Encyclopedia of Military Vehicles, author Pat Ware writes that: "During World War I, the Model T was ... standardized in the "light" class. The first truck, using a long-wheelbase chassis designated Model TT, was launched in 1917. Although Ford ... was a pacifist, he was ... happy to supply the US Army with more than 12,000 of these vehicles,..."[3] and: "There was no civilian production of the Model Ts between 1917 and 1918."

Further on, Ware writes: "The Model T was widely used by the US and British armies during World War I as a staff car, ambulance, van and cargo truck, even as an artillery tractor, for which application the truck was fitted with twinned rear tyres."[3] Many remained in service into the 1930s.

Below are the numbers of Model T trucks produced each year, not including Canadian production.[4]

Year	Production
1917	3
1918	41,105
1919	70,816
1920	53,787
1921	64,796
1922	154,039
1923	246,817
1924	259,118
1925	306,434
1926	213,914
1927	74,335

Drivetrain

The rear axle of the TT has a worm drive[1] and crown wheel, unlike the Model T's crown wheel and pinion. The worm is located at the end of the drive shaft and above the crown wheel. The wheelbase of the Model TT is 125 inches (3,175 mm), compared to 100 inches (2,540 mm) for the Model T. It was often equipped with an accessory gearbox, such as the Ruckstell or Jumbo gearboxes, which allow the truck to have intermediate gears between low and high, useful for hill climbing.

The Model TT was very durable for the time, but slow when compared to other trucks.[5] With standard gearing, a speed of not more than 15 mph (24 km/h) was recommended, and with special gearing, a speed of not more than 22 mph (35 km/h) was recommended.[6] Standard worm gear ratio is 7.25:1, and special gearing gives a ratio of 5.17:1. Because of this, accessory catalogs offered items to help give the Model TT more power.[7]

It was replaced by the Ford Model AA truck in 1928.[8]

• 
  1926 Model TT tank truck
• 
  Ford TT used as a bus in Skanör, Sweden in 1920
• 
  Blue Bird school bus built on a 1927 Ford Model TT

References

Bibliography

Gunnell, John A. (2003). Standard Catalog of American Light-Duty Trucks. Iola, Wisconsin: Krause Publications. ISBN 0-87341-238-9.

External links

• Ford Model TT brochure from 1923

На других языках

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- [en] Ford Model TT

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[fr] Ford Model TT

Le Ford Model TT est un camion fabriqué par Ford. Il était basé sur la Ford T, mais avec un châssis et un essieu arrière plus lourds, ce qui lui donnait une cote de 1 tonne courte (0,91 tonne).

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[it] Ford Model TT

Il Model TT era un autocarro dalla capacità di circa 900 kg realizzato dalla Ford a partire dalla Model T. Il telaio era stato rinforzato ed era stato montato un nuovo assale posteriore. Di solito veniva venduto come base sulla quale poi allestire il veicolo a seconda delle necessità. La produzione iniziò intorno agli anni venti ma la produzione in massa di questo mezzo fu effettuata tra il 1925 e il 1927. All'inizio il costo di acquisto era di 600 dollari che scesero a 325 dollari [1] nel 1926. a partire dal 1924 il Ford Model TT poteva essere acquistato già allestito direttamente dalla fabbrica. Nel 1925 furono installati i tergicristalli ad azionamento manuale [2].

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[ru] Ford Model TT

Ford Model TT (русск. Форд Модэл ТиТи) — американский однотонный грузовик на базе легкового автомобиля Ford Model T, отличающийся более прочной рамой и усиленной задней осью с червячным приводом. Грузовик часто оснащали задним демультипликатором Ruckstell и прочими комплектующими, что позволяло ввести в коробку передач промежуточную передачу между нижней и верхней, что было необходимо при езде на подъём и пересеченной местности. Массовое конвейерное производство компанией Ford модели TT началось в 1925 году, хотя первые шасси Форд TT начали собирать ещё в 1917 году. Для своего времени это был очень прочный автомобиль, но весьма медлительный в сравнении с более современными аналогами. При стандартной коробке передач его рекомендуемая скорость была не более 15 миль/ч (24 км/ч), а со специальной 4-ступенчатой коробкой передач — не более 22 миль/ч (36 км/ч). Стандартным числом главной передачи было 7.25:1, а промежуточной — 5.17:1

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