Ford Model TT

1925 Model TT Truck
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 chassis

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

Production

When first 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]

Below are the numbers of Model T trucks produced each year, not including Canadian production.[3]

YearProduction
19173
191841,105
191970,816
192053,787
192164,796
1922154,039
1923246,817
1924259,118
1925306,434
1926213,914
192774,335

Drivetrain

1926 Ford Model TT truck engine at Campbell County Rockpile Museum in Gillette, Wyoming

The rear axle of the TT had a worm drive[4] and crown wheel, unlike the Model T's crown wheel and pinion. The worm was located at the end of the drive shaft and above the crown wheel. The wheelbase of the Model TT was 125 inches (320 cm), compared to 100 inches (250 cm) for the Model T. It was often equipped with an accessory gearbox, such as the Ruckstell or Jumbo gearboxes, which allowed 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 was 7.25:1, and special gearing gave 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]

References

  1. ↑ Gunnell 2003, p. 6.
  2. ↑ Gunnell 2003, p. 37.
  3. ↑ "Ford Production". Model T Ford Club of America. Retrieved 2015-03-25.
  4. ↑ Gunnell 2003, p. 6.
  5. ↑ "1924 Ford Model T Truck". Texas Transportation Museum. Retrieved 2015-03-25.
  6. ↑ "1923 Ford Dealers Data Book". Model T Ford Club of America. Retrieved 2015-03-25.
  7. ↑ Brooke, Lindsay (2008). Ford Model T: the Car that Put the World on Wheels. Motorbooks. ISBN 978-0-7603-2728-9.
  8. ↑ Gunnell 2003, p. 40–41.

Bibliography

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

Ford Model TT brochure from 1923

Ford Motor Company vehicle timeline, North American market, 1903–1942 — next »
Type 1900s 1910s 1920s 1930s 1940s
3456789 0123456789 0123456789 0123456789 012
Chassis Various Model T Model A 1932 Ford 1935 Ford 1937 Ford 1941 Ford
Runabout Model A
Model AC
Model C
Touring Model B Model F
Model K Model T
Model N
Model R
Model S
Full-size Model T Model A Model B Model 18 Model 40 Model 48 Standard Standard
De Luxe Deluxe
Pickup Truck Model TT Model AA Model BB Model 48 Standard Standard
Model T Model A Model B Model 18 Model 40 De Luxe Deluxe
Bus Transit Bus
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