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Years in Production / 1937–1958
Cletrac
DD
Explore the specifications, hardware, and original references for the Cletrac DD.
No photo
70hp
Engine estimate · from belt
Tracks
Drive
1937–1958
Production years
Cletrac
Manufacturer
DD / 01
At a glance
Production
Agricultural Crawler tractor
Built in Cleveland, Ohio, USA
- Manufacturer
- Cletrac (a part of Oliver)
- Total Built
- 5,624
Mechanical
Open operator station.
- Drive
- crawler
DD / 02
Under the hood
Engine Detail
Hercules DRXB
diesel
6-cylinder
liquid-cooled vertical I-head
- Displacement
- 474 ci7.8 L
- Bore Stroke
- 4.375x5.25 inches111 x 133 mm
- Air Cleaner
- Vortox oil bath
- Compression Ratio
- 15:1
- Rated Rpm
- 1300
- Starter Volts
- 24
- Coolant Capacity
- 41 qts38.8 L
- Fuel Type
- diesel
- Cylinders
- 6
- Cooling
- liquid-cooled vertical I-head
Engine Options
Hercules 7.8L 6-cyl diesel
- Fuel Tank
- 30 gal113.6 L
DD / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 4 forward and 2 reverse
- Clutch
- dry disc
DD / 04
Size. Stance. Footprint.
Tires And Tracks
Tracks
- Weight
- 13300 lbs6032 kg
DD / 05
Tests (NTTL)
Nebraska Tractor Test 436
Diesel 4-speed crawlerNovember 8 - 22, 1949
Drawbar performance
Gear 3 used for power test.
Gear 1 used for pull test.
- Id
- 436
- Belt Power Max
- 73.3 hp54.7 kW
- Belt Fuel Use Max
- 4.7 gal/hour17.8 l/hour
- Max Power
- 58.81 hp43.9 kW
- Max Pull
- 14735 lbs6683 kg