DD by Cletrac

1937 - 1958

1937 - 1958 Agricultural Crawler tractor

Production

Production Manufacturer:Cletrac (a part of Oliver)
Type:Agricultural Crawler tractor
Factory:Cleveland, Ohio, USA
Total built:5,624

Variants

Variants DG:gasoline
DD:diesel

1936 - 1949

1936 - 1949
Agricultural Crawler tractor

Production

Production
Manufacturer:Cletrac (a part of Oliver)
Type:Agricultural Crawler tractor
Factory:Cleveland, Ohio, USA
Total built:1,715

Variants

Variants
DG:gasoline
DD:diesel

Cletrac DG Power

Cletrac DG Power
PTO (claimed):45.5 hp
33.9 kW
Belt (claimed):60.7 hp
45.3 kW
Drawbar (tested):59.39 hp
44.3 kW
Belt (tested):69.03 hp
51.5 kW
power test details ...

Cletrac DG Engine

Cletrac DG Engine
Hercules 8.7L 6-cyl gasoline
Fuel tank:30 gal
113.6 L
Engine details ...

Mechanical

Mechanical
Chassis:crawler
Cab:Open operator station.
Transmission:4-speed gear
Transmission details ...

Dimensions & Tracks

Dimensions & Tracks
Weight:12,500 lbs
5670 kg
tracks
Full dimensions and tracks ...

DG Serial Numbers

DG Serial Numbers
1936:1E00
1937:3E00
1938:3E68
1939:4E66
1940:7E68
1941:1E200
1942:1E364
1943:1E392
1944:1E464
1945:1E748
1946:2E356
1947:2E620
1948:2E852
1949:3E186
1950:3E298
1951:3E362
1952:3E402
1953:3500000
1954:00000
1955:3E502
1956:3E516

how to read serial numbers...

Cletrac DD Power

Cletrac DD Power Drawbar (claimed):45 hp
33.6 kW
Belt (claimed):63 hp
47.0 kW
Drawbar (tested):58.81 hp
43.9 kW
Belt (tested):73.3 hp
54.7 kW
power test details ...

1937 - 1958

1937 - 1958
Agricultural Crawler tractor

Nebraska Tractor Test 436

Nebraska Tractor Test 436
Diesel 4-speed crawler
November 8 - 22, 1949
Link: Nebraska Tractor Test 436 file
Belt power (max):73.3 hp
54.7 kW
Belt fuel use (max):4.7 gal/hour
17.8 l/hour
Drawbar performance
Max power:58.81 hp
43.9 kW
Gear 3 used for power test.
Max pull:14735 lbs
6683 kg
Gear 1 used for pull test.

Cletrac DD Engine

Cletrac DD Engine Hercules 7.8L 6-cyl diesel Fuel tank:30 gal
113.6 L
Engine details ...

1937 - 1958

1937 - 1958
Agricultural Crawler tractor

Engine Detail

Engine Detail
Hercules DRXB
diesel
6-cylinder
liquid-cooled vertical I-head
Displacement:474 ci
7.8 L
Bore/Stroke:4.375x5.25 inches
111 x 133 mm
Air cleaner:Vortox oil bath
Compression:15:1
Rated RPM:1300
Starter volts:24
Coolant capacity:41 qts
38.8 L

Mechanical

Mechanical Chassis:crawler
Cab:Open operator station.
Transmission:4-speed gear
Transmission details ...

1937 - 1958

1937 - 1958
Agricultural Crawler tractor

Transmission

Transmission
Type:gear
Gears:4 forward and 2 reverse
Clutch:dry disc

Speeds

Speeds

Dimensions & Tracks

Dimensions & Tracks Weight:13300 lbs
6032 kg
tracks Full dimensions and tracks ...

1937 - 1958

1937 - 1958
Agricultural Crawler tractor

Cletrac DD Tracks

Cletrac DD Tracks
Size:tracks

Dimensions

Dimensions
Length:128 inches
325 cm
Height:67 inches
170 cm
Weight:13300 lbs
6032 kg

DD Serial Numbers

DD Serial Numbers 1937:1L3000
1938:1L3736
1939:1L4220
1940:1L5222
1941:1L5644
1942:1L6332
1943:1L6560
1944:1L6820
1945:1L7422
1946:1L8012
1947:2L0194
1948:------
1949:2L2142
1950:2L3528
1951:2L4080
1952:2L5046
1953:3500000
1954:4500000
1955:3L226
1956:3L404
1957:3L498
1958:3L596

how to read serial numbers...

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