Cletrac DD tractor specifications

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

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

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

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

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

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...