Cletrac BD

The Cletrac BD is a tractor produced by Cletrac. It is equipped with a 298 ci 4.9 L engine. The rated power output is 45.37 hp 33.8 kW. Transmission: 4 forward and 2 reverse. Drive type: crawler. Operating weight: 9400 lbs 4263 kg.

Overview

	1936 - 1956 Agricultural Crawler tractor
1936 - 1956
Agricultural Crawler tractor

Production
Manufacturer	Cletrac
Agricultural Crawler tractor
Built in Cleveland, Ohio, USA

Variants
BG	gasoline
BD	diesel
BDH	hillside

Cletrac BD Engine
Hercules 4.9L 6-cyl diesel
Engine details ...

Cletrac BD Transmission
4-speed gear
Transmission details ...

Cletrac BD Power
Drawbar (claimed)	38.1 hp 28.4 kW
Belt (claimed)	48.1 hp 35.9 kW
Plows	4
Drawbar (tested)	36.07 hp 26.9 kW
Belt (tested)	45.37 hp 33.8 kW
Performance test details ...

Mechanical
Drive	crawler
Open operator station.

Dimensions & Tracks
Weight	9400 lbs 4263 kg
14-inch tracks
Full dimensions and tracks ...

Belt Pulley
Diameter	12 inches 30 cm
Width	8.5 inches 21 cm
RPM	1045
Speed	3300 ft/min 1005.84 meters/min

Engine

Engine Detail — 298 ci / 4.9 L Diesel

Manufacturer	Hercules
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled
Displacement	298 ci 4.9 L
Bore/Stroke	3.75x4.50 inches 95 x 114 mm
Rated RPM	1400
Starter type	electric

Transmission

Transmission — 4 forward and 2 reverse gear

Type	gear
Gears	4 forward and 2 reverse
Clutch	dry disc

Dimensions

Cletrac BD Tracks
Width	14 inches 35 cm
Width	16 inches 40 cm
Width	18 inches 45 cm
Width	20 inches 50 cm

Dimensions
Length	116.5 inches 295 cm
Width	60.125 inches 152 cm
Height	59 inches 149 cm
Weight	9400 lbs 4263 kg
BD Gauge	44 inches 111 cm
BDH Gauge	52 inches 132 cm

Tests

Nebraska Tractor Test 325
Diesel 4-speed crawler August 10 - 30, 1939 Link: Nebraska Tractor Test 325 file
Belt power (max)	45.37 hp 33.8 kW
Belt fuel use (max)	3.5 gal/hour 13.2 l/hour
Drawbar performance
Max power	36.07 hp 26.9 kW
Gear 2 used for power test.
Max pull	7530 lbs 3415 kg
Gear 1 used for pull test.

Photos

Cletrac BD tractor photo