David Brown
David Brown Cropmaster Diesel
The David Brown Cropmaster Diesel is a utility tractor produced from 1949 to 1953. It features a 2.5L 4-cylinder liquid-cooled diesel engine producing 34 hp (25.4 kW). The tractor offers 4-speed and 6-speed gear transmission options with dry disc clutch. It is a two-wheel drive tractor with manual steering and mechanical drum brakes, designed with an open operator station. The tractor has a wheelbase of 71.5 inches, weighs 2950 lbs, and uses rear type I hitch. Tires include 6.00-19 front and 9.00-28 rear sizes, with steel options available.
Power34 hp
Founded1949 - 1953
ModelCropmaster Diesel
Technical Specifications
Detailed specifications and technical data for David Brown Cropmaster Diesel
Power
| Engine power | 34 hp (25.4 kW) |
|---|
Engine
| Type | diesel, 4-cylinder, liquid-cooled |
|---|---|
| Model | David Brown 2.5L 4-cyl diesel |
| Power | 34 hp (25.4 kW) |
| Idle RPM | 700-1800 |
| Rated RPM | 1800 |
| Bore/Stroke | 3.50 x 4.00 inches (89 x 102 mm) |
| Displacement | 154 ci (2.5 L) |
| Compression ratio | 15.9:1 |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical drum brakes |
| Steering | manual |
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Years produced | 1949 - 1953 |
Transmission
| Type | gear |
|---|---|
| Notes | Three gears (1-3) plus reverse (R) in two ranges (low/high) for 6-speed |
| Clutch | dry disc |
| Options | 4-speed gear, 6-speed gear |
| Gears (4-speed) | 4 forward and 1 reverse |
| Gears (6-speed) | 6 forward and 2 reverse |
Tractor hitch
| Rear Type | I |
|---|
Dimensions & Tires
| Width | 60.625 inches (153 cm) |
|---|---|
| Height | 55.25 inches (140 cm) |
| Length | 111.75 inches (283 cm) |
| Weight | 2950 lbs (1338 kg) |
| Rear tire | 9.00-28, 42x10 steel |
| Wheelbase | 71.5 inches (181 cm) |
| Front tire | 6.00-19, 26x5 steel |
| Rear tread | 48 to 67.5 inches (121 to 171 cm) |
| Front tread | 49.3 to 62.1 inches (125 to 157 cm) |
| Ground clearance | 16 inches (40 cm) |
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