David Brown
David Brown Cropmaster
The David Brown Cropmaster is a utility tractor produced from 1947 to 1953. It features a 2.5L 4-cylinder liquid-cooled kerosene engine producing 25 hp (18.6 kW). The tractor offers 4-speed and 6-speed gear transmission options with dry disc clutches. It has a wheelbase of 71.5 inches (181 cm), weighs 2950 lbs (1338 kg), and uses two-wheel drive with manual steering and mechanical drum brakes. The Cropmaster has an open operator station and uses rear type I hitch. Tire options include 6.00-19 and 26x5 steel front tires, and 9.00-28 and 42x10 steel rear tires.
Power25 hp
Founded1947 - 1953
ModelCropmaster
Technical Specifications
Detailed specifications and technical data for David Brown Cropmaster
Power
| Engine power | 25 hp (18.6 kW) |
|---|
Tires
| Ag rear | 9.00-28, 42x10 steel |
|---|---|
| Ag front | 6.00-19, 26x5 steel |
Engine
| Make | David Brown |
|---|---|
| Type | kerosene |
| Power | 25 hp (18.6 kW) |
| Cooling | liquid-cooled |
| Idle RPM | 600-2000 |
| Cylinders | 4-cylinder |
| Rated RPM | 2000 |
| Bore/Stroke | 3.50x4.00 inches (89 x 102 mm) |
| Displacement | 154 ci (2.5 L) |
Dimensions
| Width | 60.625 inches (153 cm) |
|---|---|
| Height | 55.25 inches (140 cm) |
| Length | 111.75 inches (283 cm) |
| Weight | 2950 lbs (1338 kg) |
| Wheelbase | 71.5 inches (181 cm) |
| 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) |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical drum brakes |
| Steering | manual |
| Operator station | Open operator station |
Production
| Type | Utility tractor |
|---|---|
| Variants | VAD1C diesel |
| Years produced | 1947 - 1953 |
Transmission
| Type | gear |
|---|---|
| 4-speed | Gears4 forward and 1 reverse Clutchdry disc |
| 6-speed | Gears6 forward and 2 reverse Clutchdry disc DetailsThree gears (1-3) plus reverse (R) in two ranges (low/high) |
| Options | 4-speed gear, 6-speed gear |
Tractor hitch
| Rear Type | I |
|---|
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