David Brown 25-50D
The first David Browns brought to Finland were the Cropmaster model manufactured between 1947 and 1953. Its successor, the updated 25, was introduced in 1953. The power of these models was approximately 37 hp for the gasoline version, and about 30 hp for the petrol version and the direct injection diesel version. The 25 featured a simple power take-off system, a 2-speed PTO, and a foot throttle. The transmission was 6+2, as in later models as well. In addition to these models, a 15-horsepower utility machine carrier, the 2D, was sold here. On the other hand, the more powerful version of the 25D, the 30D, and especially the 6-cylinder 50-horsepower 50D remained rare in Finland.
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| Model | David Brown 25D | David Brown 30D | David Brown 50D |
|---|---|---|---|
| Options | |||
| Manufacturer name | David Brown | David Brown | David Brown |
| Imported to Finland | Yes | Yes | Yes |
| Years | 1953-56 | 1953-56 | 1953-57 |
| First year sold | 1953 | 1953 | 1953 |
| Last year sold | 1956 | 1956 | 1957 |
| Engine model | AD4/25 | CAD4/3 | - |
| Cyl/Turbo/Intercooler | 4 | 4 | 6 |
| Displacement | 2523 cm³ | 2706 cm³ | 4059 cm³ |
| Bore x stroke | 88,9×101,6 mm | 92,1×101,6 mm | 92,1×101,6 mm |
| Rated power hp/rpm DIN | 32SAE/1800 | 38SAE/2000 | 50SAE/1600 |
| Rated speed | 1800 | 2000 | 1600 |
| Gears | 6+2 | 6+2 | 6+2 |
| Speeds in km/h | 2,8-25,1 | 2,8-24,9 | 2,4-20,5 |
| Max. speed | 29.5 km/h | - | 21 km/h |
| Hydr. flow l/min | 36 l/min | 36 l/min | - |
| Lift controls | mech. | mech. | mech. |
| Lift capacity | 590 kg | 590 kg | - |
| PTO speeds | 540/885 | 540/885 | 540/1363 |
| Brakes | drum brakes | drum brakes | drum brakes |
| Steering | mech. | mech. | mech. |
| Turning circle m 2WD | 6.8 | 6.8 | 8 |
| Front tyres 2WD | 4.50-19 | 6.00-19 | 7.50-18 |
| Rear tyres 2WD | 11.2/10-28 | 12.4/11-28 | 16.9/14-30 |
| Weight 2WD | (1600) kg | (1750) kg | (2785) kg |
| Height with cab | (144) cm | (142) cm | (213) cm |
| Length (2WD/4WD) | 287 cm | 296 cm | 342 cm |
| Wheelbase (2WD/4WD) | 190 cm | 190 cm | 208 cm |
| Fuel tank | 52 l | 52 l | 66 l |
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