David Brown 3800 Selectamatic
Type: Utility Tractors
Contents:
Production | |
| Manufacturer: | David Brown |
| Type: | Utility tractor |
| Factory: | Meltham Mills, Huddersfield, England |
| Original price: | $4,000 (1971) |
David Brown 3800 Power | |
| PTO (claimed): | 39 hp 29.1 kW |
| Drawbar (tested): | 32.13 hp 24.0 kW |
| PTO (tested): | 39.16 hp 29.2 kW |
Mechanical | |
| Chassis: | 4x2 2WD |
| Final drives: | spur gear |
| Differential lock: | rear diff lock standard |
| Steering: | manual |
| power-assist optional | |
| Brakes: | mechanical shoe |
| Cab: | Open operating station. |
| Transmissions: | 6-speed gear |
| 12-speed gear | |
Capacity | |
| Fuel: | 9.5 gal 36.0 L |
| Hydraulic system: | 6 gal 22.7 L |
Hydraulics | |
| Type: | Selectamatic |
| Capacity: | 6 gal 22.7 L |
| Pressure: | 2000 psi 137.9 bar |
| Pump flow: | 7.3 gpm 27.6 lpm |
Tractor hitch | |
| Rear Type: | I |
| Control: | position and draft control |
| Rear lift (at ends): | 1600 lbs 725 kg (working) |
| 1950 lbs 884 kg (static) | |
Power Take-off (PTO) | |
| Rear PTO: | live |
| Rear RPM: | 540/1000 |
Engine Detail | |
| David Brown | |
| gasoline | |
| 3-cylinder | |
| liquid-cooled | |
| Displacement: | 146.1 ci 2.4 L |
| Bore/Stroke: | 3.939x4.000 inches 100 x 102 mm |
| Air cleaner: | oil bath |
| Compression: | 6.75:1 |
| Rated RPM: | 2200 |
| Operating RPM: | 700-2200 |
| Torque: | 115 lb-ft 155.9 Nm |
| Torque RPM: | 1400 |
| Starter volts: | 12 |
| Oil capacity: | 6.75 qts 6.4 L |
| Coolant capacity: | 9 qts 8.5 L |
Dimensions | |
| Wheelbase: | 76 inches 193 cm |
| Length: | 115.625 inches 293 cm |
| Width: | 64.5 inches 163 cm (min) |
| Height (hood): | 51.25 inches 130 cm |
| Operating weight: | 3885 lbs 1762 kg |
| Ballasted weight: | 5835 lbs 2646 kg |
| Clearance (front axle): | 17.5 inches 44 cm |
| Clearance (drawbar): | 11.75 inches 29 cm |
| Front tread: | 48 to 72 inches 121 to 182 cm |
| Rear tread: | 48 to 76 inches 121 to 193 cm |
| Rear tread: | 60 to 80 inches 152 to 203 cm (PAVT) |
