1968 - 1971 |
Utility tractor |
Series: | 3800 Selectamatic | → 4600 |
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 |
power test details ... |
David Brown 3800 Engine | |
David Brown 2.4L 3-cyl gasoline | |
Engine details ... |
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 | |
Transmission details ... |
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 |
Dimensions & Tires | |
Wheelbase: | 76 inches 193 cm |
Weight: | 3885 lbs 1762 kg |
Front tire: | 6.00-16 |
Rear tire: | 13.6/12-28 |
Full dimensions and tires ... |
1968 - 1971 |
Utility tractor |
Series: | 3800 ← | 4600 Selectamatic |
Nebraska Tractor Test 1019 | |||
|
Nebraska Tractor Test 1019 | |
Gasoline 6-speed 2WD September 2 - 11, 1969 Link: Nebraska Tractor Test 1019 file | |
PTO performance | |
Power at rated engine speed: | 46.05 hp 34.3 kW |
Fuel use: | 4.0 gal/hour 15.1 l/hour |
Power at rated PTO speed: | 43.17 hp 32.2 kW |
Fuel use: | 3.7 gal/hour 14.0 l/hour |
Drawbar performance | |
Max power: | 38.34 hp 28.6 kW |
Fuel use: | 4.0 gal/hour 15.1 l/hour |
Gear 3 used for power test. | |
Max pull: | 5421 lbs 2458 kg |
Gear 1 used for pull test. |
1968 - 1971 |
Utility tractor |
Series: | 3800 ← | 4600 Selectamatic |
Engine Detail | |
David Brown | |
gasoline | |
3-cylinder | |
liquid-cooled | |
Displacement: | 164.4 ci 2.7 L |
Bore/Stroke: | 3.939x4.500 inches 100 x 114 mm |
Air cleaner: | oil bath |
Compression: | 7.5:1 |
Rated RPM: | 2200 |
Operating RPM: | 700-2200 |
Torque: | 140 lb-ft 189.8 Nm |
Torque RPM: | 1400 |
Starter volts: | 12 |
Oil capacity: | 6.75 qts 6.4 L |
Coolant capacity: | 11 qts 10.4 L |
1968 - 1971 |
Utility tractor |
Series: | 3800 ← | 4600 Selectamatic |
Transmissions overview | |
6-speed gear | |
12-speed gear |
Transmission | |
Type: | gear |
Gears: | 6 forward and 2 reverse |
Clutch: | dry disc |
Oil capacity: | 24 qts 22.7 L |
Speeds | |
Transmission | |
Type: | gear |
Gears: | 12 forward and 4 reverse |
Clutch: | dry disc |
Oil capacity: | 24 qts 22.7 L |
1968 - 1971 |
Utility tractor |
Series: | 3800 ← | 4600 Selectamatic |
David Brown 4600 Tires | |
Ag front: | 6.00-16 |
Ag rear: | 14.9/13-28 |
Ag front: | 7.50-16 |
Dimensions | |
Wheelbase: | 79.75 inches 202 cm |
Length: | 121.5 inches 308 cm |
Width: | 68.375 inches 173 cm (min) |
Height (hood): | 54 inches 137 cm |
Operating weight: | 4300 lbs 1950 kg |
Ballasted weight: | 6750 lbs 3061 kg |
Clearance (front axle): | 19.75 inches 50 cm |
Clearance (drawbar): | 14.25 inches 36 cm |
Front tread: | 52 to 72 inches 132 to 182 cm |
Rear tread: | 52 to 80 inches 132 to 203 cm |
Rear tread: | 60 to 80 inches 152 to 203 cm (PAVT) |