David Brown 4600 Selectamatic Specs ( 1968-1971 )
Production
| Description | Utility tractor / Built in Meltham Mills, Huddersfield, England |
|---|---|
| Manufacturer | David Brown |
| Original price | $4,600 (1971) |
Engine
| Engine type | David Brown 2.7L 3-cyl gasoline |
|---|---|
| Air cleaner | oil bath |
| Bore/Stroke | 3.939x4.500 inches (100 x 114 mm) |
| Compression | 7.5:1 |
| Coolant capacity | 11 qts (10.4 L) |
| Description | David Brown / gasoline / 3-cylinder / liquid-cooled |
| Displacement | 164.4 ci (2.7 L) |
| Oil capacity | 6.75 qts (6.4 L) |
| Operating RPM | 700-2200 |
| Rated RPM | 2200 |
| Starter volts | 12 |
| Torque | 140 lb-ft (189.8 Nm) |
| Torque RPM | 1400 |
| Drawbar (tested) | 38.34 hp (28.6 kW) |
| PTO (claimed) | 46 hp (34.3 kW) |
| PTO (tested) | 46.05 hp (34.3 kW) |
Transmission
| Clutch | dry disc / dry disc |
|---|---|
| Gears | 6 forward and 2 reverse / 12 forward and 4 reverse |
| Oil capacity | 24 qts (22.7 L) / 24 qts (22.7 L) |
| Type | gear / gear |
| Transmission type | 6-speed gear / 12-speed gear |
| Transmission type | 6-speed gear / 12-speed gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Expanding shoe brakes |
| Differential lock | rear diff lock standard |
| Drive type | Two-wheel drive |
| Final drives | spur gear |
| Steering | manual |
Capacity
| Fuel | 13.75 gal (52.0 L) |
|---|---|
| Hydraulic system | 6 gal (22.7 L) |
Hydraulics
| Capacity | 6 gal (22.7 L) |
|---|---|
| Pressure | 2000 psi (137.9 bar) |
| Pump flow | 7.3 gpm (27.6 lpm) |
| Type | Selectamatic |
| Valves | 0 to 2 |
Hitch
| Control | position and draft control |
|---|---|
| Rear lift (at ends) | 1800 lbs (working) (816 kg) |
| Rear Type | II/I |
PTO
| Engine RPM | 540@1823 |
|---|---|
| Rear PTO | live |
| Rear PTO Type | 540/1000 |
Dimensions & Tires
| Ag front | 6.00-16 / 7.50-16 |
|---|---|
| Ag rear | 14.9/13-28 |
| Ballasted weight | 6750 lbs (3061 kg) |
| Clearance (drawbar) | 14.25 inches (36 cm) |
| Clearance (front axle) | 19.75 inches (50 cm) |
| Front tread | 52 to 72 inches (132 to 182 cm) |
| Height (hood) | 54 inches (137 cm) |
| Length | 121.5 inches (308 cm) |
| Operating weight | 4300 lbs (1950 kg) |
| Rear tread | 52 to 80 inches (132 to 203 cm) / 60 to 80 inches (PAVT) (152 to 203 cm) |
| Wheelbase | 79.75 inches (202 cm) |
| Width | 68.375 inches (min) (173 cm) |
| Front tire | 6.00-16 |
| Rear tire | 14.9/13-28 |
| Weight | 4300 lbs (1950 kg) |
| Wheelbase | 79.75 inches (202 cm) |
4600 Serial Numbers
| 1969 | 900001 |
|---|---|
| 1970 | 900312 |
| 1971 | 900422 |
| Description | FAQ: How to read a serial number table. |
Nebraska Tractor Test 1019
| Description | Gasoline 6-speed 2WDSeptember 2 - 11, 1969Link: Nebraska Tractor Test 1019 file / PTO performance / Drawbar performance / Gear 3 used for power test. / Gear 1 used for pull test. |
|---|---|
| Fuel use | 4.0 gal/hour (15.1 l/hour) / 3.7 gal/hour (14.0 l/hour) / 4.0 gal/hour (15.1 l/hour) |
| Max power | 38.34 hp (28.6 kW) |
| Max pull | 5421 lbs (2458 kg) |
| Power at rated engine speed | 46.05 hp (34.3 kW) |
| Power at rated PTO speed | 43.17 hp (32.2 kW) |
References
| Description | 4600 Gasoline published by David Brown |
|---|