David Brown
David Brown 1200 Selectamatic
The David Brown 1200 Selectamatic is a farm tractor produced from 1967 to 1971 by David Brown in Meltham Mills, Huddersfield, England. It features a 3.6L 4-cylinder diesel engine producing 72 hp gross, with a fuel tank capacity of 21.7 gallons. Transmission options include 6-speed and 12-speed gearboxes with dry disc clutches. The tractor offers 2WD and optional 4WD starting in 1970, with an open operator station. Hydraulics use the Selectamatic system with a pump flow of 6.86 gpm. The rear hitch is category II with a working lift capacity of 2200 lbs and rated at 3450 lbs. PTO options include independent rear PTO with 540 or 540/1000 rpm. Dimensions vary between 2WD and 4WD models, with wheelbases of 89 and 87 inches respectively, and weights from 6230 to 6690 lbs. Tires and clearances differ between configurations. The tractor was originally priced at $6,700 in 1971.
Power-
Founded-
Model1200 Selectamatic
Technical Specifications
Detailed specifications and technical data for David Brown 1200 Selectamatic
Power
| PTO (tested) | 65.23 hp (48.6 kW) |
|---|---|
| PTO (claimed) | 64.6 hp (48.2 kW) |
| Engine (gross) | 72 hp (53.7 kW) |
| Drawbar (tested) | 54.76 hp (40.8 kW) |
Engine
| Type | David Brown 3.6L 4-cyl diesel |
|---|---|
| Fuel tank | 21.7 gal (82.1 L) |
| Rated RPM | 2300 |
| Bore/Stroke | 3.94x4.50 inches (100 x 114 mm) |
| Displacement | 219.4 ci (3.6 L) |
| Oil capacity | 7.8 qts (7.4 L) |
| Operating RPM | 700-2300 |
| Power (gross) | 72 hp (53.7 kW) |
| Starter volts | 12 |
| Coolant capacity | 14.4 qts (13.6 L) |
Height
| Cab | 100 inches (254 cm) |
|---|---|
| 2WD Exhaust | 90 inches (228 cm) |
| 4WD Exhaust | 93 inches (236 cm) |
| 2WD Steering wheel | 68 inches (172 cm) |
| 4WD Steering wheel | 71 inches (180 cm) |
Hydraulics
| Type | Selectamatic |
|---|---|
| Pump flow | 6.86 gpm (26.0 lpm) |
Mechanical
| Drive | 4x2 2WD, 4x4 MFWD 4WD (Four-wheel drive became an option in 1970) |
|---|---|
| Operator station | Open operator station |
Production
| Built in | Meltham Mills, Huddersfield, England |
|---|---|
| Manufacturer | David Brown |
| Original price | $6,700 in 1971 |
| Production years | 1967 - 1971 |
Transmission
| Type | gear |
|---|---|
| Clutch | dry disc |
| Oil capacity | 43.3 qts (41.0 L) |
| Gears (6-speed) | 6 forward and 2 reverse |
| Gears (12-speed) | 12 forward and 4 reverse |
| Transmission options | 6-speed gear, 12-speed |
Tractor hitch
| Rear Type | II |
|---|---|
| Rear lift (rated) | 3450 lbs (1564 kg) |
| Rear lift (working) | 2200 lbs (997 kg) |
Serial Numbers
| 1967 | 700001 |
|---|---|
| 1968 | 704433 |
| 1969 | 707958 |
| 1970 | 712203 |
| 1971 | 716091 |
| Location | Clutch housing |
Dimensions & Tires
| Length | 143 inches (363 cm) |
|---|---|
| 2WD Width | 70 inches (177 cm) |
| 4WD Width | 74 inches (187 cm) |
| Rear tire | 13.6-38 (2WD standard), 13.6-36 (4WD) |
| 2WD Weight | 6230 lbs (2825 kg) |
| 4WD Weight | 6690 lbs (3034 kg) |
| Front tire | 7.50-16 (2WD standard) |
| Rear tread | 56 to 80 inches (142 to 203 cm) |
| 2WD Wheelbase | 89 inches (226 cm) |
| 4WD Wheelbase | 87 inches (220 cm) |
| 4WD Front tire | 10-24 |
| 2WD Front tread | 52 to 72 inches (132 to 182 cm) |
| 2WD Clearance (drawbar) | 16.5 inches (41 cm) |
| 4WD Clearance (drawbar) | 15.9 inches (40 cm) |
| 2WD Clearance (front axle) | 21.4 inches (54 cm) |
| 4WD Clearance (front axle) | 14.2 inches (36 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Rear PTO Type | 540, 540/1000 |