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David Brown 1200 Selectamatic

David Brown 1200 Selectamatic tractor
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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.
David Brown 1200 Selectamatictractor specsfarm tractordiesel engine72 hp6-speed transmission12-speed transmission4WD tractorSelectamatic hydraulics
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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