David Brown 50D utility tractor: review and specs

The David Brown 50D is a 2WD tractor manufactured by David Brown from 1953 to 1958. The David Brown 50D is equipped with a 4.1 L (248.1 cu·in) six-cylinder diesel engine and a gear-type transmission with dry disc clutch and 6 forward and 2 reverse gears.

The David Brown 50D utility tractor used the David Brown engine. It is a 4.1 L, 4,065 cm², (248.0 cu·in) six-cylinder natural aspirated diesel engine with 92.0 mm (3.62 in) of the cylinder bore and 102.0 mm (4.02 in) of the piston stroke. The compression ratio rating is 16.0:1. This engine produced 50.7 PS (37.3 kW; 50.0 HP) at 1,800 rpm of output power.

The David Brown 50D is equipped with manual steering, mechanical drum brakes, open operator station, and 55.0 liters (14.5 US gal.; 12.1 Imp. gal) fuel tank.

David Brown 50D Specifications

General Specifications
Model	David Brown 50D
Length	3,420 mm (134.6 in)
Width	1,870 mm (73.6 in)
Height	1,650 mm (65 in)
Wheel base	2,070 mm (81.5 in)
Ground clearance	330 mm (13 in)
Weight	2,780 kg (6,129 lbs)
Fuel tank capacity	55.0 liters (14.5 US gal.; 12.1 Imp. gal)
Battery
Cabin type	Open operator station
Engine
Engine model	David Brown
Engine type	Four-stroke, liquid-cooled, inline
Cylinders	6
Fuel type	Diesel
Displacement	4.1 L, 4,065 cm², (248.0 cu·in)
Bore and stroke	92.0 mm X 102.0 mm (3.62 in X 4.02 in)
Compression ratio	16.0:1
Horsepower	50.7 PS (37.3 kW; 50.0 HP) at 1,800 rpm
Starter	Electric
Oil capacity:	10.4 L (11 US. qt, 9.2 Imp. qt.)
Coolant capacity:	18.9 L (20 US. qt, 16.6 Imp. qt.)

Transmission and chassis
Chassis	4×2 2WD
Steering type	Manual
Brakes	Mechanical drum
Transmission model	–
Transmission type	Gear type with dry disc clutch
Gears	6 forward and 2 reverse
Speed	Forward: 20.6 kmh (12.8 mph) Reverse: 9.4 (5.8 mph)
Transmission oil capacity	22.7 L (6 US. gal, 5 Imp. gal.)
Tires
Front tires	Ag: 7.50-18
Rear tires	Ag: 14-30

PTO (Power take-off shaft)
Rear PTO type	–
Rear PTO speed	540 rpm

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