David Brown 50TD tractor

David Brown 50TD

Power

50 hp

Production

1953-1958

Engine

Diesel, 6-cylinder

Transmission

Gear

From the same series:

30TD

Introduction

David Brown 50TD Agricultural Crawler Tractor

The David Brown 50TD is a crawler tractor produced between 1953 and 1958 at the Meltham Mills facility in Huddersfield, England. Part of the 30TD series, this machine was engineered for agricultural applications requiring high traction and stability on varied terrain.

Engine and Performance

The tractor is powered by a 6-cylinder, liquid-cooled diesel engine with a displacement of 248 cubic inches (4.1 liters). It produces 50 horsepower (37.3 kW) at a rated speed of 1800 RPM. The engine cooling system has a capacity of 19 quarts (18.0 liters), and the lubrication system holds 14.4 quarts (13.6 liters).

Transmission and Drivetrain

The 50TD utilizes a gear-driven transmission providing 6 forward and 2 reverse speeds. Power is transferred through a 304.8 mm (12-inch) dry disc clutch. The transmission oil capacity is 54 quarts (54.0 liters). As a crawler-type tractor, it is equipped with 14-inch tracks, which are essential for maintaining traction and reducing ground pressure in field conditions.

Power Take-Off and Operation

The tractor features a rear Power Take-Off (PTO) system operating at 540 RPM (1.375-inch shaft). This allows for the operation of various mounted or trailed implements. The operator station is of the open type, providing accessibility and visibility during field operations.

Physical Specifications

The David Brown 50TD has an operating weight ranging between 10,450 and 10,500 pounds. This mass, combined with the track configuration, ensures high stability for heavy-duty agricultural tasks.

Conclusion

The David Brown 50TD remains a representative example of mid-20th-century British agricultural engineering. Its crawler design and 50-horsepower engine make it suitable for primary tillage and heavy pulling tasks where traction is a priority over speed.

Production Information of David Brown, 50TD

  • Agricultural Crawler tractor
  • Built in Meltham Mills, Huddersfield, England
ManufacturerDavid Brown

Engine Specifications of David Brown, 50TD

  • David Brown
  • Liquid-cooled
  • Diesel
  • 6-cylinder
Oil capacity14.4 qts [13.6 L]
Displacement248 ci [4.1 L]
Rated RPM1800
Bore/Stroke3.625x4.00 inches [92 x 102 mm]
Coolant capacity19 qts [18.0 L]
Starter volts12
StarterElectric
Power50 hp [37.3 kW]

Transmission Information of David Brown, 50TD

Transmission variants 1

TypeGear
Oil capacity57.1 qts [54.0 L]
Gears6 forward and 2 reverse
Clutch304.8mm dry disc

Mechanical Specs of David Brown, 50TD

  • Open operator station.
DriveCrawler

Power Information of David Brown, 50TD

Rear PTO Type540 (1.375)
Rear PTO Type(optional)2100@1600
Rear PTO Type(optional)1100@1600
Engine RPM516@1600
Engine RPM(optional)985@1600

Where it sits

With 50 HP, the David Brown 50TD sits just above 30TD (36 HP) in David Brown's range. Its power puts it in the 74th percentile of 1950s models in our database (592 machines).

Frequently asked questions

How much horsepower does the David Brown 50TD have?

The David Brown 50TD delivers 50 HP.

What years was the David Brown 50TD produced?

The David Brown 50TD was produced in 1953-1958.

What engine does the David Brown 50TD have?

The David Brown 50TD is powered by a Diesel, 6-cylinder engine.

What transmission does the David Brown 50TD use?

The David Brown 50TD uses a Gear transmission.

Compare the David Brown 50TD with another model