David Brown 30 tractor

David Brown 30

Power

34 hp

Production

1953-1957

Engine

4-cylinder

Transmission

Gear

Weight

3,900 lbs [1769 kg]

Drive

2WD

From the same series:

25
50D

Introduction

David Brown 30 Agricultural Tractor

Produced between 1953 and 1957, the David Brown 30 is a two-wheel-drive agricultural tractor belonging to the 25 and 50D series. It was designed as a versatile utility machine for mid-century farming operations.

Engine and Performance

The tractor is powered by a 2.7-liter (165.1 cubic inch) four-cylinder kerosene engine. It features liquid cooling and is rated at 28.0 kW (37.6 hp) at a rated speed of 2300 RPM. The bore and stroke dimensions are 92 mm by 102 mm.

Transmission and Drivetrain

The drivetrain utilizes a manual transmission system providing 6 forward gears and 2 reverse gears. Power is delivered to the rear wheels in a two-wheel drive configuration. It is equipped with a rear power take-off (PTO) operating at a standard 540 RPM.

Mechanical and Dimensions

The chassis is built with a 189 cm wheelbase and an overall length of 295 cm. The tractor has a base operating weight of 1,769 kg. Steering is manual, and braking is handled by mechanical drum brakes. The operator station is of the open type.

Conclusion

The David Brown 30 represents a period-typical tractor configuration suitable for general agricultural tasks, offering a balance of power and mechanical simplicity for operators of its era.

Production Information of David Brown, 30

ManufacturerDavid Brown

Dimension and Tires Information of David Brown, 30

Wheelbase74.8 inches [189 cm]
Length116.5 inches [295 cm]
Weight3,900 lbs [1769 kg]
Ag front6.00-19
Ag rear11-28
Ag rear(optional)12.4-28

Engine Specifications of David Brown, 30

  • David Brown
  • Liquid-cooled
  • Kerosene
  • 4-cylinder
Power37.6 hp [28.0 kW]
Displacement165.1 ci [2.7 L]
Rated RPM2300
Bore/Stroke3.625x4.00 inches [92 x 102 mm]

Transmission Information of David Brown, 30

Transmission variants 1

TypeGear
Gears6 forward and 2 reverse

Mechanical Specs of David Brown, 30

  • Two-wheel drive
  • Open operator station.
  • Mechanical drum brakes
SteeringManual

Power Information of David Brown, 30

Rear PTO Type540

Where it sits

With 34 HP, the David Brown 30 sits between 25 (32 HP) and 50D (50 HP) in David Brown's range. Its power puts it in the 44th percentile of 1950s models in our database (592 machines).

Frequently asked questions

How much horsepower does the David Brown 30 have?

The David Brown 30 delivers 34 HP.

What years was the David Brown 30 produced?

The David Brown 30 was produced in 1953-1957.

What engine does the David Brown 30 have?

The David Brown 30 is powered by a 4-cylinder engine.

What transmission does the David Brown 30 use?

The David Brown 30 uses a Gear transmission.

How much does the David Brown 30 weigh?

The David Brown 30 weighs 3,900 lbs [1769 kg].

Is the David Brown 30 4WD?

The David Brown 30 is available in 2WD.

Compare the David Brown 30 with another model