Leader D tractor

Leader D

Power

31 hp

Production

1947-1949

Engine

Gasoline, 4-cylinder

Transmission

Gear

Weight

2500 lbs [1134 kg]

Drive

2WD

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Introduction

Leader D Utility Tractor

The Leader D is a utility tractor manufactured by the Leader Tractor Company in Auburn, Ohio, USA, between 1947 and 1949. Designed for general agricultural applications, this two-wheel-drive machine represents the post-war mechanical utility segment.

Engine and Performance

The tractor is powered by a Hercules IXB 4-cylinder gasoline engine. With a displacement of 133 cubic inches (2.2 liters) and a rated operating speed of 1800 RPM, the unit generates 31 horsepower (23.1 kW). It utilizes a Zenith carburetor for fuel delivery and features a liquid-cooling system to maintain thermal stability during operation.

Transmission and Drivetrain

The powertrain features a mechanical dry disc clutch paired with a gear-type transmission, offering a simplified configuration of 3 forward gears and 1 reverse gear. The tractor is equipped with a rear power take-off (PTO) operating at a standard 540 RPM, allowing for the connection of various agricultural implements.

Chassis and Handling

Built on a two-wheel-drive chassis, the Leader D utilizes manual steering and mechanical contracting band brakes for stopping power. The operator station is of the open type. Final drive is achieved via a chain system. The machine rolls on 5x15 front tires and 9x24 rear agricultural tires.

Dimensions and Weight

The tractor has a wheelbase of 70 inches (177 cm) and an overall length of 111 inches (281 cm). It offers a ground clearance of 19 inches (48 cm), which is suitable for various field tasks. The total weight of the unit is 2,500 lbs (1,134 kg). Adjustable tread widths are available, ranging from 48 to 68 inches at the front and 48 to 64.5 inches at the rear.

Conclusion

The Leader D serves as a straightforward, durable utility tractor intended for small to medium-scale agricultural operations. Its mechanical simplicity and compact footprint make it a representative example of late 1940s American tractor design.

Production Information of Leader, D

  • Utility tractor
  • Built in Auburn, Ohio, USA
ManufacturerLeader (a part of Leader Tractor Company)

Dimension and Tires Information of Leader, D

Rear tread48 to 64.5 inches [121 to 163 cm]
Wheelbase70 inches [177 cm]
Ground clearance19 inches [48 cm]
Weight2500 lbs [1134 kg]
Length111 inches [281 cm]
Front tread48 to 68 inches [121 to 172 cm]
Height61 inches [154 cm]
Ag front5x15
Ag rear9x24

Engine Specifications of Leader, D

  • Hercules IXB
  • Liquid-cooled
  • Gasoline
  • 4-cylinder
Power31 hp [23.1 kW]
Displacement133 ci [2.2 L]
Fuel systemZenith carburetor
Bore/Stroke3.25x4.00 inches [83 x 102 mm]
Starter typeElectric
Rated RPM1800

Transmission Information of Leader, D

Transmission variants 1

TypeGear
Gears3 forward and 1 reverse
ClutchMechanical dry disc

Mechanical Specs of Leader, D

  • Two-wheel drive
  • Open operator station.
  • Mechanical contracting band brakes
  • Manual steering
Final drivesChain

Power Information of Leader, D

Rear PTOTransmission
Rear PTO Type540

Where it sits

Its power puts it in the 45th percentile of 1940s models in our database (263 machines).

Frequently asked questions

How much horsepower does the Leader D have?

The Leader D delivers 31 HP.

What years was the Leader D produced?

The Leader D was produced in 1947-1949.

What engine does the Leader D have?

The Leader D is powered by a Gasoline, 4-cylinder engine.

What transmission does the Leader D use?

The Leader D uses a Gear transmission.

How much does the Leader D weigh?

The Leader D weighs 2500 lbs [1134 kg].

Is the Leader D 4WD?

The Leader D is available in 2WD.

Compare the Leader D with another model