Acremaster 421 tractor

Acremaster 421

Power

210 hp

Production

1982-1984

Engine

Diesel, 6-cylinder

Transmission

Acremaster

Weight

20723 lbs [9399 kg]

Drive

4WD

From the same series:

422A

Introduction

Acremaster 421 Four-Wheel Drive Tractor

The Acremaster 421 is a four-wheel drive agricultural tractor produced in Merredin, Australia, between 1982 and 1984. Designed for heavy-duty field operations, this model is recognized for its robust construction and reliance on industrial-grade engine components.

Engine and Performance

The tractor is powered by a Mercedes-Benz OM421 liquid-cooled V6 diesel engine. With a displacement of 11.0 liters (669.1 cubic inches) and a bore/stroke ratio of 128 x 142 mm, the engine generates 210 horsepower (156.6 kW) at a rated speed of 2350 RPM. It utilizes an electric starter system.

Transmission and Drivetrain

The unit features a proprietary Acremaster gear transmission system providing 9 forward and 3 reverse speeds. The drivetrain is configured as a four-wheel drive system, paired with articulated power steering to assist in maneuvering the machine's substantial mass.

Dimensions and Operator Environment

The machine has a base operating weight of 20,723 lbs (9,399 kg). It is equipped with 18.4x34 agricultural tires on both the front and rear axles. The operator station consists of a standard factory-fitted cab equipped with an air-conditioning system to manage environmental conditions during operation.

Conclusion

The Acremaster 421 is a high-capacity tractor engineered for large-scale agricultural tasks requiring significant traction and power. Its combination of a Mercedes-Benz powertrain and articulated steering makes it suited for challenging field environments.

Production Information of Acremaster, 421

  • Four-wheel Drive (4WD) tractor
  • Built in Merredin, Australia
ManufacturerAcremaster

Dimension and Tires Information of Acremaster, 421

Weight20723 lbs [9399 kg]
Ag front18.4x34
Ag rear18.4x34

Engine Specifications of Acremaster, 421

  • Mercedes-Benz OM421
  • Liquid-cooled V6
  • Diesel
  • 6-cylinder
Power210 hp [156.6 kW]
Displacement669.1 ci [11.0 L]
Rated RPM2350
Bore/Stroke5.04x5.59 inches [128 x 142 mm]
Starter typeElectric

Transmission Information of Acremaster, 421

Transmission variants 1

TransmissionAcremaster
TypeGear
Gears9 forward and 3 reverse

Mechanical Specs of Acremaster, 421

  • Four-wheel drive
  • Articulated power steering
  • Cab standard with air-conditioning.

Power Information of Acremaster, 421

Engine210 hp [156.6 kW]

Where it sits

With 210 HP, the Acremaster 421 sits just below 422A (240 HP) in Acremaster's range. Its power puts it in the 89th percentile of 1980s models in our database (2052 machines).

Frequently asked questions

How much horsepower does the Acremaster 421 have?

The Acremaster 421 delivers 210 HP.

What years was the Acremaster 421 produced?

The Acremaster 421 was produced in 1982-1984.

What engine does the Acremaster 421 have?

The Acremaster 421 is powered by a Diesel, 6-cylinder engine.

What transmission does the Acremaster 421 use?

The Acremaster 421 uses a Acremaster transmission.

How much does the Acremaster 421 weigh?

The Acremaster 421 weighs 20723 lbs [9399 kg].

Is the Acremaster 421 4WD?

The Acremaster 421 is available in 4WD.

Compare the Acremaster 421 with another model