
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:
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
| Manufacturer | Acremaster |
|---|
Dimension and Tires Information of Acremaster, 421
| Weight | 20723 lbs [9399 kg] |
|---|
| Ag front | 18.4x34 |
|---|---|
| Ag rear | 18.4x34 |
Engine Specifications of Acremaster, 421
- Mercedes-Benz OM421
- Liquid-cooled V6
- Diesel
- 6-cylinder
| Power | 210 hp [156.6 kW] |
|---|---|
| Displacement | 669.1 ci [11.0 L] |
| Rated RPM | 2350 |
| Bore/Stroke | 5.04x5.59 inches [128 x 142 mm] |
| Starter type | Electric |
Transmission Information of Acremaster, 421
Transmission variants 1
| Transmission | Acremaster |
|---|---|
| Type | Gear |
| Gears | 9 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
| Engine | 210 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.