The Acremaster 403 is a tractor rated at approximately 308 hp, placing it at the powerful end of its class. Production of the 403 model occurred between 1978 and 1984. It features a 10-cylinder diesel liquid-cooled engine, paired with four-wheel drive and a powershift transmission. The tractor has an operating weight of 9800 kg, making it suitable for operations covering 1,500+ acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
308 hp
Weight
9800 kg
Catalogue coverage
Variants represented
2
Richest spec table
37 rows
Recorded power
308 hp
Recorded weight
9800 kg
Transmissions
9-speed gear
Production years
1978-1984
Verified variants
0
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Overview
ManufacturerAcremasterReference
Four-wheel Drive (4WD) tractorReference
Built in Merredin, AustraliaReference
Four-wheel driveReference
Articulated power steeringReference
Cab standard with air-conditioning.Reference
Engine
Mercedes-Benz 16.0L 10-cyl dieselReference
Engine229.7 kWReference
Mercedes-Benz OM403Reference
dieselReference
10-cylinderReference
liquid-cooled V10Reference
Displacement16.0 LReference
Bore/Stroke125 x 130 mmReference
Power229.7 kWReference
Compression17.5:1Reference
Rated RPM2350Reference
Torque1030.2 NmReference
Torque RPM1500Reference
Starter typeelectricReference
Transmission
9-speed gearReference
12-speed power shiftReference
TransmissionAcremasterReference
TypegearReference
Gears9 forward and 3 reverseReference
TransmissionTwin Disc 1400Reference
Typepower shiftReference
Gears12 forward and 2 reverseReference
Dimensions
Weight9800 kgReference
Front tire23.1x30Reference
Rear tire23.1x30Reference
Ag front23.1x30Reference
Ag rear23.1x30Reference
Length599 cmReference
Width382 cmReference
Height (exhaust)329 cmReference
Speeds
With 23.1x30 tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
