The Acremaster 404 is a tractor with a 390 hp rating, positioning it within the higher-powered machines in its class. It was manufactured between 1980 and 1984 and features a 12-cylinder diesel liquid-cooled engine powering four-wheel drive via a powershift transmission. The tractor's listed weight is 15,000 kg, and it is intended for use on areas of approximately 1,500+ acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
390 hp
Weight
15000 kg
Catalogue coverage
Variants represented
2
Richest spec table
34 rows
Recorded power
390 hp
Recorded weight
15000 kg
Transmissions
9-speed gear
Production years
1980-1984
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 20.9L 12-cyl dieselReference
Engine290.8 kWReference
Mercedes-Benz OM404Reference
dieselReference
12-cylinderReference
liquid-cooled V12Reference
Displacement20.9 LReference
Bore/Stroke125 x 142 mmReference
Power290.8 kWReference
Compression17.5:1Reference
Rated RPM2200Reference
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
Weight15000 kgReference
Front tire24.5x32Reference
Rear tire24.5x32Reference
Ag front24.5x32Reference
Ag rear24.5x32Reference
Length664 cmReference
Width450 cmReference
Height (exhaust)359 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
