The Bolinder-Munktell BM-20 is a tractor with an engine rating of approximately 41 hp, positioning it at the lower end of its class. Manufactured between 1944 and 1950, this vehicle features a 2-cylinder diesel liquid-cooled engine, paired with a 5-speed gearbox and two-wheel drive. Its operating weight is stated as 2649 kg, and it is suitable for operations covering up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
41 hp
Weight
2649 kg
Catalogue coverage
Variants represented
2
Richest spec table
40 rows
Recorded power
41 hp
Recorded weight
2649 kg
Transmissions
5-speed gear
Production years
1944-1950
Verified variants
0
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Overview
ManufacturerBolinder-MunktellReference
Standard-tread tractorReference
Built in Eskilstuna, SwedenReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
Bolinder 5.3L 2-cyl dieselReference
Fuel tank74.9 LReference
Engine30.6 kWReference
Bolinder W5Reference
dieselReference
2-cylinderReference
liquid-cooledReference
Displacement5.3 LReference
Bore/Stroke150 x 150 mmReference
Power30.6 kWReference
Rated RPM1050Reference
StarterelectricReference
Starter volts24Reference
Oil capacity10.5 LReference
Coolant capacity22.1 LReference
Image courtesy of Kamil SzturcReference
Transmission
5-speed gearReference
TypegearReference
Gears5 forward and 1 reverseReference
Dimensions
Wheelbase180 cmReference
Weight2649 kgReference
Front tire7.50x18Reference
Rear tire13x28Reference
Ag front7.50x18Reference
Ag rear13x28Reference
Length325 cmReference
Width177 cmReference
Height (steering wheel)183 cmReference
Height (hood)141 cmReference
Front tread133 cmReference
Rear tread139 cmReference
Electrical
Charging systemgeneratorReference
Batteries4Reference
Battery volts6Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
