Bolinder-Munktell BM-20

The Bolinder-Munktell BM-20 is a tractor produced by Bolinder Munktell. It is equipped with a 323.4 ci 5.3 L engine. The rated power output is 41 hp 30.6 kW. Transmission: 5 forward and 1 reverse. Operating weight: 5842 lbs 2649 kg.

Overview

	1944 - 1950 Standard-tread tractor
1944 - 1950
Standard-tread tractor

Production
Manufacturer	Bolinder-Munktell
Standard-tread tractor
Built in Eskilstuna, Sweden

Bolinder-Munktell BM-20 Engine
Bolinder 5.3L 2-cyl diesel
Fuel tank	19.8 gal 74.9 L
Engine details ...

Bolinder-Munktell BM-20 Transmission
5-speed gear
Transmission details ...

Bolinder-Munktell BM-20 Power
Engine	41 hp 30.6 kW

Mechanical
Two-wheel drive
Manual steering
Open operator station.

Dimensions & Tires
Wheelbase	70.9 inches 180 cm
Weight	5842 lbs 2649 kg
Front tire	7.50x18
Rear tire	13x28
Full dimensions and tires ...

Electrical
Charging system	generator
Batteries	4
Battery volts	6

References
Stora Traktor BM-20 published by Bolinder-Munktell

Engine

Engine Detail — 323.4 ci / 5.3 L Diesel

Manufacturer	Bolinder W5
Fuel Type	Diesel
Configuration	2-cylinder, liquid-cooled
Displacement	323.4 ci 5.3 L
Bore/Stroke	5.91x5.91 inches 150 x 150 mm
Power	41 hp 30.6 kW
Rated RPM	1050
Starter	electric
Starter volts	24
Oil capacity	11.1 qts 10.5 L
Coolant capacity	23.3 qts 22.1 L

Bolinder-Munktell BM-20 Engine
Image courtesy of Kamil Szturc

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse

Dimensions

Bolinder-Munktell BM-20 Tires
Ag front	7.50x18
Ag rear	13x28

Dimensions
Wheelbase	70.9 inches 180 cm
Length	128 inches 325 cm
Width	69.8 inches 177 cm
Height (steering wheel)	72.1 inches 183 cm
Height (hood)	55.9 inches 141 cm
Weight	5842 lbs 2649 kg
Front tread	52.4 inches 133 cm
Rear tread	55.1 inches 139 cm

Photos

Bolinder-Munktell BM-20

Bolinder-Munktell BM-20

Bolinder-Munktell BM-20

Bolinder-Munktell BM-20

Bolinders-Munktell BM-20 operator station and controls.