Bolinder-Munktell

BM-21

Farm tractor · 1951–1952 · 43 hp

The Bolinder-Munktell BM-21 is a farm tractor manufactured from 1951 to 1952. It features a Bolinder W5 engine, and manual steering. The transmission is a gear type with 5 forward and 1 reverse.

Engine

EngineBolinder W5
Fuel Typediesel
Cylinders2
Coolingliquid-cooled
Displacement323.4 ci (5.3 L)
Bore5.91 in (150 mm)
Stroke5.91 in (150 mm)
Power Gross43 hp (32.1 kW)
Power Rated43 hp (32.1 kW)
Starter Volts24
Starter Typeelectric
Oil Capacity11.1 qts (10.5 L)
Coolant Capacity23.3 qts (22.1 L)
ManufacturerBolinder
Rated1,050 RPM

Transmission

Transmission Typegear
Gears5 forward and 1 reverse
Available Options5-speed gear

PTO

Rear Type540 (1.375)

Electrical

Battery Volts6
Charging Systemgenerator

Dimensions

Length128 in (325 cm)
Width71.7 in (182 cm)
Height72.8 in (184 cm)
Wheelbase80.9 in (205 cm)
Front Tread52.4 in (133 cm)
Rear Tread57.1 in (145 cm)

Weight

Weight5,897 lbs (2,674 kg)

Tires & Tracks

Front Ag7.50x18
Rear Ag13x30

Fuel

Capacity19.8 gal (74.9 L)

Steering

Typemanual