Bolinder-Munktell
Bolinder-Munktell BM-20
The Bolinder-Munktell BM-20 is a standard-tread farm tractor produced from 1944 to 1950 in Eskilstuna, Sweden. It features a Bolinder 5.3L 2-cylinder liquid-cooled diesel engine producing 41 hp (30.6 kW) at 1050 rpm. The tractor has a 5-speed gear transmission with 5 forward and 1 reverse gears. It has a wheelbase of 70.9 inches (180 cm), weighs 5842 lbs (2649 kg), and rides on 7.50x18 front and 13x28 rear agricultural tires. The electrical system includes a generator charging system with four 6-volt batteries. The BM-20 is part of a series including the BM-10 and the successor BM-21.
Power41 hp
Founded1944 - 1950
ModelBM-20
Technical Specifications
Detailed specifications and technical data for Bolinder-Munktell BM-20
Power
| Engine power | 41 hp (30.6 kW) |
|---|
Tires
| Ag rear | 13x28 |
|---|---|
| Ag front | 7.50x18 |
Engine
| Type | diesel |
|---|---|
| Model | Bolinder W5 |
| Power | 41 hp (30.6 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 2-cylinder |
| Fuel tank | 19.8 gal (74.9 L) |
| Rated RPM | 1050 |
| Bore/Stroke | 5.91x5.91 inches (150 x 150 mm) |
| Displacement | 323.4 ci (5.3 L) |
| Oil capacity | 11.1 qts (10.5 L) |
| Starter volts | 24 |
| Coolant capacity | 23.3 qts (22.1 L) |
Dimensions
| Width | 69.8 inches (177 cm) |
|---|---|
| Length | 128 inches (325 cm) |
| Weight | 5842 lbs (2649 kg) |
| Wheelbase | 70.9 inches (180 cm) |
| Rear tread | 55.1 inches (139 cm) |
| Front tread | 52.4 inches (133 cm) |
| Height (hood) | 55.9 inches (141 cm) |
| Height (steering wheel) | 72.1 inches (183 cm) |
Electrical
| Batteries | 4 |
|---|---|
| Battery volts | 6 |
| Charging system | generator |
Production
| Type | Standard-tread tractor |
|---|---|
| Built in | Eskilstuna, Sweden |
| Years produced | 1944 - 1950 |
Transmission
| Type | gear |
|---|---|
| Gears | 5 forward and 1 reverse |