Bolinder-Munktell BM-21 VS Caterpillar D6 specs comparison

Bolinder-Munktell BM-21 1951 comparison online with competitors

Bolinder-Munktell BM-21

General Infos
Make Bolinder-Munktell
Model BM-21
Country Sweden
Production From 1951  Until 1952
Price -
Tractor type Standard tread tractor
Fuel diesel
Service repair manual Bolinder-Munktell BM-21 Manual

Dimensions, sizes and tires
AG front tires 7.50x18
AG rear tires 13x30
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 5897 lbs or 2674 kg
Length 128 inches [325 cm]
Width 71.7 inches [182 cm]
Height -
Wheelbase 80.9 inches [205 cm]
Ground clearance -
Turning radius -
Rear tread size 57.1 inches
Front tread size 52.4 inches
Turning radius -

Horsepower and engin specs
Engine capacity 323.4 ci or 5.3 L
Cylinders 2 cylinders
Engine power 43 hp or 32.1 kW
Engine RPM 1050 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 19.8 gal or 74.9 L
Oil capacity 11.1 qts or 10.5 L
Oil change -
Starter motor electric
Starter volts 24 V
Parts And Accessories Bolinder-Munktell BM-21 Parts
Electrical and battery specs
Batteries number 4
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force -
Charging system generator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type gear
Trans gears 5 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual
Braking system -
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

Caterpillar D6 1941 comparison online with competitors

Caterpillar D6

General Infos
Make Caterpillar
Model D6
Country United states
Production From 1941  Until 1947
Price -
Tractor type Agricultural Crawler tractor
Fuel diesel
Service repair manual Caterpillar D6 Manual

Dimensions, sizes and tires
AG front tires 16-inch tracks
AG rear tires 16-inch tracks
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 16,695 lbs or 7572 kg
Length 149.2 inches [378 cm]
Width 80.5 inches [204 cm] (60" gauge)
Height -
Wheelbase 85.625 inches [217 cm]
Ground clearance 12.5 inches [31 cm]
Turning radius -
Rear tread size 60 inches
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 525 ci or 8.6 L
Cylinders 2 cylinders pony engine
Engine power -
Engine RPM 1600 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 48 gal or 181.7 L
Oil capacity 19 qts or 18.0 L
Oil change -
Starter motor -
Starter volts -
Parts And Accessories Caterpillar D6 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type gear
Trans gears 5 forward and 4 reverse
Clutch system dry disc
Cabine and mechanical specs
Wheel drive crawler
Final drive -
Steering manual clutch
Braking system contracting band
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System -
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 74.82 hp or 55.8 kW
Fuel consumption 6.1 gal/hour or 23.1 l/hour
Pulling power 17,687 lbs or 8022 kg
Power take-off (PTO) specs
Claimed power -
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO -
Rear PTO RPM -
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch -
Rear hitch lift -
Front hitch -
Front hitch lift -

Related tractor comparison


1941 Caterpillar D6 competitors and comparison tool online specs and performance
1939 Ford 9N competitors and comparison tool online specs and performance

Caterpillar D6 Ford 9N

1951 Bolinder-Munktell BM-21 competitors and comparison tool online specs and performance
1938 Caterpillar D4 competitors and comparison tool online specs and performance

Bolinder-Munktell BM-21 Caterpillar D4

1951 Bolinder-Munktell BM-21 competitors and comparison tool online specs and performance
1938 Caterpillar R4 competitors and comparison tool online specs and performance

Bolinder-Munktell BM-21 Caterpillar R4

1941 Caterpillar D6 competitors and comparison tool online specs and performance
1938 International Harvester TD-18 competitors and comparison tool online specs and performance

Caterpillar D6 International Harvester TD-18

1941 Caterpillar D6 competitors and comparison tool online specs and performance
1940 Massey-Harris 203 competitors and comparison tool online specs and performance

Caterpillar D6 Massey-Harris 203

1951 Bolinder-Munktell BM-21 competitors and comparison tool online specs and performance
1939 Farmall B competitors and comparison tool online specs and performance

Bolinder-Munktell BM-21 Farmall B


Choose another tractor









Useful links and guides ....