Caterpillar D9 VS Bolinder-Munktell BM-21 specs comparison

Caterpillar D9

General Infos

Make	Caterpillar
Model	D9
Country	United states
Production	From 1955  Until 1959
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Caterpillar D9 Manual

Dimensions, sizes and tires

AG front tires	90-inch tracks
AG rear tires	90-inch tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	66025 lbs or 29948 kg
Length	215 inches [546 cm]
Width	120 inches [304 cm]
Height	105 inches [266 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	90 inches
Front tread size	90 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	1473 ci or 24.1 L
Cylinders	2 cylinders gas pony engine
Engine power	286 hp or 213.3 kW
Engine RPM	1240 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	2-cylinder gas pony engine
Starter volts	6 V
Parts And Accessories	Caterpillar D9 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	torque converter
Trans gears	3 forward and 2 reverse
Clutch system	wet disc

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
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	230 hp or 171.5 kW
Drawbar horsepower	252.2 hp or 188.1 kW
Fuel consumption	-
Pulling power	56724 lbs or 25730 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	-

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	-

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