Muir-Hill 121 VS International Harvester 644 specs comparison

Muir-Hill 121

General Infos

Make	Muir-Hill
Model	121
Country	England
Production	From 1972  Until 1983
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Muir-Hill 121 Manual

Dimensions, sizes and tires

AG front tires	13.6/12x38
AG rear tires	13.6/12x38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	10700 lbs or 4853 kg
Length	156 inches [396 cm]
Width	82 inches [208 cm]
Height	-
Wheelbase	75 inches [190 cm]
Ground clearance	-
Turning radius	-
Rear tread size	64 to 80 inches
Front tread size	64 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	380 ci or 6.2 L
Cylinders	6 cylinders
Engine power	120 hp or 89.5 kW
Engine RPM	2500 (rpm)
Torque	280 lb-ft or 379.7 Nm
Torque RPM	1600 (rpm)
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	48 gal or 181.7 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Muir-Hill 121 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	128 amps
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	355.6mm dry disc

Cabine and mechanical specs

Wheel drive	4x4 4WD
Final drive	planetary
Steering	power
Braking system	hydraulic wet disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	11 gpm or 41.6 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2600 psi or 179.3 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	90 hp or 67.1 kW
Real power	-
Engine @RPM	540@1750 (rpm)
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

International Harvester 644

General Infos

Make	International Harvester
Model	644
Country	United states
Production	From 1974  Until 1980
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	International Harvester 644 Manual

Dimensions, sizes and tires

AG front tires	7.50-16
AG rear tires	16.9-30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	6,350 lbs or 2880 kg
Length	148.82 inches [378 cm]
Width	-
Height	98.03 inches [248 cm]
Wheelbase	87.80 inches [223 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	206.4 ci or 3.4 L
Cylinders	4 cylinders
Engine power	60 hp or 44.7 kW
Engine RPM	2150 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	19.6 gal or 74.2 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	International Harvester 644 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	-
Trans gears	8 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	-
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	7.9 gpm or 29.9 lpm
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	6394 lbs or 2900 kg
Front hitch	-
Front hitch lift	-

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