Oliver OC-4 VS Massey-Harris 81 specs comparison

Oliver OC-4

General Infos

Make	Oliver
Model	OC-4
Country	United states
Production	From 1957  Until 1965
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Oliver OC-4 Manual

Dimensions, sizes and tires

AG front tires	12-inch tracks
AG rear tires	12-inch tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4720 lbs or 2140 kg
Length	111 inches [281 cm]
Width	60 inches [152 cm]
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	130 ci or 2.1 L
Cylinders	3 cylinders
Engine power	30.45 hp or 22.7 kW
Engine RPM	1700 (rpm)
Torque	97 lb-ft or 131.5 Nm
Torque RPM	1400 (rpm)
Fuel type	diesel
Fuel injection	-
Fuel tank size	11 gal or 41.6 L
Oil capacity	5.75 qts or 5.4 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Oliver OC-4 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	4 forward and 1 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
Braking system	-
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	24.75 hp or 18.5 kW
Drawbar horsepower	23.14 hp or 17.3 kW
Fuel consumption	-
Pulling power	4986 lbs or 2261 kg

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	-

Massey-Harris 81

General Infos

Make	Massey-Harris
Model	81
Country	United states
Production	From 1941  Until 1946
Price	1,121  USD
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Massey-Harris 81 Manual

Dimensions, sizes and tires

AG front tires	4.00x15
AG rear tires	9.00x32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2,895 lbs or 1313 kg
Length	119 inches [302 cm]
Width	-
Height	58 inches [147 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	123.7 ci or 2.0 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1500 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	Marvel-Schebler TSX-28 carburetor
Fuel tank size	12 gal or 45.4 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Massey-Harris 81 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	4 forward and 1 reverse
Clutch system	dry disc

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	16 hp or 11.9 kW
Drawbar horsepower	20.79 hp or 15.5 kW
Fuel consumption	-
Pulling power	2,898 lbs or 1314 kg

Power take-off (PTO) specs

Claimed power	26 hp or 19.4 kW
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	-

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