Oliver 77 Row-Crop VS NorTrac 250AS specs comparison

Oliver 77 Row-Crop

General Infos

Make	Oliver
Model	77 Row-Crop
Country	United states
Production	From 1948  Until 1954
Price	3,000  USD
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Oliver 77 Row-Crop Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	10-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4,207 lbs or 1908 kg
Length	139.25 inches [353 cm]
Width	-
Height	75 inches [190 cm]
Wheelbase	90.75 inches [230 cm]
Ground clearance	24.9 inches [63 cm]
Turning radius	-
Rear tread size	60 to 92.5 inches
Front tread size	7.5/12.6 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	193.9 ci or 3.2 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	1600 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	16.5 gal or 62.5 L
Oil capacity	8 qts or 7.6 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Oliver 77 Row-Crop 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	unsynchronized gear
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	differential mechanical drum
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	32.26 hp or 24.1 kW
Fuel consumption	-
Pulling power	4,778 lbs or 2167 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	-

NorTrac 250AS

General Infos

Make	NorTrac
Model	250AS
Country	China
Production	From 1986  Until 1990
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	NorTrac 250AS Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	10-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4,300 lbs or 1950 kg
Length	120 inches [304 cm]
Width	58 inches [147 cm]
Height	-
Wheelbase	69 inches [175 cm]
Ground clearance	17 inches [43 cm]
Turning radius	-
Rear tread size	47.1 to 57.7 inches
Front tread size	47 to 55 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	127 ci or 2.1 L
Cylinders	2 cylinders
Engine power	31 hp or 23.1 kW
Engine RPM	1800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	14 gal or 53.0 L
Oil capacity	7.4 qts or 7.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	NorTrac 250AS Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	900
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	50 amps

Clutch and gearbox specs

Trans system	sliding gear
Trans type	-
Trans gears	8 forward and 6 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	mechanical
Braking system	differential mechanical band
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	open
Valves	1
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	2 gal or 7.6 L
Hydraulic pressure	2060 psi or 142.0 bar
Max flow	4.2 gpm or 15.9 lpm

Drawbar specifications

Drawbar type	-
Claimed power	22 hp or 16.4 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	24 hp or 17.9 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	live
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	II
Rear hitch lift	1,322 lbs or 599 kg
Front hitch	-
Front hitch lift	-

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