Oliver 550 VS Hart-Parr 28-50 specs comparison

Oliver 550

General Infos

Make	Oliver
Model	550
Country	United states
Production	From 1958  Until 1975
Price	-
Tractor type	Utility tractor
Fuel	gasoline
Service repair manual	Oliver 550 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	12-26
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3,730 lbs or 1691 kg
Length	-
Width	-
Height	-
Wheelbase	73.5 inches [186 cm]
Ground clearance	-
Turning radius	-
Rear tread size	48 to 76 inches
Front tread size	48 to 76 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	155 ci or 2.5 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	2000 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	13 gal or 49.2 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Oliver 550 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	positive
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	6 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	-
Pump flow	5.25 gpm or 19.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	2.5 gal or 9.5 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	35.3 hp or 26.3 kW
Drawbar horsepower	35.09 hp or 26.2 kW
Fuel consumption	2.8 gal/hour or 10.6 l/hour
Pulling power	5,110 lbs or 2317 kg

Power take-off (PTO) specs

Claimed power	41.39 hp or 30.9 kW
Real power	39.21 hp or 29.2 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.8 gal/hour or 10.6 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Hart-Parr 28-50

General Infos

Make	Hart-Parr
Model	28-50
Country	United states
Production	From 1927  Until 1930
Price	2085  USD
Tractor type	-
Fuel	gasoline
Service repair manual	Hart-Parr 28-50 Manual

Dimensions, sizes and tires

AG front tires	28x7 steel
AG rear tires	51x14 steel
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8600 lbs or 3900 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	675.1 ci or 11.1 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	850 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Hart-Parr 28-50 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	gear
Trans type	-
Trans gears	2 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	-
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	28 hp or 20.9 kW
Drawbar horsepower	46 hp or 34.3 kW
Fuel consumption	-
Pulling power	-

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	-

Add a tractor