White Field Boss 31 VS Hart-Parr 28-50 specs comparison

White Field Boss 31 1986 comparison online with competitors

White Field Boss 31

General Infos
Make White
Model Field Boss 31
Country United states
Production From 1986  Until 1988
Price -
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual White Field Boss 31 Manual

Dimensions, sizes and tires
AG front tires 5.00-15
AG rear tires 11.2-2
Lawn front tires 24x8.50-12 (2WD)
Lawn rear tires 24x8.50-12 (2WD)
Indus front tires -
Indus rear tires -
Weight 2215 lbs or 1004 kg
Length 116 inches [294 cm]
Width 52 inches [132 cm]
Height -
Wheelbase 65 inches [165 cm]
Ground clearance -
Turning radius -
Rear tread size 40.2 to 52.8 inches
Front tread size 37.8 to 41.7 inches
Turning radius -

Horsepower and engin specs
Engine capacity 91.4 ci or 1.5 L
Cylinders 3 cylinders
Engine power 30 hp or 22.4 kW
Engine RPM 2600 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 7.4 gal or 28.0 L
Oil capacity -
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories White Field Boss 31 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps -
Ground force -
Charging system alternator
Charging Volts -
Charging Amps 35 amps
Clutch and gearbox specs
Trans system Triple-sync
Trans type partially synchronized
Trans gears 12 forward and 4 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual (2WD)
Braking system mechanical wet discs
Cabin type Two-post ROPS
Differentiel lock -
Hydraulics specifications
System open center
Valves -
Pump flow -
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure 2135 psi or 147.2 bar
Max flow 7.7 gpm or 29.1 lpm
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower -
Fuel consumption -
Pulling power -
Power take-off (PTO) specs
Claimed power 25 hp or 18.6 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO live
Front PTO RPM 2600 (rpm)
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch I
Rear hitch lift -
Front hitch -
Front hitch lift -

Hart-Parr 28-50 1927 comparison online with competitors

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 -

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