RK Tractors RK55HC VS Massey-Harris 81 specs comparison

RK Tractors RK55HC

General Infos

Make	RK Tractors
Model	RK55HC
Country	United states
Production	From 2017
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	RK Tractors RK55HC Manual

Dimensions, sizes and tires

AG front tires	9.5x16
AG rear tires	14.9x24
Lawn front tires	12x16.5
Lawn rear tires	12x16.5
Indus front tires	12x16.5
Indus rear tires	16.9x24
Weight	4233 lbs or 1920 kg
Length	141.3 inches [358 cm]
Width	63.8 inches [162 cm]
Height	99.6 inches [252 cm]
Wheelbase	76.2 inches [193 cm]
Ground clearance	13.8 inches [35 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	127.6 ci or 2.1 L
Cylinders	4 cylinders
Engine power	55.1 hp or 41.1 kW
Engine RPM	2800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	common rail direct injection
Fuel tank size	17 gal or 64.3 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	RK Tractors RK55HC Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	70 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite (3-range) forward and reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	wet disc
Cabin type	Cab standard with air-conditioning and audio system
Differentiel lock	-

Hydraulics specifications

System	-
Valves	2
Pump flow	9.5 gpm or 36.0 lpm
SVC flow	-
Steering flow	5 gpm or 18.9 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	14.5 gpm or 54.9 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	42.2 hp or 31.5 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	Optional
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position and draft control
Rear hitch	I
Rear hitch lift	3314 lbs or 1503 kg
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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