RK Tractors RK37HC VS Massey-Harris 81 specs comparison

RK Tractors RK37HC

General Infos

Make	RK Tractors
Model	RK37HC
Country	United states
Production	From 2017
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	RK Tractors RK37HC Manual

Dimensions, sizes and tires

AG front tires	7-16
AG rear tires	11.2x24
Lawn front tires	28x8.5-15
Lawn rear tires	28x8.5-15
Indus front tires	10-16.5
Indus rear tires	43x16-20
Weight	3450 lbs or 1564 kg
Length	128 inches [325 cm]
Width	58 inches [147 cm]
Height	92.5 inches [234 cm]
Wheelbase	66.1 inches [167 cm]
Ground clearance	12.8 inches [32 cm]
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	100.2 ci or 1.6 L
Cylinders	3 cylinders
Engine power	37.4 hp or 27.9 kW
Engine RPM	3000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	common rail direct injection
Fuel tank size	9 gal or 34.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	RK Tractors RK37HC 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	1
Pump flow	6.4 gpm or 24.2 lpm
SVC flow	-
Steering flow	4.6 gpm or 17.4 lpm
Tank capacity	-
Hydraulic pressure	-
Max flow	11 gpm or 41.6 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	28.8 hp or 21.5 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 control
Rear hitch	I
Rear hitch lift	2646 lbs or 1200 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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