RK Tractors RK37H VS Steiger Cougar III ST-251 specs comparison

RK Tractors RK37H 2017 comparison online with competitors

RK Tractors RK37H

General Infos
Make RK Tractors
Model RK37H
Country United states
Production From 2017
Price -
Tractor type Compact Utility tractor
Fuel diesel
Service repair manual RK Tractors RK37H 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 3106 lbs or 1408 kg
Length 126 inches [320 cm]
Width 53.5 inches [135 cm]
Height 94.5 inches [240 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 RK37H 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 55 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 Two-post ROPS
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 -

Steiger Cougar III ST-251 1976 comparison online with competitors

Steiger Cougar III ST-251

General Infos
Make Steiger
Model Cougar III ST-251
Country United states
Production From 1976  Until 1982
Price 75,000  USD
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Service repair manual Steiger Cougar III ST-251 Manual

Dimensions, sizes and tires
AG front tires 23.1-34
AG rear tires 23.1-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 26,610 lbs or 12070 kg
Length 252 inches [640 cm]
Width 96 inches [243 cm] (tractor body)
Height -
Wheelbase 128 inches [325 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 855 ci or 14.0 L
Cylinders 6 cylinders
Engine power 250 hp or 186.4 kW
Engine RPM 2100 (rpm)
Torque 850 lb-ft or 1152.6 Nm
Torque RPM 1400 (rpm)
Fuel type diesel
Fuel injection -
Fuel tank size 267 gal or 1010.6 L
Oil capacity 44 qts or 41.6 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories Steiger Cougar III ST-251 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 12 V
Battries Amps 208 amps
Cold Amps -
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 90 amps
Clutch and gearbox specs
Trans system Spicer SST 1010
Trans type -
Trans gears 20 forward and 4 reverse
Clutch system 394mm dry disc
Cabine and mechanical specs
Wheel drive 4x4 articulated 4WD
Final drive outboard planetary
Steering hydrostatic power
Braking system hydraulic disc
Cabin type Safari Cab standard with heat and air-conditioning
Differentiel lock -
Hydraulics specifications
System open center
Valves 4
Pump flow 30.8 gpm or 116.6 lpm
SVC flow -
Steering flow -
Tank capacity 33 gal or 124.9 L
Hydraulic pressure 2250 psi or 155.1 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 206 hp or 153.6 kW
Drawbar horsepower 199.04 hp or 148.4 kW
Fuel consumption 13.5 gal/hour or 51.1 l/hour
Pulling power 26,880 lbs or 12192 kg
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 3
Rear hitch lift -
Front hitch -
Front hitch lift -

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