RK Tractors RK37S VS Challenger 85E specs comparison

RK Tractors RK37S

General Infos

Make	RK Tractors
Model	RK37S
Country	United states
Production	From 2017
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	RK Tractors RK37S 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	3065 lbs or 1390 kg
Length	126 inches [320 cm]
Width	53.5 inches [135 cm]
Height	94.5 inches [240 cm]
Wheelbase	64.5 inches [163 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 RK37S 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	syncro shuttle
Trans gears	12 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	30.2 hp or 22.5 kW
Real power	-
Engine @RPM	-
PTO Clutch	electro-hydraulic
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
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	-

Challenger 85E

General Infos

Make	Challenger
Model	85E
Country	United states
Production	From 1998  Until 2001
Price	224,000  USD
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger 85E Manual

Dimensions, sizes and tires

AG front tires	25-in track
AG rear tires	25-in track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	34,895 lbs or 15828 kg
Length	-
Width	-
Height	-
Wheelbase	107 inches [271 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	729 ci or 11.9 L
Cylinders	6 cylinders
Engine power	375 hp or 279.6 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	280 gal or 1059.8 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger 85E Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	full power shift
Trans gears	10 forward and 2 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	hydrostatic differential steering
Braking system	hydraulic caliper disc
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed
Valves	4
Pump flow	40 gpm or 151.4 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	296.50 hp or 221.1 kW
Fuel consumption	17.6 gal/hour or 66.6 l/hour
Pulling power	34,070 lbs or 15454 kg

Power take-off (PTO) specs

Claimed power	302 hp or 225.2 kW
Real power	305.58 hp or 227.9 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	16.0 gal/hour or 60.6 l/hour

3 point hitch specifiations

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

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