RK Tractors RK55S VS Challenger 85D specs comparison

RK Tractors RK55S

General Infos

Make	RK Tractors
Model	RK55S
Country	United states
Production	From 2017
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	RK Tractors RK55S 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	3814 lbs or 1730 kg
Length	141.3 inches [358 cm]
Width	63.8 inches [162 cm]
Height	102.1 inches [259 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 RK55S 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	syncro shuttle
Trans gears	16 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	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	44.9 hp or 33.5 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 and draft control
Rear hitch	I
Rear hitch lift	3314 lbs or 1503 kg
Front hitch	-
Front hitch lift	-

Challenger 85D

General Infos

Make	Challenger
Model	85D
Country	United states
Production	From 1996  Until 1997
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger 85D Manual

Dimensions, sizes and tires

AG front tires	30-inch track
AG rear tires	30-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	34234 lbs or 15528 kg
Length	232 inches [589 cm]
Width	120 inches [304 cm]
Height	128 inches [325 cm]
Wheelbase	107 inches [271 cm]
Ground clearance	-
Turning radius	-
Rear tread size	90 inches
Front tread size	90 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	729 ci or 11.9 L
Cylinders	6 cylinders
Engine power	370 hp or 275.9 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	203 gal or 768.4 L
Oil capacity	32 qts or 30.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger 85D Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	900
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	145 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 wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed-center pressure-compensated
Valves	4
Pump flow	27 gpm or 102.2 lpm
SVC flow	-
Steering flow	-
Tank capacity	29 gal or 109.8 L
Hydraulic pressure	2750 psi or 189.6 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	265 hp or 197.6 kW
Drawbar horsepower	271.64 hp or 202.6 kW
Fuel consumption	16.3 gal/hour or 61.7 l/hour
Pulling power	35,299 lbs or 16011 kg

Power take-off (PTO) specs

Claimed power	318 hp or 237.1 kW
Real power	318.59 hp or 237.6 kW
Engine @RPM	1000@2050 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	16.6 gal/hour or 62.8 l/hour

3 point hitch specifiations

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

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