Allis Chalmers 8550 VS RK Tractors RK55S specs comparison

Allis Chalmers 8550

General Infos

Make	Allis Chalmers
Model	8550
Country	United states
Production	From 1978  Until 1981
Price	86,753  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Allis Chalmers 8550 Manual

Dimensions, sizes and tires

AG front tires	20.8x34
AG rear tires	20.8x34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	26,400 lbs or 11975 kg
Length	285 inches [723 cm]
Width	95.5 inches [242 cm]
Height	139 inches [353 cm]
Wheelbase	126 inches [320 cm]
Ground clearance	17 inches [43 cm]
Turning radius	-
Rear tread size	62 to 123 inches
Front tread size	62 to 123 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	731 ci or 12.0 L
Cylinders	6 cylinders 24 valves
Engine power	300 hp or 223.7 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	170 gal or 643.5 L
Oil capacity	46 qts or 43.5 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers 8550 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	partial power shift
Trans gears	20 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet discs
Cabin type	Acousta Cab II standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	3 or 4
Pump flow	74.9 gpm or 283.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	210 hp or 156.6 kW
Drawbar horsepower	217.92 hp or 162.5 kW
Fuel consumption	17.5 gal/hour or 66.2 l/hour
Pulling power	26,220 lbs or 11893 kg

Power take-off (PTO) specs

Claimed power	250 hp or 186.4 kW
Real power	253.88 hp or 189.3 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	17.4 gal/hour or 65.9 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	IV/III
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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	-

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