Allis Chalmers 8550 VS Challenger 55 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	-

Challenger 55

General Infos

Make	Challenger
Model	55
Country	United states
Production	From 1996  Until 1998
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Challenger 55 Manual

Dimensions, sizes and tires

AG front tires	16-inch track
AG rear tires	16-inch track
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	26000 lbs or 11793 kg
Length	211 inches [535 cm]
Width	91 inches [231 cm]
Height	120 inches [304 cm]
Wheelbase	86 inches [218 cm]
Ground clearance	-
Turning radius	-
Rear tread size	60/68/72/76/80/88/90 inches
Front tread size	60/68/72/76/80/88/90 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	442 ci or 7.2 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	125 gal or 473.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Challenger 55 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	creeper
Trans gears	32 forward and 18 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	differential power
Braking system	wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	variable-displacement load-sensing pressure-compensated
Valves	3 or 4
Pump flow	31.2 gpm or 118.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2750 psi or 189.6 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	191 hp or 142.4 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	225 hp or 167.8 kW
Real power	-
Engine @RPM	1000@1900 (rpm)
PTO Clutch	electro-hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	draft control
Rear hitch	III/II
Rear hitch lift	12500 lbs or 5670 kg
Front hitch	-
Front hitch lift	-

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