Allis Chalmers HD21 VS Challenger MT655C specs comparison

Allis Chalmers HD21

General Infos

Make	Allis Chalmers
Model	HD21
Country	United states
Production	From 1954  Until 1965
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Allis Chalmers HD21 Manual

Dimensions, sizes and tires

AG front tires	tracks
AG rear tires	tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	45500 lbs or 20638 kg
Length	198 inches [502 cm]
Width	-
Height	99 inches [251 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	844 ci or 13.8 L
Cylinders	6 cylinders
Engine power	225 hp or 167.8 kW
Engine RPM	1800 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	135 gal or 511.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	24 V
Parts And Accessories	Allis Chalmers HD21 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	torque converter
Trans gears	2 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
Braking system	contracting band
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	135.12 hp or 100.8 kW
Fuel consumption	-
Pulling power	40563 lbs or 18399 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	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Challenger MT655C

General Infos

Make	Challenger
Model	MT655C
Country	United states
Production	From 2009  Until 2010
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Challenger MT655C Manual

Dimensions, sizes and tires

AG front tires	480/70R34
AG rear tires	520/85R46
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	24,250 lbs or 10999 kg
Length	223.2 inches [566 cm]
Width	-
Height	133.1 inches [338 cm]
Wheelbase	122.2 inches [310 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	512.6 ci or 8.4 L
Cylinders	6 cylinders
Engine power	265 hp or 197.6 kW
Engine RPM	2200 (rpm)
Torque	955 lb-ft or 1295.0 Nm
Torque RPM	1500 (rpm)
Fuel type	diesel
Fuel injection	electronic high-pressure common rail
Fuel tank size	155.9 gal or 590.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Challenger MT655C 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	240 amps

Clutch and gearbox specs

Trans system	Techstar CVT
Trans type	continuously variable transmission
Trans gears	infinite forward and reverse
Clutch system	-

Cabine and mechanical specs

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

Hydraulics specifications

System	closed center load sensing
Valves	4 to 6
Pump flow	26.4 gpm or 99.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2,901 psi or 200.0 bar
Max flow	46.2 gpm or 174.9 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	195.1 hp or 145.5 kW
Fuel consumption	14.7 gal/hour or 55.6 l/hour
Pulling power	26970 lbs or 12233 kg

Power take-off (PTO) specs

Claimed power	225 hp or 167.8 kW
Real power	256.1 hp or 191.0 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent electro-hydaulic
Rear PTO RPM	540E (rpm)
Front PTO	optional
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	14.8 gal/hour or 56.0 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III, IV
Rear hitch lift	26,460 lbs or 12002 kg
Front hitch	III
Front hitch lift	11,020 lbs or 4998 kg

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