Allis Chalmers D21 Series I VS Challenger 55 specs comparison

Allis Chalmers D21 Series I

General Infos

Make	Allis Chalmers
Model	D21 Series I
Country	United states
Production	From 1963  Until 1969
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Allis Chalmers D21 Series I Manual

Dimensions, sizes and tires

AG front tires	11.00x16
AG rear tires	24.5x32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	9500 lbs or 4309 kg
Length	160.6 inches [407 cm]
Width	91.6 inches [232 cm]
Height	-
Wheelbase	96.1 inches [244 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	426 ci or 7.0 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2200 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	52 gal or 196.8 L
Oil capacity	12 qts or 11.4 L
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Allis Chalmers D21 Series I Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	95 amps
Cold Amps	-
Ground force	negative
Charging system	Delco-Remy generator
Charging Volts	-
Charging Amps	32 amps

Clutch and gearbox specs

Trans system	Power Director
Trans type	sliding gear
Trans gears	8 forward and 2 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	band actuated disc
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	93 hp or 69.4 kW
Drawbar horsepower	93.09 hp or 69.4 kW
Fuel consumption	7.1 gal/hour or 26.9 l/hour
Pulling power	14,840 lbs or 6731 kg

Power take-off (PTO) specs

Claimed power	103 hp or 76.8 kW
Real power	103.06 hp or 76.9 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	7.1 gal/hour or 26.9 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/II
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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