Challenger MT755C VS Allis Chalmers HD21 specs comparison

Challenger MT755C

General Infos

Make	Challenger
Model	MT755C
Country	United states
Production	From 2009  Until 2011
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	-
Service repair manual	Challenger MT755C Manual

Dimensions, sizes and tires

AG front tires	14, 16, 18, 25, 30 inch Extreme Service belts
AG rear tires	14, 16, 18, 25, 30 inch Extreme Service belts
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	31,075 lbs or 14095 kg
Length	233 inches [591 cm]
Width	133 inches [337 cm]
Height	135.5 inches [344 cm]
Wheelbase	96 inches [243 cm]
Ground clearance	14.3 inches [36 cm] (drawbar)
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	538 ci or 8.8 L
Cylinders	6 cylinders 24 valves
Engine power	301 hp or 224.5 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	118 gal or 446.6 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Challenger MT755C Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	Cat PowerShift
Trans type	full power shift
Trans gears	16 forward and 4 reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	speed sensitive differential
Braking system	-
Cabin type	Cab standard
Differentiel lock	-

Hydraulics specifications

System	closed center pressure-flow compensated
Valves	4 to 6
Pump flow	36 gpm or 136.3 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	2900 psi or 200.0 bar
Max flow	43.5 gpm or 164.6 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	213.58 hp or 159.3 kW
Fuel consumption	14.4 gal/hour or 54.5 l/hour
Pulling power	30,267 lbs or 13729 kg

Power take-off (PTO) specs

Claimed power	245 hp or 182.7 kW
Real power	277.64 hp or 207.0 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	15.9 gal/hour or 60.2 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	III/IIIN
Rear hitch lift	16,000 lbs or 7257 kg
Front hitch	-
Front hitch lift	-

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	-

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