Allis Chalmers HD21 VS John Deere 7280R 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	-

John Deere 7280R

General Infos

Make	John Deere
Model	7280R
Country	United states
Production	From 2011  Until 2013
Price	-
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	John Deere 7280R Manual

Dimensions, sizes and tires

AG front tires	-
AG rear tires	-
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	27,180 lbs or 12328 kg
Length	-
Width	-
Height	-
Wheelbase	115.2 inches [292 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	60 to 88 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	548 ci or 9.0 L
Cylinders	6 cylinders 24 valves
Engine power	308 hp or 229.7 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	electronic high-pressure common rail
Fuel tank size	138 gal or 522.3 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	John Deere 7280R Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	925
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	200 amps

Clutch and gearbox specs

Trans system	John Deere IVT
Trans type	infinitely 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	-
Cabin type	CommandView II Cab
Differentiel lock	full-locking electrohydraulic rear

Hydraulics specifications

System	closed-center pressure and flow compensated
Valves	6
Pump flow	43 gpm or 162.8 lpm
SVC flow	35 gpm or 132.5 lpm
Steering flow	-
Tank capacity	-
Hydraulic pressure	2958 psi or 204.0 bar
Max flow	-

Drawbar specifications

Drawbar type	Category 3 drawbar
Claimed power	-
Drawbar horsepower	198.81 hp or 148.3 kW
Fuel consumption	13.8 gal/hour or 52.2 l/hour
Pulling power	23656 lbs or 10730 kg

Power take-off (PTO) specs

Claimed power	232 hp or 173.0 kW
Real power	267.27 hp or 199.3 kW
Engine @RPM	540@1950 (rpm)
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (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	electrohydraulic sensing
Rear hitch	3/3N
Rear hitch lift	15,200 lbs or 6894 kg
Front hitch	3N
Front hitch lift	11,464 lbs or 5200 kg

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