John Deere 8440 VS Allis Chalmers WD specs comparison

John Deere 8440 1979 comparison online with competitors

John Deere 8440

General Infos
Make John Deere
Model 8440
Country United states
Production From 1979  Until 1982
Price -
Tractor type Four wheel Drive (4WD) tractor
Fuel diesel
Service repair manual John Deere 8440 Manual

Dimensions, sizes and tires
AG front tires 18.4-34
AG rear tires 18.4-34
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 26,590 lbs or 12061 kg
Length 223.5 inches [567 cm]
Width -
Height 126.6 inches [321 cm]
Wheelbase 125 inches [317 cm]
Ground clearance 19.4 inches [49 cm]
Turning radius -
Rear tread size 63 to 130 inches
Front tread size 63 to 130 inches
Turning radius -

Horsepower and engin specs
Engine capacity 466 ci or 7.6 L
Cylinders 6 cylinders
Engine power 215 hp or 160.3 kW
Engine RPM 2100 (rpm)
Torque -
Torque RPM -
Fuel type diesel
Fuel injection -
Fuel tank size 156 gal or 590.5 L
Oil capacity 22 qts or 20.8 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories John Deere 8440 Parts
Electrical and battery specs
Batteries number 2
Batteries voltage 6 V
Battries Amps -
Cold Amps 850
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 90 amps
Clutch and gearbox specs
Trans system John Deere Quad-Range
Trans type partial power shift
Trans gears 16 forward and 6 reverse
Clutch system hydraulic wet disc
Cabine and mechanical specs
Wheel drive 4x4 articulated 4WD
Final drive -
Steering articulated power
Braking system hydraulic wet disc
Cabin type Cab standard
Differentiel lock hydraulic front and rear
Hydraulics specifications
System closed center
Valves 2
Pump flow 33 gpm or 124.9 lpm
SVC flow -
Steering flow -
Tank capacity 40 gal or 151.4 L
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 160.58 hp or 119.7 kW
Fuel consumption 11.2 gal/hour or 42.4 l/hour
Pulling power 25,383 lbs or 11513 kg
Power take-off (PTO) specs
Claimed power 175 hp or 130.5 kW
Real power 179.83 hp or 134.1 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 11.3 gal/hour or 42.8 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch III
Rear hitch lift 8545 lbs or 3876 kg
Front hitch -
Front hitch lift -

Allis Chalmers WD 1948 comparison online with competitors

Allis Chalmers WD

General Infos
Make Allis Chalmers
Model WD
Country United states
Production From 1948  Until 1953
Price 1,830  USD
Tractor type Row Crop tractor
Fuel fuel
Service repair manual Allis Chalmers WD Manual

Dimensions, sizes and tires
AG front tires 5.50-16
AG rear tires 11-28
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 3500 lbs or 1587 kg
Length 127 inches [322 cm]
Width -
Height 81.5 inches [207 cm]
Wheelbase 88 inches [223 cm]
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 201 ci or 3.3 L
Cylinders 4 cylinders 8 valves
Engine power -
Engine RPM 1400 (rpm)
Torque -
Torque RPM -
Fuel type fuel
Fuel injection -
Fuel tank size 15 gal or 56.8 L
Oil capacity -
Oil change -
Starter motor electric
Starter volts 6 V
Parts And Accessories Allis Chalmers WD Parts
Electrical and battery specs
Batteries number 1
Batteries voltage 6 V
Battries Amps -
Cold Amps -
Ground force positive
Charging system Delco generator
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type non-synchronized gear
Trans gears 4 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x2 2WD
Final drive -
Steering manual worm and horizontal sector
Braking system manual external compression band type
Cabin type Open operator station
Differentiel lock -
Hydraulics specifications
System open center
Valves 1
Pump flow -
SVC flow -
Steering flow -
Tank capacity 1.25 gal or 4.7 L
Hydraulic pressure 1200 psi or 82.7 bar
Max flow -
Drawbar specifications
Drawbar type -
Claimed power 19 hp or 14.2 kW
Drawbar horsepower 30.23 hp or 22.5 kW
Fuel consumption -
Pulling power 4,304 lbs or 1952 kg
Power take-off (PTO) specs
Claimed power 26 hp or 19.4 kW
Real power -
Engine @RPM -
PTO Clutch -
Rear PTO transmission
Rear PTO RPM 540 (rpm)
Front PTO -
Front PTO RPM -
Mid PTO -
Mid PTO RPM -
Fuel consumption -
3 point hitch specifiations
Hitch system -
Rear hitch Single Hitch Point
Rear hitch lift -
Front hitch -
Front hitch lift -

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