Allis Chalmers D21 Series I VS John Deere 7520 specs comparison

Allis Chalmers D21 Series I 1963 comparison online with competitors

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 -

John Deere 7520 2003 comparison online with competitors

John Deere 7520

General Infos
Make John Deere
Model 7520
Country United states
Production From 2003  Until 2007
Price -
Tractor type Row Crop tractor
Fuel diesel
Service repair manual John Deere 7520 Manual

Dimensions, sizes and tires
AG front tires 14.9R28
AG rear tires 18.4R38
Lawn front tires -
Lawn rear tires -
Indus front tires -
Indus rear tires -
Weight 13280 lbs or 6023 kg
Length 203.3 inches [516 cm]
Width 96 inches [243 cm]
Height 114.1 inches [289 cm]
Wheelbase 104.3 inches [264 cm]
Ground clearance -
Turning radius -
Rear tread size 60 to 88 inches
Front tread size 59.5 to 87.5 inches
Turning radius -

Horsepower and engin specs
Engine capacity 414 ci or 6.8 L
Cylinders 6 cylinders
Engine power 150 hp or 111.9 kW
Engine RPM 2100 (rpm)
Torque 454 lb-ft or 615.6 Nm
Torque RPM 1503 (rpm)
Fuel type diesel
Fuel injection -
Fuel tank size 66 gal or 249.8 L
Oil capacity 22.2 qts or 21.0 L
Oil change -
Starter motor -
Starter volts 12 V
Parts And Accessories John Deere 7520 Parts
Electrical and battery specs
Batteries number -
Batteries voltage 12 V
Battries Amps -
Cold Amps 850
Ground force negative
Charging system alternator
Charging Volts -
Charging Amps 115 amps
Clutch and gearbox specs
Trans system John Deere Infinitely Variable Transmission (IVT)
Trans type partial power shift
Trans gears infinite forward and reverse
Clutch system -
Cabine and mechanical specs
Wheel drive 4x4 MFWD 4WD
Final drive -
Steering power
Braking system hydraulic wet disc
Cabin type ComfortGard Cab standard with air-conditioning
Differentiel lock -
Hydraulics specifications
System closed-center PFC
Valves 4
Pump flow 26.7 gpm or 101.1 lpm
SVC flow -
Steering flow -
Tank capacity -
Hydraulic pressure -
Max flow -
Drawbar specifications
Drawbar type -
Claimed power -
Drawbar horsepower 110.88 hp or 82.7 kW
Fuel consumption 7.4 gal/hour or 28.0 l/hour
Pulling power 13,634 lbs or 6184 kg
Power take-off (PTO) specs
Claimed power 125 hp or 93.2 kW
Real power 125.75 hp or 93.8 kW
Engine @RPM -
PTO Clutch electro-hydraulic
Rear PTO independent
Rear PTO RPM 540 (rpm)
Front PTO independent
Front PTO RPM 1000 (rpm)
Mid PTO -
Mid PTO RPM -
Fuel consumption 6.7 gal/hour or 25.4 l/hour
3 point hitch specifiations
Hitch system -
Rear hitch II/IIIN
Rear hitch lift 7450 lbs or 3379 kg
Front hitch -
Front hitch lift -

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