Allis Chalmers D21 Series I VS International Harvester McCormick-Deering T-20 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 -

International Harvester McCormick-Deering T-20 1931 comparison online with competitors

International Harvester McCormick-Deering T-20

General Infos
Make International Harvester
Model McCormick-Deering T-20
Country United states
Production From 1931  Until 1939
Price -
Tractor type Agricultural Crawler tractor
Fuel kerosene
Service repair manual International Harvester McCormick-Deering T-20 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 7,010 lbs or 3179 kg
Length 122.5 inches [311 cm]
Width 55 inches [139 cm]
Height 55.5 inches [140 cm]
Wheelbase -
Ground clearance -
Turning radius -
Rear tread size -
Front tread size -
Turning radius -

Horsepower and engin specs
Engine capacity 220.9 ci or 3.6 L
Cylinders 4 cylinders
Engine power -
Engine RPM 1250 (rpm)
Torque -
Torque RPM -
Fuel type kerosene
Fuel injection -
Fuel tank size 22 gal or 83.3 L
Oil capacity -
Oil change -
Starter motor -
Starter volts -
Parts And Accessories International Harvester McCormick-Deering T-20 Parts
Electrical and battery specs
Batteries number -
Batteries voltage -
Battries Amps -
Cold Amps -
Ground force -
Charging system -
Charging Volts -
Charging Amps -
Clutch and gearbox specs
Trans system -
Trans type gear
Trans gears 3 forward and 1 reverse
Clutch system -
Cabine and mechanical specs
Wheel drive crawler
Final drive -
Steering Dry, single plate clutch, 11-inch
Braking system dry 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 18 hp or 13.4 kW
Drawbar horsepower 23.33 hp or 17.4 kW
Fuel consumption -
Pulling power 5,156 lbs or 2338 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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Useful links and guides ....


  • Get your International Harvester McCormick-Deering T-20 manual book version
  • Cabine, electrical And mechanical parts for International Harvester McCormick-Deering T-20 farm-tractor here