John Deere 820 VS Allis Chalmers D12 specs comparison

John Deere 820

General Infos

Make	John Deere
Model	820
Country	United states
Production	From 1956  Until 1958
Price	-
Tractor type	Standard tread tractor
Fuel	diesel
Service repair manual	John Deere 820 Manual

Dimensions, sizes and tires

AG front tires	7.50-18
AG rear tires	15-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	7,850 lbs or 3560 kg
Length	142.75 inches [362 cm]
Width	79.5 inches [201 cm]
Height	81 inches [205 cm]
Wheelbase	85.25 inches [216 cm]
Ground clearance	-
Turning radius	-
Rear tread size	64.5/68.5 inches
Front tread size	56.5 to 63 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	470.7 ci or 7.7 L
Cylinders	2 cylinders
Engine power	-
Engine RPM	1125 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	32.5 gal or 123.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	John Deere 820 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	positive
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	unsynchronized gear
Trans gears	6 forward and 1 reverse
Clutch system	9-inch dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	-
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	Powr-Trol
Valves	1
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	67.15 hp or 50.1 kW
Fuel consumption	-
Pulling power	8,667 lbs or 3931 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
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	-
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Allis Chalmers D12

General Infos

Make	Allis Chalmers
Model	D12
Country	United states
Production	From 1959  Until 1968
Price	3,522  USD
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Allis Chalmers D12 Manual

Dimensions, sizes and tires

AG front tires	5.00x15
AG rear tires	10x24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2,800 lbs or 1270 kg
Length	121 inches [307 cm]
Width	-
Height	-
Wheelbase	78.75 inches [200 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52 to 79.25 inches
Front tread size	49.3 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	149 ci or 2.4 L
Cylinders	4 cylinders
Engine power	31 hp or 23.1 kW
Engine RPM	1650 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	12.5 gal or 47.3 L
Oil capacity	4 qts or 3.8 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Allis Chalmers D12 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	sliding gear
Trans gears	4 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	-
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	live
Valves	1 or 2
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	25.75 hp or 19.2 kW
Drawbar horsepower	29.43 hp or 21.9 kW
Fuel consumption	2.8 gal/hour or 10.6 l/hour
Pulling power	4,241 lbs or 1923 kg

Power take-off (PTO) specs

Claimed power	30 hp or 22.4 kW
Real power	33.32 hp or 24.8 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.7 gal/hour or 10.2 l/hour

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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