John Deere 820 VS Allis Chalmers HD7W specs comparison

John Deere 820

General Infos

Make	John Deere
Model	820
Country	United states
Production	From 1968  Until 1973
Price	4,000  USD
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 820 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	13.6-28
Lawn front tires	27/9.5-15
Lawn rear tires	27/9.5-15
Indus front tires	-
Indus rear tires	-
Weight	4000 lbs or 1814 kg
Length	135 inches [342 cm]
Width	59.06 inches [150 cm] (min)
Height	78.74 inches [199 cm]
Wheelbase	74.4 inches [188 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	151.9 ci or 2.5 L
Cylinders	3 cylinders
Engine power	32 hp or 23.9 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	16.5 gal or 62.5 L
Oil capacity	6.5 qts or 6.2 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 820 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	55 amps
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	collar shift
Trans gears	8 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

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

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	10 gal or 37.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	31 hp or 23.1 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	live
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	I
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

Allis Chalmers HD7W

General Infos

Make	Allis Chalmers
Model	HD7W
Country	United states
Production	From 1940  Until 1950
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Allis Chalmers HD7W 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	14,000 lbs or 6350 kg
Length	128 inches [325 cm]
Width	81 inches [205 cm]
Height	69 inches [175 cm]
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	213 ci or 3.5 L
Cylinders	3 cylinders
Engine power	-
Engine RPM	1500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	31 gal or 117.3 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers HD7W Parts

Electrical and battery specs

Batteries number	2
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	crawler
Final drive	-
Steering	-
Braking system	-
Cabin type	-
Differentiel lock	-

Hydraulics specifications

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

Drawbar specifications

Drawbar type	-
Claimed power	45 hp or 33.6 kW
Drawbar horsepower	57.31 hp or 42.7 kW
Fuel consumption	-
Pulling power	12,171 lbs or 5520 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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