John Deere 620 VS Allis Chalmers HD7W specs comparison

John Deere 620

General Infos

Make	John Deere
Model	620
Country	United states
Production	From 1956  Until 1958
Price	3,000  USD
Tractor type	-
Fuel	-
Service repair manual	John Deere 620 Manual

Dimensions, sizes and tires

AG front tires	6.00-16
AG rear tires	12.4-38
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	Shipping:
Length	147.1875 inches 373 cm
Width	74 inches 187 cm
Height	88.125 inches 223 cm
Wheelbase	90 inches 228 cm
Ground clearance	-
Turning radius	-
Rear tread size	58 to 88 inches
Front tread size	-
Turning radius	5,858 lbs 2657 kg

Horsepower and engin specs

Engine capacity	-
Cylinders	2 cylinders 4 valves
Engine power	-
Engine RPM	1125 (rpm)
Torque	-
Torque RPM	-
Fuel type	-
Fuel injection	-
Fuel tank size	20.5 gal 77.6 L (all-fuel)
Oil capacity	8 qts 7.6 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 620 Parts

Electrical and battery specs

Batteries number	2
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	mechanical dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power assist
Braking system	differential mechanical contracting band
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	44 hp 32.8 kW
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	48 hp 35.8 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
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	II
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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