Allis Chalmers HD7W VS Caterpillar R4 specs comparison

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	-

Caterpillar R4

General Infos

Make	Caterpillar
Model	R4
Country	United states
Production	From 1938  Until 1944
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	gasoline
Service repair manual	Caterpillar R4 Manual

Dimensions, sizes and tires

AG front tires	44-inch tracks
AG rear tires	44-inch tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	-
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	461 ci or 7.6 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1400 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Caterpillar R4 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	5 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	crawler
Final drive	-
Steering	-
Braking system	-
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	-
Drawbar horsepower	30.88 hp or 23.0 kW
Fuel consumption	-
Pulling power	6120 lbs or 2776 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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