Caterpillar RD7 VS McCormick-Deering W-4 specs comparison

Caterpillar RD7

General Infos

Make	Caterpillar
Model	RD7
Country	United states
Production	From 1935  Until 1940
Price	-
Tractor type	Agricultural Crawler tractor
Fuel	diesel
Service repair manual	Caterpillar RD7 Manual

Dimensions, sizes and tires

AG front tires	60, 74-inch tracks
AG rear tires	60, 74-inch tracks
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	21020 lbs or 9534 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	831 ci or 13.6 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1000 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Caterpillar RD7 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	4 forward and 1 reverse
Clutch system	dry disc

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	78.35 hp or 58.4 kW
Fuel consumption	-
Pulling power	16782 lbs or 7612 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	-

McCormick-Deering W-4

General Infos

Make	McCormick-Deering
Model	W-4
Country	United states
Production	From 1939  Until 1952
Price	1,900  USD
Tractor type	Standard tread tractor
Fuel	distillate
Service repair manual	McCormick-Deering W-4 Manual

Dimensions, sizes and tires

AG front tires	22-inch steel
AG rear tires	40-inch steel
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4,219 lbs or 1913 kg
Length	114 inches [289 cm]
Width	65.25 inches [165 cm]
Height	-
Wheelbase	66.75 inches [169 cm]
Ground clearance	-
Turning radius	11 feet [3.4 m]
Rear tread size	52 inches
Front tread size	45.875 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	152.1 ci or 2.5 L
Cylinders	4 cylinders
Engine power	-
Engine RPM	1650 (rpm)
Torque	-
Torque RPM	-
Fuel type	distillate
Fuel injection	-
Fuel tank size	17.5 gal or 66.2 L
Oil capacity	6 qts or 5.7 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	McCormick-Deering W-4 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	6 V
Battries Amps	-
Cold Amps	-
Ground force	positive
Charging system	generator
Charging Volts	-
Charging Amps	11 amps

Clutch and gearbox specs

Trans system	-
Trans type	sliding gear
Trans gears	5 forward and 1 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	differential mechanical external 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	17 hp or 12.7 kW
Drawbar horsepower	23.97 hp or 17.9 kW
Fuel consumption	-
Pulling power	3,671 lbs or 1665 kg

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	transmission
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	-

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