Nuffield PM-4 VS Ford 7840 specs comparison

Nuffield PM-4

General Infos

Make	Nuffield
Model	PM-4
Country	England
Production	From 1950  Until 1957
Price	-
Tractor type	Farm/Agricultural tractor
Fuel	gasoline
Service repair manual	Nuffield PM-4 Manual

Dimensions, sizes and tires

AG front tires	7.50x18
AG rear tires	14.00x30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5,307 lbs or 2407 kg
Length	-
Width	-
Height	-
Wheelbase	-
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	230 ci or 3.8 L
Cylinders	4 cylinders
Engine power	48 hp or 35.8 kW
Engine RPM	2000 (rpm)
Torque	226 lb-ft or 306.5 Nm
Torque RPM	950 (rpm)
Fuel type	gasoline
Fuel injection	-
Fuel tank size	-
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Nuffield PM-4 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	-
Trans gears	5 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	-
Braking system	independent mechanical expanding band
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	27 hp or 20.1 kW
Drawbar horsepower	33.66 hp or 25.1 kW
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	38.40 hp or 28.6 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	-
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	3.9 gal/hour or 14.8 l/hour

3 point hitch specifiations

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

Ford 7840

General Infos

Make	Ford
Model	7840
Country	United states
Production	From 1991  Until 1995
Price	35,650  USD
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	Ford 7840 Manual

Dimensions, sizes and tires

AG front tires	10.00-16
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8,076 lbs or 3663 kg
Length	176 inches [447 cm]
Width	83 inches [210 cm]
Height	110 inches [279 cm]
Wheelbase	103 inches [261 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	401 ci or 6.6 L
Cylinders	6 cylinders 12 valves
Engine power	-
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	57.5 gal or 217.6 L
Oil capacity	22.1 qts or 20.9 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Ford 7840 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	800
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	55 amps

Clutch and gearbox specs

Trans system	ElectroShift/Pulse Command
Trans type	four-speed power shift
Trans gears	16 forward and reverse
Clutch system	wet disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	inboard planetary
Steering	hydrostatic power
Braking system	mechanical (S)
Cabin type	Two-post foldable ROPS with flat-deck platform
Differentiel lock	electro-hydraulic (SLE)

Hydraulics specifications

System	open center
Valves	1 to 4
Pump flow	17.4 gpm or 65.9 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	75.2 hp or 56.1 kW
Fuel consumption	5.9 gal/hour or 22.3 l/hour
Pulling power	-

Power take-off (PTO) specs

Claimed power	90 hp or 67.1 kW
Real power	90.4 hp or 67.4 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	5.3 gal/hour or 20.1 l/hour

3 point hitch specifiations

Hitch system	Position control and top-link draft sensing
Rear hitch	II
Rear hitch lift	6,210 lbs or 2816 kg
Front hitch	-
Front hitch lift	-

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