Allis Chalmers WD VS New Holland 7840 specs comparison

Allis Chalmers WD

General Infos

Make	Allis Chalmers
Model	WD
Country	United states
Production	From 1948  Until 1953
Price	1,830  USD
Tractor type	Row Crop tractor
Fuel	fuel
Service repair manual	Allis Chalmers WD Manual

Dimensions, sizes and tires

AG front tires	5.50-16
AG rear tires	11-28
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	3500 lbs or 1587 kg
Length	127 inches [322 cm]
Width	-
Height	81.5 inches [207 cm]
Wheelbase	88 inches [223 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	201 ci or 3.3 L
Cylinders	4 cylinders 8 valves
Engine power	-
Engine RPM	1400 (rpm)
Torque	-
Torque RPM	-
Fuel type	fuel
Fuel injection	-
Fuel tank size	15 gal or 56.8 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	6 V
Parts And Accessories	Allis Chalmers WD Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	non-synchronized gear
Trans gears	4 forward and 1 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual worm and horizontal sector
Braking system	manual external compression band type
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	1
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	1.25 gal or 4.7 L
Hydraulic pressure	1200 psi or 82.7 bar
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	19 hp or 14.2 kW
Drawbar horsepower	30.23 hp or 22.5 kW
Fuel consumption	-
Pulling power	4,304 lbs or 1952 kg

Power take-off (PTO) specs

Claimed power	26 hp or 19.4 kW
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	Single Hitch Point
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

New Holland 7840

General Infos

Make	New Holland
Model	7840
Country	United states
Production	From 1996  Until 1998
Price	35,650  USD
Tractor type	Row Crop tractor
Fuel	diesel
Service repair manual	New Holland 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	New Holland 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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