Allis Chalmers D12 VS John Deere 2840 specs comparison

Allis Chalmers D12

General Infos

Make	Allis Chalmers
Model	D12
Country	United states
Production	From 1959  Until 1968
Price	3,522  USD
Tractor type	Row Crop tractor
Fuel	gasoline
Service repair manual	Allis Chalmers D12 Manual

Dimensions, sizes and tires

AG front tires	5.00x15
AG rear tires	10x24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2,800 lbs or 1270 kg
Length	121 inches [307 cm]
Width	-
Height	-
Wheelbase	78.75 inches [200 cm]
Ground clearance	-
Turning radius	-
Rear tread size	52 to 79.25 inches
Front tread size	49.3 to 80 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	149 ci or 2.4 L
Cylinders	4 cylinders
Engine power	31 hp or 23.1 kW
Engine RPM	1650 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	12.5 gal or 47.3 L
Oil capacity	4 qts or 3.8 L
Oil change	-
Starter motor	-
Starter volts	6 V
Parts And Accessories	Allis Chalmers D12 Parts

Electrical and battery specs

Batteries number	1
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	4x2 2WD
Final drive	-
Steering	-
Braking system	-
Cabin type	Open operator station
Differentiel lock	-

Hydraulics specifications

System	live
Valves	1 or 2
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	25.75 hp or 19.2 kW
Drawbar horsepower	29.43 hp or 21.9 kW
Fuel consumption	2.8 gal/hour or 10.6 l/hour
Pulling power	4,241 lbs or 1923 kg

Power take-off (PTO) specs

Claimed power	30 hp or 22.4 kW
Real power	33.32 hp or 24.8 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	-
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	2.7 gal/hour or 10.2 l/hour

3 point hitch specifiations

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

John Deere 2840

General Infos

Make	John Deere
Model	2840
Country	United states
Production	From 1977  Until 1979
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 2840 Manual

Dimensions, sizes and tires

AG front tires	7.50-18
AG rear tires	18.4-34
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	8700 lbs or 3946 kg
Length	160 inches [406 cm]
Width	90 inches [228 cm]
Height	-
Wheelbase	97 inches [246 cm]
Ground clearance	-
Turning radius	-
Rear tread size	61 to 90 inches
Front tread size	57.82.4 to inches
Turning radius	-

Horsepower and engin specs

Engine capacity	329 ci or 5.4 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	28 gal or 106.0 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 2840 Parts

Electrical and battery specs

Batteries number	2
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	sliding gear
Trans type	two-speed power shift
Trans gears	6 forward and 3 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	power assist
Braking system	differential hydraulic wet disc
Cabin type	Open operator station
Differentiel lock	mechanical rear

Hydraulics specifications

System	closed center
Valves	2
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	12.9 gal or 48.8 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	64.86 hp or 48.4 kW
Fuel consumption	5.2 gal/hour or 19.7 l/hour
Pulling power	8,386 lbs or 3803 kg

Power take-off (PTO) specs

Claimed power	-
Real power	76.27 hp or 56.9 kW
Engine @RPM	-
PTO Clutch	hydraulic 300mm disc
Rear PTO	independent
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	4.8 gal/hour or 18.2 l/hour

3 point hitch specifiations

Hitch system	draft sensing
Rear hitch	II
Rear hitch lift	-
Front hitch	-
Front hitch lift	-

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