Allis Chalmers 620 VS John Deere 840 specs comparison

Allis Chalmers 620

General Infos

Make	Allis Chalmers
Model	620
Country	United states
Production	From 1973  Until 1975
Price	-
Tractor type	Sub Compact Utility tractor
Fuel	gasoline
Service repair manual	Allis Chalmers 620 Manual

Dimensions, sizes and tires

AG front tires	4.00x12
AG rear tires	8x16
Lawn front tires	20-8x10
Lawn rear tires	20-8x10
Indus front tires	-
Indus rear tires	-
Weight	1,500 lbs or 680 kg
Length	83 inches [210 cm]
Width	48 inches [121 cm]
Height	43.25 inches [109 cm]
Wheelbase	56 inches [142 cm]
Ground clearance	15 inches [38 cm]
Turning radius	3 feet [0.9 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	49.8 ci or 0.8 L
Cylinders	2 cylinders
Engine power	19.5 hp or 14.5 kW
Engine RPM	3600 (rpm)
Torque	-
Torque RPM	-
Fuel type	gasoline
Fuel injection	-
Fuel tank size	3.8 gal or 14.4 L
Oil capacity	3.5 qts or 3.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers 620 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	negative
Charging system	-
Charging Volts	-
Charging Amps	20 amps

Clutch and gearbox specs

Trans system	-
Trans type	hydrostatic
Trans gears	infinite (3-range) forward and 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	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	1.25 gal or 4.7 L
Hydraulic pressure	500 psi or 34.5 bar
Max flow	2.25 gpm or 8.5 lpm

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	-
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	electric
Rear PTO RPM	2000 (rpm)
Front PTO	electric
Front PTO RPM	2000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

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

John Deere 840

General Infos

Make	John Deere
Model	840
Country	United states
Production	From 1976  Until 1986
Price	-
Tractor type	Utility tractor
Fuel	diesel
Service repair manual	John Deere 840 Manual

Dimensions, sizes and tires

AG front tires	6.50-16
AG rear tires	12.4-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	5004 lbs or 2269 kg
Length	138 inches [350 cm]
Width	65.4 inches [166 cm]
Height	94.1 inches [239 cm]
Wheelbase	74.4 inches [188 cm]
Ground clearance	-
Turning radius	-
Rear tread size	53.5 to 73.2 inches
Front tread size	49.6 to 79.5 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	179 ci or 2.9 L
Cylinders	3 cylinders
Engine power	37.5 hp or 28.0 kW
Engine RPM	2400 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	direct injection
Fuel tank size	20.6 gal or 78.0 L
Oil capacity	7.4 qts or 7.0 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 840 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	33 amps

Clutch and gearbox specs

Trans system	-
Trans type	two-speed power shift
Trans gears	16 forward and 8 reverse
Clutch system	dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	planetary
Steering	manual
Braking system	hydraulic wet disc
Cabin type	Four-post ROPS
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	-
Pump flow	6.1 gpm or 23.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	10.8 gal or 40.9 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	-
Fuel consumption	-
Pulling power	-

Power take-off (PTO) specs

Claimed power	33.5 hp or 25.0 kW
Real power	-
Engine @RPM	1000@2070 (rpm)
PTO Clutch	dry disc
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	optional
Front PTO RPM	1000 (rpm)
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	II/I
Rear hitch lift	4878 lbs or 2212 kg
Front hitch	-
Front hitch lift	-

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