Allis Chalmers 620 VS John Deere 8850 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 8850

General Infos

Make	John Deere
Model	8850
Country	United states
Production	From 1982  Until 1988
Price	-
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	John Deere 8850 Manual

Dimensions, sizes and tires

AG front tires	20.8-42
AG rear tires	20.8-42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	37,480 lbs or 17000 kg
Length	257.8 inches [654 cm]
Width	-
Height	-
Wheelbase	133 inches [337 cm]
Ground clearance	-
Turning radius	19 feet [5.8 m]
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	955 ci or 15.7 L
Cylinders	8 cylinders
Engine power	370 hp or 275.9 kW
Engine RPM	2100 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	240 gal or 908.4 L
Oil capacity	51 qts or 48.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 8850 Parts

Electrical and battery specs

Batteries number	3
Batteries voltage	12 V
Battries Amps	-
Cold Amps	625
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	110 amps

Clutch and gearbox specs

Trans system	Quad-Range
Trans type	partial power shift
Trans gears	16 forward and 6 reverse
Clutch system	Perma-Clutch hydraulic wet discs

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	power wet disc
Cabin type	Sound-Gard cab with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center constant-pressure
Valves	3 to 4
Pump flow	44 gpm or 166.5 lpm
SVC flow	-
Steering flow	-
Tank capacity	45.5 gal or 172.2 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	-
Drawbar horsepower	269.77 hp or 201.2 kW
Fuel consumption	19.2 gal/hour or 72.7 l/hour
Pulling power	35,330 lbs or 16025 kg

Power take-off (PTO) specs

Claimed power	300 hp or 223.7 kW
Real power	303.99 hp or 226.7 kW
Engine @RPM	-
PTO Clutch	hydraulic wet disc
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	19.3 gal/hour or 73.1 l/hour

3 point hitch specifiations

Hitch system	lower-link
Rear hitch	4/4N
Rear hitch lift	10,250 lbs or 4649 kg
Front hitch	-
Front hitch lift	-

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