John Deere 850 VS Allis Chalmers 7580 specs comparison

John Deere 850

General Infos

Make	John Deere
Model	850
Country	United states
Production	From 1978  Until 1989
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 850 Manual

Dimensions, sizes and tires

AG front tires	5.00-15
AG rear tires	9.5-24
Lawn front tires	23/8.5-12
Lawn rear tires	23/8.5-12
Indus front tires	-
Indus rear tires	-
Weight	2400 lbs or 1088 kg
Length	117.7 inches [298 cm]
Width	53.3 inches [135 cm]
Height	-
Wheelbase	64 inches [162 cm]
Ground clearance	13.7 inches [34 cm]
Turning radius	-
Rear tread size	42 to 50 inches
Front tread size	42 to 58 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	78 ci or 1.3 L
Cylinders	3 cylinders
Engine power	25 hp or 18.6 kW
Engine RPM	2600 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	8.5 gal or 32.2 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 850 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	-

Clutch and gearbox specs

Trans system	-
Trans type	gear
Trans gears	8 forward and 2 reverse
Clutch system	210mm dry disc

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	manual
Braking system	differential mechanical expanding shoe
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	4.75 gal or 18.0 L
Hydraulic pressure	-
Max flow	-

Drawbar specifications

Drawbar type	-
Claimed power	19 hp or 14.2 kW
Drawbar horsepower	17.77 hp or 13.3 kW
Fuel consumption	1.6 gal/hour or 6.1 l/hour
Pulling power	2,699 lbs or 1224 kg

Power take-off (PTO) specs

Claimed power	22 hp or 16.4 kW
Real power	20.66 hp or 15.4 kW
Engine @RPM	540@2258 (rpm)
PTO Clutch	-
Rear PTO	transmission
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	1.4 gal/hour or 5.3 l/hour

3 point hitch specifiations

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

Allis Chalmers 7580

General Infos

Make	Allis Chalmers
Model	7580
Country	United states
Production	From 1977  Until 1981
Price	63,084  USD
Tractor type	Four wheel Drive (4WD) tractor
Fuel	diesel
Service repair manual	Allis Chalmers 7580 Manual

Dimensions, sizes and tires

AG front tires	23.1x30
AG rear tires	23.1x30
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	23,100 lbs or 10478 kg
Length	225 inches [571 cm]
Width	95.5 inches [242 cm]
Height	-
Wheelbase	126 inches [320 cm]
Ground clearance	17 inches [43 cm]
Turning radius	-
Rear tread size	62 to 123 inches
Front tread size	62 to 123 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	426 ci or 7.0 L
Cylinders	6 cylinders
Engine power	-
Engine RPM	2550 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	170 gal or 643.5 L
Oil capacity	25 qts or 23.7 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	Allis Chalmers 7580 Parts

Electrical and battery specs

Batteries number	4
Batteries voltage	12 V
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	alternator
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	Power Director
Trans type	partial power shift
Trans gears	20 forward and 4 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 articulated 4WD
Final drive	-
Steering	hydrostatic power
Braking system	hydraulic wet discs
Cabin type	Acousta cab standard with heat and air-conditioning
Differentiel lock	-

Hydraulics specifications

System	closed center
Valves	3 to 4
Pump flow	23 gpm or 87.1 lpm
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	74.9 gpm or 283.5 lpm

Drawbar specifications

Drawbar type	-
Claimed power	153 hp or 114.1 kW
Drawbar horsepower	153.70 hp or 114.6 kW
Fuel consumption	12.6 gal/hour or 47.7 l/hour
Pulling power	23,310 lbs or 10573 kg

Power take-off (PTO) specs

Claimed power	186 hp or 138.7 kW
Real power	186.35 hp or 139.0 kW
Engine @RPM	-
PTO Clutch	-
Rear PTO	independent
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	12.6 gal/hour or 47.7 l/hour

3 point hitch specifiations

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

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