Yanmar AF660 VS John Deere 850 specs comparison

Yanmar AF660

General Infos

Make	Yanmar
Model	AF660
Country	Japan
Production	From 2001  Until 2005
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Yanmar AF660 Manual

Dimensions, sizes and tires

AG front tires	8.3-20
AG rear tires	12.4-32
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	4971 lbs or 2254 kg
Length	138.6 inches [352 cm]
Width	64.6 inches [164 cm]
Height	97.8 inches [248 cm]
Wheelbase	79.1 inches [200 cm]
Ground clearance	15.2 inches [38 cm]
Turning radius	-
Rear tread size	50.4 to 64.2 inches
Front tread size	49.2 to 58.3 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	202.5 ci or 3.3 L
Cylinders	4 cylinders
Engine power	60 hp or 44.7 kW
Engine RPM	2500 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	17.2 gal or 65.1 L
Oil capacity	-
Oil change	-
Starter motor	electric
Starter volts	12 V
Parts And Accessories	Yanmar AF660 Parts

Electrical and battery specs

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

Clutch and gearbox specs

Trans system	-
Trans type	power shuttle
Trans gears	18 forward and reverse
Clutch system	hydraulic wet disc

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	power
Braking system	mechanical wet disc
Cabin type	Cab standard with air-conditioning
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	-
SVC flow	-
Steering flow	-
Tank capacity	-
Hydraulic pressure	-
Max flow	-

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	independent
Rear PTO RPM	564 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	position control
Rear hitch	I
Rear hitch lift	3754 lbs or 1702 kg
Front hitch	-
Front hitch lift	-

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	-

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