Deutz-Fahr AgroStar 8.31 VS John Deere 990 specs comparison

Deutz-Fahr AgroStar 8.31

General Infos

Make	Deutz-Fahr
Model	AgroStar 8.31
Country	Germany
Production	From 1993  Until 1996
Price	-
Tractor type	-
Fuel	diesel
Service repair manual	Deutz-Fahr AgroStar 8.31 Manual

Dimensions, sizes and tires

AG front tires	16.9R30
AG rear tires	20.8R42
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	19293 lbs or 8751 kg
Length	200.00 inches [508 cm]
Width	-
Height	120.87 inches [307 cm]
Wheelbase	118.11 inches [299 cm]
Ground clearance	-
Turning radius	-
Rear tread size	-
Front tread size	-
Turning radius	-

Horsepower and engin specs

Engine capacity	584 ci or 9.6 L
Cylinders	6 cylinders
Engine power	230 hp or 171.5 kW
Engine RPM	2300 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	97.0 gal or 367.1 L
Oil capacity	-
Oil change	-
Starter motor	-
Starter volts	-
Parts And Accessories	Deutz-Fahr AgroStar 8.31 Parts

Electrical and battery specs

Batteries number	-
Batteries voltage	-
Battries Amps	-
Cold Amps	-
Ground force	-
Charging system	-
Charging Volts	-
Charging Amps	-

Clutch and gearbox specs

Trans system	-
Trans type	-
Trans gears	18 forward and 9 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x4 MFWD 4WD
Final drive	-
Steering	-
Braking system	-
Cabin type	-
Differentiel lock	-

Hydraulics specifications

System	-
Valves	-
Pump flow	23.0 gpm or 87.1 lpm
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	-
Rear PTO RPM	1000 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	-
Rear hitch lift	23152 lbs or 10501 kg
Front hitch	-
Front hitch lift	-

John Deere 990

General Infos

Make	John Deere
Model	990
Country	United states
Production	From 2000  Until 2007
Price	-
Tractor type	Compact Utility tractor
Fuel	diesel
Service repair manual	John Deere 990 Manual

Dimensions, sizes and tires

AG front tires	6.5-16
AG rear tires	14.9-24
Lawn front tires	-
Lawn rear tires	-
Indus front tires	-
Indus rear tires	-
Weight	2594 lbs or 1176 kg
Length	123 inches [312 cm]
Width	-
Height	84.2 inches [213 cm]
Wheelbase	68.9 inches [175 cm]
Ground clearance	-
Turning radius	-
Rear tread size	46.2 inches
Front tread size	48.2 inches
Turning radius	-

Horsepower and engin specs

Engine capacity	121.7 ci or 2.0 L
Cylinders	4 cylinders
Engine power	38.5 hp or 28.7 kW
Engine RPM	2700 (rpm)
Torque	-
Torque RPM	-
Fuel type	diesel
Fuel injection	-
Fuel tank size	8.5 gal or 32.2 L
Oil capacity	5.6 qts or 5.3 L
Oil change	-
Starter motor	-
Starter volts	12 V
Parts And Accessories	John Deere 990 Parts

Electrical and battery specs

Batteries number	1
Batteries voltage	12 V
Battries Amps	-
Cold Amps	650
Ground force	negative
Charging system	alternator
Charging Volts	-
Charging Amps	20 amps

Clutch and gearbox specs

Trans system	Collar Shift
Trans type	partially synchronized
Trans gears	9 forward and 3 reverse
Clutch system	-

Cabine and mechanical specs

Wheel drive	4x2 2WD
Final drive	-
Steering	power
Braking system	wet disc
Cabin type	Two-post ROPS
Differentiel lock	-

Hydraulics specifications

System	open center
Valves	-
Pump flow	8.5 gpm or 32.2 lpm
SVC flow	-
Steering flow	4.5 gpm or 17.0 lpm
Tank capacity	5.5 gal or 20.8 L
Hydraulic pressure	2262 psi or 156.0 bar
Max flow	13 gpm or 49.2 lpm

Drawbar specifications

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

Power take-off (PTO) specs

Claimed power	35 hp or 26.1 kW
Real power	-
Engine @RPM	-
PTO Clutch	-
Rear PTO	live
Rear PTO RPM	540 (rpm)
Front PTO	-
Front PTO RPM	-
Mid PTO	-
Mid PTO RPM	-
Fuel consumption	-

3 point hitch specifiations

Hitch system	-
Rear hitch	I
Rear hitch lift	1,573 lbs or 713 kg
Front hitch	-
Front hitch lift	-

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