John Deere 990 4WD Specs

(2000)

John Deere 990 4WD General Information

Brand John Deere 
Model John Deere 990 4WD 
Start year 2000 
End year 2007 
Category / Type Compact Utility tractor 
Distributor
Manufacturer John Deere 
Factory
Serial Number Location Serial number plate on the rear of the 990, below the PTO. 
Number of total built
Original Price (in USD)

John Deere 990 4WD Chassis, dimensions, weight and tires

Cabin Type Two-post ROPS. 
Wheelbase 68.9 in 
Length 123 in 
Fuel Capacity 8.5 
Operating Weight - lbs 
Front Tyres - Rims dimensions
Rear Tyres - Rims dimensions
Steering type power 
Brakes type wet disc 

John Deere 990 4WD Electrical System

Charging System alternator 
Charging Voltage - volts 
Ground negative 
Charging Amperage 20 A 
Number of batteries
Battery - voltage 12 volts 
Battery - Amp / Hour - Ah 
Battery - Cold Cranking Amperage 650 A 
Battery - Group
Engine Starter - voltage 12 v 

John Deere 990 4WD Engine and Transmission Technical Data

Number of cylinders 4-cylinder 
Fuel Type diesel 
Engine Code Yanmar 4TNE84 
Engine size - Displacement - Engine capacity 121.7 ci 
Bore x Stroke 3.31x3.54 
Compression Ratio 18:1 
Maximum power - Output - Horsepower - hp @ 2700 rpm 
Engine Cooling Type liquid-cooled 
Engine Air Filter / Cleaner dry 
Transmission Type partially synchronized Collar Shift 
Transmission / Gearbox gears 9 forward and 3 reverse 
Transmission Clutch
Drive wheels - Traction - Drivetrain 4x4 MFWD 4WD 

John Deere 990 4WD PTO - Power Take-Off

Rear PTO Type live (two-stage clutch) 
Rear PTO Power (Tested) 35 hp ( - hp) 
Rear PTO RPM 540 

John Deere 990 4WD Drawbar

Drawbar Power (Tested) - hp ( - hp) 

John Deere 990 4WD Hydraulics

Type open center 
NÂș of valves
Pump flow 8.5 gpm 
Steering flow 4.5 gpm