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Kubota F3990 Specifications
Kubota F3990 Engine
Engine Model ..................... Kubota V1505
Engine Type ..................... Vertical, water-cooled, indirect
Injection 4-cycle diesel
Number of Cylinders ..................... 4
Displacement, cu in (L) ..................... 91.4 (1.498)
Engine Bore, in (mm) ..................... 3.07 (78.0)
Engine Stroke, in (mm) ..................... 3.09 (78.5)
Maximum Engine Power, hp (kW) ..................... 27.5 (36.9)
Rated Engine Speed, rpm ..................... 2500-2700
Maximum Torque, Nm (ft-lbs) ..................... 114.7 (84.6)
Torque Speed, rpm ..................... 2000
Compression ..................... 22.5:1
Firing Order ..................... 1-3-4-2
Fuel Injection Pump ..................... Bosch MD type
Injection Nozzle ..................... Mini nozzle
Lubricating System ..................... Forced Lubrication by pump
Fuel Tank Capacity, gal (L) ..................... 16.0 (61.0)
Oil Capacity, qts (L) ..................... 5.0 (4.7)
Coolant Capacity, qts (L) ..................... 3.9 (3.7)
Electrical System Rating, Volts ..................... 12
Starting System ..................... Electric Starter 12V, 1.2 kW
Kubota F3990 Power Take-Off
PTO Location ..................... Front
Front PTO Operational Type ..................... Independent
Drive System ..................... Shaft drive
PTO Clutch ..................... Wet multi plates
PTO Brake ..................... Wet single plate
PTO Speed, rpm ..................... 2583
PTO / Engine Speed, rpm ..................... 2583/2500
Transmission Configuration
Transmission Type ..................... Hydrostatic, High-Low gear shift
Forward Gears ..................... 2 Speed range
Reverse Gears ..................... 2 Speed range
Oil Capacity, qts (L) ..................... 14.8 (14.0)
Maximum Forward Speed, mph (kph) ..................... 12.5 (20.0)
Maximum Reverse Speed, mph (kph) ..................... 6.9 (11.0)
Kubota F3990 Wheels and Tires
Drive Wheels ..................... 4WD 4x4
Steering Configuration ..................... Front Steer
Steering System ..................... Hydrostatic power
Brake Type ..................... Wet disc
Front Tire Size ..................... 24x12.0-12
Rear Tire Size ..................... 18x9.5-8
Front Track Width, in (mm) ..................... 41.9 (1063)
Rear Track Width, in (mm) ..................... 40.1 (1020)
Dimensions and Weight
Wheelbase, in (mm) ..................... 51.2 (1300)
Length, in (mm) ..................... 98.9 (2510)
Height (ROPS), in (mm) ..................... 78.2 (1985)
Height (Steering Wheel), in (mm) ..................... 53.1 (1350)
Overall Width, in (mm) ..................... 53.9 (1370)
Ground Clearance, in (mm) ..................... 7.3 (185)
Weight (w/o Mower Deck), lb (kg) ..................... 1890 (855)
Kubota F3990 Attachments
60 inch Mower Deck
Mower Deck Model ..................... Kubota RCK60P-F36
Type ..................... Front-mount, Rear discharge
Number of Blades ..................... 3
Cutting Width, in (mm) ..................... 60 (1520)
Cutting Height, in (mm) ..................... 1.0-5.0 (25-127)
Cutting Height Adjustment, in (mm) ..................... Each 0.25 (6.4)
Depth, in (mm) ..................... 5.5 (140)
Deck Pan ..................... Welded
Thickness, in (mm) ..................... 0.108 (4.5)
Tilt Angle, degrees ..................... 90
Lift System ..................... Hydraulic 2-point hitch
72 inch Mower Deck
Mower Deck Model ..................... Kubota RCK72P-F36
Type ..................... Front-mount, Rear discharge
Number of Blades ..................... 3
Cutting Width, in (mm) ..................... 72 (1826)
Cutting Height, in (mm) ..................... 1.0-5.0 (25-127)
Cutting Height Adjustment, in (mm) ..................... Each 0.25 (6.4)
Depth, in (mm) ..................... 5.5 (140)
Deck Pan ..................... Welded
Thickness, in (mm) ..................... 0.108 (4.5)
Tilt Angle, degrees ..................... 90
Lift System ..................... Hydraulic 2-point hitch
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KUBOTA TRACTORS SPECIFICATIONS |
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KUBOTA ENGINES DATA AND SERVICE SPECS |
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KUBOTA FRONT END LOADERS |
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KUBOTA TRACTORS TROUBLESHOOTING | ||||
L235 | L2501 | L2550 | L275 | L3110 |
L3301 | L35 | L3710 | L3901 | L4310 |
L5030 | M4700 | M5700 | M6040 | M6800 |
M8200 | M8540 | M9000 | MX5100 | MX5200 |