Kubota lawn tractors
Kubota F3990
The Kubota F3990 is a front-mount mower lawn tractor from the F90 Series produced from 2014 onward. It features a 39 hp Kubota V1505 1498cc 4-cylinder liquid-cooled diesel engine with Tier IV emissions compliance. The hydrostatic transmission offers infinite forward and reverse speeds. The tractor has 4x4 4WD drive with standard differential lock, power steering, wet disc brakes, and a two-post foldable ROPS. Dimensions include a 51.2 inch wheelbase, 98.9 inch length, 78.1 inch width and height, and a weight of 1716 lbs. It rides on 24x12-12 front and 18x9.5-8 rear lawn/turf tires. Attachments include 60" and 72" front-mount mower decks with 3 blades and adjustable cut heights from 1 to 5 inches. Electrical system is 12 volts with a 60 amp alternator and negative ground.
Power-
Founded-
ModelF3990
Technical Specifications
Detailed specifications and technical data for Kubota F3990
Power
| Clutch | hydraulic wet disc |
|---|---|
| Engine RPM | $26,915@2015@@@@60-inch |
| Front PTO Type | 2580 |
| Power Take-off (PTO) | Front PTO independent |
Tires
| Lawn/turf rear | 18x9.5-8 |
|---|---|
| Lawn/turf front | 24x12-12 |
Engine
| Type | diesel |
|---|---|
| Model | Kubota V1505 |
| Power | 39 hp (29.1 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Emissions | Tier IV |
| Air cleaner | dual elment dry |
| Bore/Stroke | 3.071x3.087 inches (78 x 78 mm) |
| Displacement | 1498 cc (91.4 ci) |
| Starter volts | 12 |
Dimensions
| Width | 78.1 inches (198 cm) |
|---|---|
| Length | 98.9 inches (251 cm) |
| Weight | 1716 lbs (778 kg) |
| Wheelbase | 51.2 inches (130 cm) |
| Rear tread | 39.3 inches (99 cm) |
| Front tread | 41.2 inches (104 cm) |
| Height (ROPS) | 78.1 inches (198 cm) |
| Ground clearance | 9.3 inches (23 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging amps | 60 |
| Charging volts | 12 |
| Charging system | alternator |
Mechanical
| ROPS | Two-post foldable ROPS. |
|---|---|
| Drive | 4x4 4WD |
| Brakes | Wet disc brakes |
| Differential lock | standard |
Production
| Type | Front-mount mower |
|---|---|
| Series | F90 Series |
| Manufacturer | Kubota |
| Production years | 2014 - |
Attachments
| 60" front-mount mower deck | 60 inches (152 cm), front-mount, 3-blade, Cut height: 1 to 5 inch (2 to 12 cm), Cut adjustments: 17 |
|---|---|
| 72" front-mount mower deck | 72 inches (182 cm), front-mount, 3-blade, Cut height: 1 to 5 inch (2 to 12 cm), Cut adjustments: 17 |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse |