Introduction
Kubota L4400 Compact Utility Tractor
The Kubota L4400 is a compact utility tractor produced between 2004 and 2010. It belongs to the L-series and is designed for a variety of agricultural, landscaping, and property maintenance tasks, offering a balance between power and maneuverability.
Engine and Performance
The tractor is powered by a 2.2-liter, 4-cylinder liquid-cooled diesel engine. It generates a gross power output of 45.3 hp (33.8 kW) at a rated speed of 2600 RPM, with a net power rating of 43 hp (32.1 kW). This engine configuration provides the necessary torque for demanding field operations.
Transmission and Drivetrain
The L4400 offers two transmission options: a hydrostatic transmission featuring three ranges with infinite forward and reverse speeds, or a constant mesh gear transmission providing 8 forward and 4 reverse speeds. The machine is available in either two-wheel or four-wheel drive configurations and includes a standard rear differential lock to improve traction in challenging soil conditions.
Hydraulics and PTO
The hydraulic system is of an open-center design, delivering a total flow of 13.5 gpm (51.1 lpm), with 8.4 gpm allocated to the pump and 5.1 gpm dedicated to power steering. The rear independent PTO operates at 540 RPM at an engine speed of 2475 RPM, providing consistent power to implements.
Hitch and Dimensions
Equipped with a Category I rear hitch, the tractor offers a lift capacity of 2870 lbs (1301 kg) at the link ends. The 4WD model has a wheelbase of 72.6 inches (184 cm) and a front axle clearance of 15.7 inches (39 cm), allowing for stable operation across uneven terrain.
Conclusion
The Kubota L4400 is a versatile utility tractor suited for operators requiring a reliable machine for general agricultural duties, medium-scale property management, and implement-heavy tasks. Its choice of transmission and drivetrain configurations allows it to be adapted to various operational environments.
Production Information of Kubota, L4400
- Compact Utility tractor
| Manufacturer | Kubota |
|---|
Dimension and Tires Information of Kubota, L4400
| Rear tread | 46.5 to 60.8 inches [118 to 154 cm] |
|---|---|
| 2WD Wheelbase | 72.8 inches [184 cm] |
| Width | 62.4 inches [158 cm] |
| 4WD Length | 118.3 inches [300 cm] |
| 4WD Wheelbase | 72.6 inches [184 cm] |
| 4WD Clearance (front axle) | 15.7 inches [39 cm] |
| Height (ROPS) | 85.4 inches [216 cm] |
| 2WD Length | 112.6 inches [286 cm] |
| 4WD Front tread | 45.5 inches [115 cm] |
| 2WD Front tread | 50.4 to 62.2 inches [128 to 157 cm] |
| 2WD Clearance (front axle) | 15.4 inches [39 cm] |
| Lawn/turf rear | 44x8.50-20 |
|---|---|
| 2WD Standard tires (ag) | Front: 7.5L-15. Rear: 14.9-24 |
| Ag rear | 14.9-24 |
| Ag front | 6.0-16 |
| 4WD Standard tires (ag) | Front: 8.3-16. Rear: 14.9-24 |
| Industrial front | 10.0-16.5 |
| Lawn/turf front | 27x8.50-15 |
| 2WD Optional tires (ag) | Front: 6.00-16. Rear: 14.9-24 |
| Industrial rear | 17.5-24 |
Engine Specifications of Kubota, L4400
- Kubota
- Liquid-cooled
- Diesel
- 4-cylinder
| Oil capacity | 8 qts [7.6 L] |
|---|---|
| Displacement | 134.1 ci [2.2 L] |
| Power (gross) | 45.3 hp [33.8 kW] |
| Bore/Stroke | 3.425x3.638 inches [87 x 92 mm] |
| Coolant capacity | 6.9 qts [6.5 L] |
| Starter volts | 12 |
| Rated RPM | 2600 |
| Power (net) | 43 hp [32.1 kW] |
Transmission Information of Kubota, L4400
Transmission variants 1
- Originally only available with a gear transmission, the hydrostatic was made an option on the L4400 in 2006.
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse (3-range) |
| Oil capacity | 47.5 qts [45.0 L] |
Transmission variants 2
- Four gears (1-4) in two ranges (Low/High) and reverse (R). Mechanical shuttle shifting between forward-low and reverse.
| Type | Constant mesh |
|---|---|
| Gears | 8 forward and 4 reverse |
| Oil capacity | 42.4 qts [40.1 L] |
- Hydrostatic
- 8-speed constant mesh
Mechanical Specs of Kubota, L4400
- Two- or four-wheel drive
- Foldable two-post ROPS. Sunshade optional.
- Wet disc brakes
- Power steering
| Differential lock | Rear standard |
|---|
Power Information of Kubota, L4400
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 540@2475 |
Hydraulics Specifications of Kubota, L4400
| Steering flow | 5.1 gpm [19.3 lpm] |
|---|---|
| Type | Open center |
| Pump flow | 8.4 gpm [31.8 lpm] |
| Valves | 0 to 3 |
| Gear Capacity | 10.6 gal [40.1 L] |
| Total flow | 13.5 gpm [51.1 lpm] |
| Hydro Capacity | 11.9 gal [45.0 L] |
Three-Point Hitch of Kubota, L4400
| Rear Type | I |
|---|---|
| Rear lift (at ends) | 2870 lbs [1301 kg] |
| Rear lift (at 24"/610mm) | 2310 lbs [1047 kg] |
Electrical System of Kubota, L4400
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery CCA | 582 |
| Charging system | Alternator |
| Charging amps | 40 |
Where it sits
With 45 HP, the Kubota L4400 sits between L3400 (34 HP) and L4600 (46 HP) in Kubota's range. Its power puts it in the 30th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the Kubota L4400 have?
The Kubota L4400 delivers 45 HP.
What years was the Kubota L4400 produced?
The Kubota L4400 was produced in 2004-2010.
What engine does the Kubota L4400 have?
The Kubota L4400 is powered by a Diesel, 4-cylinder engine.
What transmission does the Kubota L4400 use?
The Kubota L4400 uses a Hydrostatic transmission.
Is the Kubota L4400 4WD?
The Kubota L4400 is available in 2WD/4WD.