Kubota L4400
The Kubota L4400 is a compact utility tractor produced from 2004 to 2010 as part of Kubota's Standard L Series. It features a 2.2L 4-cylinder liquid-cooled diesel engine producing 45.3 hp gross and 43 hp net, with PTO power of 37.5 hp. The tractor offers two main transmission options: an 8-speed constant mesh gear transmission and a hydrostatic transmission introduced as an option in 2006. It is available in 2WD and 4WD variants, with mechanical features including rear differential lock, power steering, wet disc brakes, and a foldable two-post ROPS with optional sunshade. Hydraulic systems vary by transmission type, with open center hydraulics and up to 3 valves. The tractor supports a category I 3-point hitch with rear lift capacities up to 2870 lbs at the ends. Dimensions vary slightly between 2WD and 4WD models, with wheelbases around 72.6-72.8 inches and weights ranging from 3153 to 3307 lbs depending on configuration. The L4400 supports various attachments including front-end loaders and backhoes, with detailed specs for the LA703A loader and Kubota BH92 backhoe. Tire options include agricultural, lawn/turf, and industrial types. Electrical system features a 12-volt negative ground with a 40 amp alternator and 582 CCA battery.
Power45 hp
Founded2004 - 2010
ModelL4400
Technical Specifications
Detailed specifications and technical data for Kubota L4400
Power
| Engine (net) | 43 hp (32.1 kW) |
|---|---|
| PTO (claimed) | 37.5 hp (28.0 kW) |
| Engine (gross) | 45.3 hp (33.8 kW) |
Engine
| Type | diesel |
|---|---|
| Cooling | liquid-cooled |
| Cylinders | 4-cylinder |
| Rated RPM | 2600 |
| Bore/Stroke | 3.425x3.638 inches (87 x 92 mm) |
| Power (net) | 43 hp (32.1 kW) |
| Displacement | 134.1 ci (2.2 L) |
| Manufacturer | Kubota |
| Oil capacity | 8 qts (7.6 L) |
| Power (gross) | 45.3 hp (33.8 kW) |
| Starter volts | 12 |
| Coolant capacity | 6.9 qts (6.5 L) |
Capacity
| Fuel | 11.3 gal (42.8 L) |
|---|---|
| Gear Hydraulic system | 10.6 gal (40.1 L) |
| Hydro Hydraulic system | 11.9 gal (45.0 L) |
Variants
| L4400F | 2WD gear |
|---|---|
| L4400DT | 4WD gear |
| L4400HST | 4WD hydro |
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 582 |
| Battery volts | 12 |
| Charging amps | 40 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 0 to 3 |
| Pump flow | 8.4 gpm (31.8 lpm) |
| Total flow | 13.5 gpm (51.1 lpm) |
| Gear Capacity | 10.6 gal (40.1 L) |
| Steering flow | 5.1 gpm (19.3 lpm) |
| Hydro Capacity | 11.9 gal (45.0 L) |
Mechanical
| ROPS | Foldable two-post ROPS. Sunshade optional. |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Wet disc brakes |
| Power steering | yes |
| Differential lock | rear standard |
Production
| Type | Compact Utility tractor |
|---|---|
| Series | Standard L Series |
| Years made | 2004 - 2010 |
| Manufacturer | Kubota |
Attachments
| Overview | Front-end loader, Backhoe, Additional Kubota implements included 40, 50 or 60-inch rear tillers and a 64- or 74-inch rear-mount snowblower. |
|---|---|
| LA703A Loader | Rollback23° Dump time1.3s AttachmentJ2513 Quick-Coupler (optional) Dump angle40° Lower time2.2s Raise time3.3s Bucket width72 inches (182 cm) Rollback time2.2s Reach (dumped)19 inches (48 cm) Reach (ground)64.5 inches (163 cm) Height (at pin)102.4 inches (260 cm) Clearance (dumped)83.9 inches (213 cm) Lift (full at pin)1,818 lbs (824 kg) Breakout (at 500mm)1,543 lbs (699 kg) Lift (full at 500mm)1,356 lbs (615 kg) |
| Kubota BH92 Backhoe | Backhoe typeKubota BH92 Backhoe Bucket force4,548 lbs (2062 kg) Loading height87.4 inches (221 cm) Reach from pivot150.4 inches (382 cm) Transport height100.1 inches (254 cm) Dipperstick force2,698 lbs (1223 kg) 2-Foot flat digging depth109.3 inches (277 cm) |
Transmission
| Options | hydrostatic, 8-speed constant mesh |
|---|---|
| Gear Note | Four gears (1-4) in two ranges (Low/High) and reverse (R). Mechanical shuttle shifting between forward-low and reverse. |
| Gear Type | constant mesh |
| Gear Gears | 8 forward and 4 reverse |
| Hydrostatic Note | Originally only available with a gear transmission, the hydrostatic was made an option on the L4400 in 2006. |
| Hydrostatic Type | hydrostatic |
| Gear Oil capacity | 42.4 qts (40.1 L) |
| Hydrostatic Gears | infinite forward and reverse (3-range) |
| Hydrostatic Oil capacity | 47.5 qts (45.0 L) |
Tractor hitch
| Rear Type | I |
|---|---|
| Rear lift (at ends) | 2870 lbs (1301 kg) |
| Rear lift (at 24"/610mm) | 2310 lbs (1047 kg) |
Dimensions & Tires
| Width | 62.4 inches (158 cm) |
|---|---|
| Ag rear | 14.9-24 |
| Ag front | 6.0-16 |
| 2WD Length | 112.6 inches (286 cm) |
| 4WD Length | 118.3 inches (300 cm) |
| Rear tread | 46.5 to 60.8 inches (118 to 154 cm) |
| 2WD Wheelbase | 72.8 inches (184 cm) |
| 4WD Wheelbase | 72.6 inches (184 cm) |
| Height (ROPS) | 85.4 inches (216 cm) |
| Lawn/turf rear | 44x8.50-20 |
| 2WD Front tread | 50.4 to 62.2 inches (128 to 157 cm) |
| 4WD Front tread | 45.5 inches (115 cm) |
| Industrial rear | 17.5-24 |
| Lawn/turf front | 27x8.50-15 |
| Weight 2WD gear | 3301 lbs (1497 kg) |
| Weight 4WD gear | 3153 lbs (1430 kg) |
| Industrial front | 10.0-16.5 |
| Weight 4WD hydro | 3307 lbs (1500 kg) |
| Tires 2WD Optional (ag) | Front: 6.00-16. Rear: 14.9-24 |
| Tires 2WD Standard (ag) | Front: 7.5L-15. Rear: 14.9-24 |
| Tires 4WD Standard (ag) | Front: 8.3-16. Rear: 14.9-24 |
| 2WD Clearance (front axle) | 15.4 inches (39 cm) |
| 4WD Clearance (front axle) | 15.7 inches (39 cm) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Engine RPM | 540@2475 |
| Rear PTO Type | 540 (1.375) |
