Kubota

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
Typediesel
Coolingliquid-cooled
Cylinders4-cylinder
Rated RPM2600
Bore/Stroke3.425x3.638 inches (87 x 92 mm)
Power (net)43 hp (32.1 kW)
Displacement134.1 ci (2.2 L)
ManufacturerKubota
Oil capacity8 qts (7.6 L)
Power (gross)45.3 hp (33.8 kW)
Starter volts12
Coolant capacity6.9 qts (6.5 L)
Capacity
Fuel11.3 gal (42.8 L)
Gear Hydraulic system10.6 gal (40.1 L)
Hydro Hydraulic system11.9 gal (45.0 L)
Variants
L4400F2WD gear
L4400DT4WD gear
L4400HST4WD hydro
Electrical
Groundnegative
Battery CCA582
Battery volts12
Charging amps40
Charging systemalternator
Hydraulics
Typeopen center
Valves0 to 3
Pump flow8.4 gpm (31.8 lpm)
Total flow13.5 gpm (51.1 lpm)
Gear Capacity10.6 gal (40.1 L)
Steering flow5.1 gpm (19.3 lpm)
Hydro Capacity11.9 gal (45.0 L)
Mechanical
ROPSFoldable two-post ROPS. Sunshade optional.
DriveTwo- or four-wheel drive
BrakesWet disc brakes
Power steeringyes
Differential lockrear standard
Production
TypeCompact Utility tractor
SeriesStandard L Series
Years made2004 - 2010
ManufacturerKubota
Attachments
OverviewFront-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
Optionshydrostatic, 8-speed constant mesh
Gear NoteFour gears (1-4) in two ranges (Low/High) and reverse (R). Mechanical shuttle shifting between forward-low and reverse.
Gear Typeconstant mesh
Gear Gears8 forward and 4 reverse
Hydrostatic NoteOriginally only available with a gear transmission, the hydrostatic was made an option on the L4400 in 2006.
Hydrostatic Typehydrostatic
Gear Oil capacity42.4 qts (40.1 L)
Hydrostatic Gearsinfinite forward and reverse (3-range)
Hydrostatic Oil capacity47.5 qts (45.0 L)
Tractor hitch
Rear TypeI
Rear lift (at ends)2870 lbs (1301 kg)
Rear lift (at 24"/610mm)2310 lbs (1047 kg)
Dimensions & Tires
Width62.4 inches (158 cm)
Ag rear14.9-24
Ag front6.0-16
2WD Length112.6 inches (286 cm)
4WD Length118.3 inches (300 cm)
Rear tread46.5 to 60.8 inches (118 to 154 cm)
2WD Wheelbase72.8 inches (184 cm)
4WD Wheelbase72.6 inches (184 cm)
Height (ROPS)85.4 inches (216 cm)
Lawn/turf rear44x8.50-20
2WD Front tread50.4 to 62.2 inches (128 to 157 cm)
4WD Front tread45.5 inches (115 cm)
Industrial rear17.5-24
Lawn/turf front27x8.50-15
Weight 2WD gear3301 lbs (1497 kg)
Weight 4WD gear3153 lbs (1430 kg)
Industrial front10.0-16.5
Weight 4WD hydro3307 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 PTOindependent
Engine RPM540@2475
Rear PTO Type540 (1.375)