Tractorpedia.com

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.
Kubota L4400tractorcompact utility tractordiesel enginehydrostatic transmission8-speed gear transmissionhydraulicsloaderbackhoetractor specifications
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

Rollback:23°
Dump time:1.3s
Attachment:J2513 Quick-Coupler (optional)
Dump angle:40°
Lower time:2.2s
Raise time:3.3s
Bucket width:72 inches (182 cm)
Rollback time:2.2s
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 type:Kubota BH92 Backhoe
Bucket force:4,548 lbs (2062 kg)
Loading height:87.4 inches (221 cm)
Reach from pivot:150.4 inches (382 cm)
Transport height:100.1 inches (254 cm)
Dipperstick force:2,698 lbs (1223 kg)
2-Foot flat digging depth:109.3 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)

Related Models

Kubota L4600

Model:L4600

Kubota L3400

Model:L3400

Kubota L4300

Model:L4300