Kubota

Kubota L4630

The Kubota L4630 is a compact utility tractor produced from 2003 to 2007 as part of the L30 Series. It features a 2.2L 4-cylinder liquid-cooled diesel engine delivering 47.2 hp gross and 44.7 hp net power. The tractor offers multiple transmission options including hydrostatic, 8-speed fully synchronized, 12-speed power shift, and 24-speed. It includes four-wheel drive, power steering, wet disc brakes, and a two-post folding ROPS with an optional Grand Cab. The L4630 supports various attachments such as snowblowers, blades, front-end loaders, and backhoes, making it versatile for different tasks.

Power47 hp

Founded2003 - 2007

ModelL4630

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Technical Specifications

Detailed specifications and technical data for Kubota L4630

Power

Engine (net)	44.7 hp (33.3 kW)
Engine (gross)	47.2 hp (35.2 kW)
Gear PTO (claimed)	39.5 hp (29.5 kW)
Hydro PTO (claimed)	38 hp (28.3 kW)

Tires

Standard tires (ag)	Front: 8.3-16, Rear: 14.9-24

Engine

Model	Kubota 2.2L 4-cyl diesel
Fuel tank	10.6 gal (40.1 L)
Rated RPM	2700
Air cleaner	dual dry element
Bore/Stroke	3.425x3.638 inches (87 x 92 mm)
Fuel system	indirect injection
Power (net)	44.7 hp (33.3 kW)
Displacement	134.1 ci (2.2 L)
Power (gross)	47.2 hp (35.2 kW)
Starter volts	12

Variants

L4630DT	4WD 8 speed
L4630GST	4WD 12 speed
L4630HST	hydro
L4630GSTC	cab

Dimensions

Width	66.5 inches (168 cm)
Length	121.3 inches (308 cm)
Weight	3440 lbs (DT) (1560 kg), 3815 lbs (GSTC) (1730 kg)
Wheelbase	74.6 inches (189 cm)
Rear tread	50.6/56.5/60.2 inches (128/143/0 cm)
Front tread	51.2 inches (130 cm)
Height (cab)	87 inches (220 cm)
Height (ROPS)	91.1 inches (231 cm)
Ground clearance	14.8 inches (37 cm)

Electrical

Ground	negative
Battery volts	12
Charging system	alternator
Cab Charging amps	60
ROPS Charging amps	40

Hydraulics

Type	open center
Valves	3 Optional
Pump flow	9.8 gpm (37.1 lpm)
Total flow	14.7 gpm (55.6 lpm)
Steering flow	4.9 gpm (18.5 lpm)

Mechanical

Features	Four-wheel drive, Power steering, Wet disc brakes, Two-post folding ROPs. Grand Cab optional.

Production

Type	Compact Utility tractor
Series	L30 Series
Manufacturer	Kubota
Years produced	2003 - 2007

Attachments

Overview	Snowblower, Blade, Front-end loader, Backhoe
84" Blade	front-mount, 84 inches width (213 cm), hydraulic-lift
LA853 Loader	2374 lbs lift (full at pin) (1076 kg), 1764 lbs lift (full at 500mm) (800 kg), 3125 lbs breakout (at 500mm) (1417 kg), 45° dump, 20.1 inches reach (dumped) (51 cm), 75 inches reach (ground) (190 cm), 40° rollback, 113.6 inches height (at pin) (288 cm), 89.8 inches clearance (dumped) (228 cm), Bucket width: 72 inches (182 cm)
62" Snow blower	62 inches width (157 cm), two-stage, front-mount, hydraulic-lift
72" Snow blower	72 inches width (182 cm), two-stage, front-mount, hydraulic-lift
Kubota BH90 Backhoe	Transport height 98.9 inches (251 cm), Digging depth 108.9 inches (276 cm), Reach from pivot 146.5 inches (372 cm), Loading height 95.3 inches (242 cm), Bucket Rotation 180°, Swing Arc 180°, Bucket force 3871 lbs (1755 kg), Dipperstick force 2593 lbs (1176 kg)
Kubota BL4690B Backhoe	Transport height 76.8 inches (195 cm), Digging depth 90.2 inches (229 cm), Reach from pivot 116.5 inches (295 cm), Loading height 75.5 inches (191 cm), Bucket Rotation 180°, Swing Arc 180°, Bucket force 2950 lbs (1338 kg), Dipperstick force 1740 lbs (789 kg)

Transmission

FST	Typefully synchronized Gears8 forward and reverse NotesSynchronized transmission with mechanical shuttle.
Options	hydrostatic, 8-speed fully synchronized, 12-speed power shift, 24-speed
Glide Shift	Typepower shift Gears12 forward and 8 reverse
Hydrostatic	Typehydrostatic Gearsinfinite forward and reverse (3-range)
Glide Shift Creeper	Gears24 forward and 16 reverse