Kubota L4630
The Kubota L4630 is a tractor produced by Kubota. It is equipped with a 134.1 ci 2.2 L engine. The listed engine power is Diesel (net): 44.7 hp / 33.3 kW; Diesel (gross): 47.2 hp / 35.2 kW. Transmission: Glide Shift Creeper. Operating weight: 3440 lbs (DT) 1560 kg.
Engine Power
Diesel (net): 44.7 hp / 33.3 kW; Diesel (gross): 47.2 hp / 35.2 kW
Fuel & Capacities
10.6 gal
40.1 L
Transmission
Glide Shift Creeper
Operating Weight
3440 lbs (DT)
1560 kg
Overview
![]() | 2003 - 2007
L30 SeriesCompact Utility tractor
L30 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Compact Utility tractor | |
Variants | |
|---|---|
L4630DT | 4WD 8 speed |
L4630GST | 4WD 12 speed |
L4630HST | hydro |
L4630GSTC | cab |
Kubota L4630 Engine | |
|---|---|
Kubota 2.2L 4-cyl diesel | |
Fuel tank | 10.6 gal
40.1 L |
Engine details ... | |
Kubota L4630 Power | |
|---|---|
Engine (gross) | 47.2 hp
35.2 kW |
Engine (net) | 44.7 hp
33.3 kW |
Gear PTO (claimed) | 39.5 hp
29.5 kW |
Hydro PTO (claimed) | 38 hp
28.3 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Power steering | |
Wet disc brakes | |
Two-post folding ROPs. Grand Cab optional. |
Hydraulics | |
|---|---|
Type | open center |
Valves | 3 OptOptional |
Pump flow | 9.8 gpm
37.1 lpm |
Total flow | 14.7 gpm
55.6 lpm |
Steering flow | 4.9 gpm
18.5 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control with optional draft control |
Rear lift (at 24"/610mm) | 2760 lbs
1251 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Mid PTO | independent OptOptional |
Mid PTO Type | 2000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 74.6 inches
189 cm |
Weight | 3440 to 3815 pounds |
Front tire | 8.3-16 |
Rear tire | 14.9-24 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
ROPS Charging amps | 40 |
Cab Charging amps | 60 |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Grand L 30 Series published in 2004, by Kubota* | |
*Publication contains known errors. |
Engine
Engine Detail — 134.1 ci / 2.2 L Diesel
Manufacturer | Kubota |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 134.1 ci
2.2 L |
Bore/Stroke | 3.425x3.638 inches
87 x 92 mm |
Power (net) | 44.7 hp
33.3 kW |
Power (gross) | 47.2 hp
35.2 kW |
Fuel system | indirect injection |
Air cleaner | dual dry element |
Rated RPM | 2700 |
Starter volts | 12 |
Transmission
Transmission options | |
|---|---|
hydrostatic | |
8-speed fully synchronized | |
12-speed power shift | |
24-speed |
Transmission — infinite forward and reverse (3-range) hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse (3-range) |
![]() | |
Transmission — FST
Transmission | FST |
Type | fully synchronized |
Gears | 8 forward and reverse |
Synchronized transmission with mechanical shuttle. | |
Transmission — Glide Shift
Transmission | Glide Shift |
Type | power shift |
Gears | 12 forward and 8 reverse |
Transmission | Glide Shift Creeper |
Gears | 24 forward and 16 reverse |
Dimensions
Kubota L4630 Tires | |
|---|---|
Standard tires (ag) | Front: 8.3-16. Rear: 14.9-24 |
Dimensions | |
|---|---|
Wheelbase | 74.6 inches
189 cm |
Length | 121.3 inches
308 cm |
Width | 66.5 inches
168 cm |
Height (ROPS) | 91.1 inches
231 cm |
Height (cab) | 87 inches
220 cm |
Weight | 3440 lbs (DT)
1560 kg |
3815 lbs (GSTC)
1730 kg | |
Ground clearance | 14.8 inches
37 cm |
Front tread | 51.2 inches
130 cm |
Rear tread | 50.6/56.5/:60.2 inches
128/143/0 cm |
Attachments
Attachment overview | |
|---|---|
Snowblower | |
Blade | |
Front-end loader | |
Backhoe |
Kubota BL4690B Backhoe | |
|---|---|
Backhoe type | 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 |
Kubota BH90 Backhoe | |
|---|---|
Backhoe type | 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 |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota L4630.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Kubota L4630 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota L4630.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare Kubota L4630 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota L4630
Engine Power:Diesel (net): 44.7 hp / 33.3 kW; Diesel (gross): 47.2 hp / 35.2 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 404
Engine Power:40.8
Production Years:1961 - 1968
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