Kubota B3030
The Kubota B3030 is a tractor produced by Kubota. It is equipped with a 91.4 ci 1.5 L engine. The listed engine power is Diesel (net): 26.4 hp / 19.7 kW; Diesel (gross): 29.4 hp / 21.9 kW. Transmission: infinite forward and reverse (3-range). Operating weight: 1852 to 2282 pounds.
Engine Power
Diesel (net): 26.4 hp / 19.7 kW; Diesel (gross): 29.4 hp / 21.9 kW
Fuel & Capacities
8.2 gal
31.0 L
Transmission
infinite forward and reverse (3-range)
Operating Weight
1852 to 2282 pounds
Overview
![]() | 2007 - 2013
B30 SeriesCompact Utility tractor
B30 Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Compact Utility tractor | |
Kubota B3030 Engine | |
|---|---|
Kubota 1.5L 4-cyl diesel | |
Fuel tank | 8.2 gal
31.0 L |
Engine details ... | |
Kubota B3030 Transmission | |
|---|---|
hydrostatic | |
Transmission details ... |
Kubota B3030 Power | |
|---|---|
Engine (gross) | 29.4 hp
21.9 kW |
Engine (net) | 26.4 hp
19.7 kW |
PTO (claimed) | 22.7 hp
16.9 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Differential lock | mechanical rear |
Power steering | |
Wet disc brakes | |
Two-post folding ROPS. Cab optional with air-conditioning. | |
Hydraulics | |
|---|---|
Pressure | 2205 psi
152.0 bar |
Pump flow | 5.2 gpm
19.7 lpm |
Total flow | 9.1 gpm
34.4 lpm |
Steering flow | 3.9 gpm
14.8 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control |
Rear lift (at ends) | 2138 lbs
969 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2592 |
Mid PTO | optional |
Mid PTO Type | 2500 (Kubota 10-tooth #5) |
Engine RPM | 2500@2600 |
Dimensions & Tires | |
|---|---|
Wheelbase | 65.6 inches
166 cm |
Weight | 1852 to 2282 pounds |
Front tire | 7-12 |
Rear tire | 12.4-16 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 40 |
Battery volts | 12 |
Engine
Engine Detail — 91.4 ci / 1.5 L Diesel
Manufacturer | Kubota V1505 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 91.4 ci
1.5 L |
Bore/Stroke | 3.07x3.09 inches
78 x 78 mm |
Rated Power (net) | 26.4 hp
19.7 kW |
Power (gross) | 29.4 hp
21.9 kW |
Air cleaner | dry element |
Rated RPM | 2700 |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse (3-range) hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse (3-range) |
With 12.4-16 rear tires. | |
![]() | |
Dimensions
Kubota B3030 Tires | |
|---|---|
Standard tires (ag) | Front: 7-12. Rear: 12.4-16 |
Lawn/turf front | 24x8.50-12 |
Lawn/turf rear | 13.6-16 |
Dimensions | |
|---|---|
Wheelbase | 65.6 inches
166 cm |
ROPS Length | 114.2 inches
290 cm |
Cab Length | 118.5 inches
300 cm |
Width | 53.7 inches
136 cm |
Height (ROPS) | 91.3 inches
231 cm |
Height (cab) | 83.7 inches
212 cm |
ROPS Weight | 1852 lbs
840 kg |
Cab Weight | 2282 lbs
1035 kg |
Ground clearance | 12.4 inches
31 cm |
Front tread | 36.8 inches
93 cm |
Rear tread | 41.3 inches
104 cm |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota B3030.
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 B3030 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota B3030.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare Kubota B3030 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota B3030
Engine Power:Diesel (net): 26.4 hp / 19.7 kW; Diesel (gross): 29.4 hp / 21.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 254
Engine Power:24
Production Years:1982 - 1984
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