Kubota GT-30

The Kubota GT-30 is a tractor produced by Kubota. It is equipped with a 91.5 ci 1.5 L engine. The listed engine power is Diesel (listed): 29.6 hp / 22.1 kW. Transmission: infinite forward and reverse (3-range). Operating weight: 2094 to 2183 pounds.

Engine Power
Diesel (listed): 29.6 hp / 22.1 kW
Fuel & Capacities
7.4 gal 28.0 L
Transmission
infinite forward and reverse (3-range)
Operating Weight
2094 to 2183 pounds

Overview

Kubota GT-30 tractor photo
2001 - 2002 GT SeriesCompact Utility tractor GT Series Compact Utility tractor
Production
Manufacturer
Kubota
Compact Utility tractor
Variants
GT-30
gear
GT-30F
hydrostatic
GT-30J
large tire
Kubota GT-30 Engine
Kubota 1.5L 3-cyl diesel
Fuel tank
7.4 gal 28.0 L
Engine details ...
Kubota GT-30 Power
Engine
29.6 hp 22.1 kW
Mechanical
Four-wheel drive
Two-post folding ROPS.
Tractor hitch
Rear Type
1
Power Take-off (PTO)
Rear PTO Type
540/750/1000 (1.375)
Dimensions & Tires
Wheelbase
59.1 inches 150 cm
Weight
2094 to 2183 pounds
Front tire
7-14
Rear tire
11.2-24
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12

Engine

Engine Detail — 91.5 ci / 1.5 L Diesel

Manufacturer
Kubota D1503
Fuel Type
Diesel
Configuration
3-cylinder, liquid-cooled
Displacement
91.5 ci 1.5 L
Bore/Stroke
3.268x3.638 inches 83 x 92 mm
Power
29.6 hp 22.1 kW
Rated RPM
2700
Starter
electric
Starter volts
12
Kubota GT-30 Engine
Kubota GT-30 engine image
Image courtesy of Agro-Engineering

Transmission

Transmission options
12-speed
hydrostatic

Transmission — 12 forward and 4 reverse

Gears
12 forward and 4 reverse
Three gears (1-3), plus reverse, in four ranges (creeper and 1-3).
GT-30   speeds

Transmission — infinite forward and reverse (3-range) hydrostatic

Type
hydrostatic
Gears
infinite forward and reverse (3-range)
GT-30  hydrostatic speeds

Dimensions

Kubota GT-30 Tires
Standard tires (ag)
Front: 7-14. Rear: 11.2-24
GT-30J Optional tires (ag)
Front: 7-16. Rear: 11.2-26
Dimensions
Wheelbase
59.1 inches 150 cm
Length
112.4 inches 285 cm
Width
52 inches 132 cm
Height (ROPS)
76.2 inches 193 cm
Height (cab)
77 inches 195 cm
Gear Weight
2094 lbs 949 kg
Hydro Weight
2183 lbs 990 kg
Ground clearance
13.4 inches 34 cm
Front tread
41.3 inches 104 cm
Rear tread
41.3 to 49.84 inches 104 to 126 cm

Photos

Kubota GT30 with ROPS.

Kubota GT30 with ROPS.

Kubota GT30 with ROPS.

Kubota GT30 with ROPS.

Kubota GT30 with ROPS.

Kubota GT30 with ROPS.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 with cab.

Kubota GT30 cab interior.

Kubota GT30 cab interior.

Recommended Implements & Sizing Guide

Engineering recommendations for Kubota GT-30 based on its 29.6 HP power envelope and ASAE agricultural standards.

Implement & OperationRecommended SizeWorkload RatingEngineering Notes
Moldboard PlowPrimary Tillage
1 to 2 Bottom (12")1 - 2 铧 (30 cm)Light DutyIdeal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing
5 ft (60 in)1.5 mMedium DutyPasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep
54 to 60 in135 - 150 cmMedium DutyThorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage
5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)Light DutySmall acreage soil break-up and secondary aeration.
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota GT-30.

Estimated Continuous Field Runtime: 4.8 hrs

Approximately 4.8 hours of continuous field operation at ~75% rated power on a full tank (7.4 gal / 28 L).

Estimated 75% Load Fuel Burn~1.5 gal/hr (5.8 L/hr)

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 GT-30 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota GT-30.

Converted Equivalents:

Horsepower (HP)29.6 hp
Kilowatts (kW)22.1 kW
Metric Horsepower (PS / CV)30 PS

Direct Competitor Comparison

Compare Kubota GT-30 against same-era industry alternatives in the same horsepower class.

Current Model
Kubota

Kubota GT-30

Engine Power:Diesel (listed): 29.6 hp / 22.1 kW
★ Baseline Reference
DeereMarket Competitor

Deere AWD

Engine Power:26.7
Production Years:1918 - 1919
CaseIHMarket Competitor

CaseIH 1140

Engine Power:27
Production Years:1991 - 1991
Massey FergusonMarket Competitor

Massey Ferguson 1230

Engine Power:27
Production Years:1993 - 2002
Hart-ParrMarket Competitor

Hart-Parr 12-24

Engine Power:26.7
Production Years:1924 - 1930