Kubota ST-25
The Kubota ST-25 is a tractor produced by Kubota. The listed engine power is Diesel (listed): 25 hp / 18.6 kW. Transmission: infinite forward and reverse (3-range).
Engine Power
Diesel (listed): 25 hp / 18.6 kW
Fuel & Capacities
Diesel
Transmission
infinite forward and reverse (3-range)
Overview
 | 1997 - 2001
ST SeriesCompact Utility tractor
ST Series
Compact Utility tractor |
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Production | |
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Manufacturer | Kubota |
Compact Utility tractor | |
Kubota ST-25 Engine | |
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Kubota 3-cyl diesel | |
Engine details ...  |
Kubota ST-25 Transmission | |
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hydrostatic | |
Transmission details ...  |
Kubota ST-25 Power | |
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Engine | 25 hp
18.6 kW |
Mechanical | |
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Four-wheel drive | |
Two-post ROPS. Cab optional. |
Tractor hitch | |
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Rear Type | I |
Dimensions & Tires | |
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Full dimensions and tires ...  |
Electrical | |
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Ground | negative |
Charging system | alternator |
Battery volts | 12 |
Engine
Engine Detail — Diesel
Manufacturer | Kubota |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Power | 25 hp
18.6 kW |
Starter | electric |
Starter volts | 12 |
Transmission
Transmission — infinite forward and reverse (3-range) hydrostatic
Type | hydrostatic |
Gears | infinite forward and reverse (3-range) |
Dimensions
Kubota ST-25 Tires |
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Dimensions |
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Photos
Kubota ST-25 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Kubota ST-25 based on its 25 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 5 ft (60 in)1.5 m | Medium Duty | Pasture maintenance and weeds up to 1.5" diameter. |
Rotary TillerSeedbed Prep | 54 to 60 in135 - 150 cm | Medium Duty | Thorough 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 Duty | Small 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 ST-25.
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 ST-25 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota ST-25.
Converted Equivalents:
Horsepower (HP)25 hp
Kilowatts (kW)18.6 kW
Metric Horsepower (PS / CV)25.3 PS
Direct Competitor Comparison
Compare Kubota ST-25 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota ST-25
Engine Power:Diesel (listed): 25 hp / 18.6 kW
★ Baseline Reference
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