Kubota STV40
The Kubota STV40 is a tractor produced by Kubota. It is equipped with a 111.4 ci 1.8 L engine. The listed engine power is Diesel (net): 37.8 hp / 28.2 kW; Diesel (gross): 34.7 hp / 25.9 kW. Transmission: infinite forward and reverse (3-range). Operating weight: 2150 to 2502 pounds.
Engine Power
Diesel (net): 37.8 hp / 28.2 kW; Diesel (gross): 34.7 hp / 25.9 kW
Fuel & Capacities
7.7 gal
29.1 L
Transmission
infinite forward and reverse (3-range)
Operating Weight
2150 to 2502 pounds
Overview
![]() | 2006 - 2014
STV SeriesCompact Utility tractor
STV Series
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Kubota |
Compact Utility tractor | |
Kubota STV40 Engine | |
|---|---|
Kubota 1.8L 3-cyl diesel | |
Fuel tank | 7.7 gal
29.1 L |
Engine details ... | |
Kubota STV40 Transmission | |
|---|---|
hydrostatic | |
Transmission details ... |
Kubota STV40 Power | |
|---|---|
Engine (gross) | 34.7 hp
25.9 kW |
Engine (net) | 37.8 hp
28.2 kW |
PTO (claimed) | 30.6 hp
22.8 kW |
Mechanical | |
|---|---|
Four-wheel drive | |
Differential lock | mechanical rear |
Power steering | |
Wet disc brakes | |
Two-post ROPS. Cab optional. | |
Hydraulics | |
|---|---|
Pressure | 2461 psi
169.7 bar |
Pump flow | 6.1 gpm
23.1 lpm |
Tractor hitch | |
|---|---|
Rear Type | I |
Control | position control |
Rear lift (at ends) | 2535 lbs
1149 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2670 |
800@2717 | |
Mid PTO Type | 2500 |
Engine RPM | 2500@2734 |
Dimensions & Tires | |
|---|---|
Wheelbase | 63.4 inches
161 cm |
Weight | 2150 to 2502 pounds |
Front tire | 6.00-12 |
Rear tire | 9.5-22 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Battery volts | 12 |
Engine
Engine Detail — 111.4 ci / 1.8 L Diesel
Manufacturer | Kubota D1803M |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 111.4 ci
1.8 L |
Bore/Stroke | 3.4x4.0 inches
86 x 102 mm |
Rated Power (net) | 37.8 hp
28.2 kW |
Power (gross) | 34.7 hp
25.9 kW |
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) |
Dimensions
Kubota STV40 Tires | |
|---|---|
Standard tires (ag) | Front: 6.00-12. Rear: 9.5-22 |
Lawn/turf front | 24x8.50-14 |
Lawn/turf rear | 13.6-16 |
Industrial front | 23x8.50-14 |
Industrial rear | 12.4-16 |
Dimensions | |
|---|---|
Wheelbase | 63.4 inches
161 cm |
Length | 105.5 inches
267 cm |
Width | 48 inches*Minimum width with R1 tires.
121 cm |
Height (ROPS) | 92.5 inches
234 cm |
Height (cab) | 85 inches
215 cm |
ROPS Weight | 2150 lbs
975 kg |
Cab Weight | 2502 lbs
1134 kg |
Ground clearance | 9.3 inches
23 cm |
Front tread | 40.6 inches
103 cm |
Rear tread | 37.4 to 42.1 inches
94 to 106 cm |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Kubota STV40.
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 STV40 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Kubota STV40.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare Kubota STV40 against same-era industry alternatives in the same horsepower class.
Current Model
Kubota
Kubota STV40
Engine Power:Diesel (net): 37.8 hp / 28.2 kW; Diesel (gross): 34.7 hp / 25.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester TD-6
Engine Power:34.4
Production Years:1940 - 1969
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