Introduction
Kubota STA-30 Compact Utility Tractor
The Kubota STA-30 is a compact utility tractor produced between 2002 and 2005. Designed for versatility in agricultural and landscaping environments, it features a robust 3-cylinder diesel engine and a four-wheel-drive chassis.
Engine and Performance
The tractor is powered by the 1.5-liter Kubota D1643 liquid-cooled, 3-cylinder diesel engine. It produces a gross power output of 30 hp (22.4 kW) at a rated speed of 2700 RPM. The engine delivers 71.2 lb-ft (96.5 Nm) of torque at 1500 RPM, providing consistent performance for various implements.
Transmission and Drivetrain
Equipped with a hydrostatic transmission, the STA-30 offers infinite forward and reverse speeds across three distinct ranges, allowing for precise speed control during operation. The drivetrain features four-wheel drive as standard, supported by power steering for maneuverability and wet disc brakes for reliable stopping power.
Hydraulics and Power Take-Off
The machine features an independent rear PTO operating at 540 RPM. A mid-PTO, utilizing a 10-spline shaft, is also available for powering front-mounted or mid-mounted implements. The Category I rear hitch is equipped with position control, offering a lift capacity of 1,962 lbs (889 kg) at 24 inches behind the lift point, with a maximum capacity of 2,535 lbs (1,149 kg) at the link ends.
Dimensions and Operator Station
The STA-30 has a wheelbase of 63.4 inches and a ground clearance of 9.3 inches. The standard configuration includes a two-post folding ROPS for operator safety, with an optional cab available for enhanced protection. The tractor's width is 48.1 inches, making it suitable for tight operational spaces.
Conclusion
The Kubota STA-30 is a capable utility tractor suited for light-to-medium agricultural tasks, property maintenance, and groundskeeping. Its combination of hydrostatic transmission, four-wheel drive, and flexible PTO options makes it a durable choice for operators requiring a compact yet powerful machine.
Production Information of Kubota, STA-30
- Compact Utility tractor
| Manufacturer | Kubota |
|---|
Dimension and Tires Information of Kubota, STA-30
| Rear tread | 37.4 to 42.1 inches [94 to 106 cm] |
|---|---|
| Wheelbase | 63.4 inches [161 cm] |
| Ground clearance | 9.3 inches [23 cm] |
| Height (ROPS) | 92.5 inches [234 cm] |
| Length | 113 inches [287 cm] |
| Front tread | 40.2 inches [102 cm] |
| Width | 48.1 inches [122 cm] |
Minimum width with R1 tires.
| Standard tires (ag) | Front: 6.00-12. Rear: 9.5-22 |
|---|---|
| Lawn/turf front | 24x8.50-14 |
| Lawn/turf rear | 13.6-16 |
Engine Specifications of Kubota, STA-30
- Kubota D1643
- Liquid-cooled
- 3-cylinder
- Diesel
| Rated RPM | 2700 |
|---|---|
| Starter | Electric |
| Displacement | 89.3 ci [1.5 L] |
| Bore/Stroke | 3.23x3.64 inches [82 x 92 mm] |
| Power (gross) | 30 hp [22.4 kW] |
| Torque RPM | 1500 |
| Torque | 71.2 lb-ft [96.5 Nm] |
| Coolant capacity | 6.1 qts [5.8 L] |
| Oil capacity | 4.75 qts [4.5 L] |
| Starter volts | 12 |
Transmission Information of Kubota, STA-30
Transmission variants 1
| Type | Hydrostatic |
|---|---|
| Gears | Infinite forward and reverse (3-range) |
| Oil capacity | 19.6 qts [18.5 L] |
Mechanical Specs of Kubota, STA-30
- Four-wheel drive
- Two-post folding ROPS. Cab optional.
- Power steering
- Wet disc brakes
Power Information of Kubota, STA-30
| Rear PTO | Independent |
|---|---|
| Mid PTO Type | 2500 (Kubota 10-spline) |
| Mid PTO Type(optional) | 800@2738 |
| Rear PTO Type | 540 (1.375) |
| Engine RPM | 1700@2710 |
| Engine RPM | 540@2373 |
Three-Point Hitch of Kubota, STA-30
| Rear Type | I |
|---|---|
| Rear lift (at 24"/610mm) | 1962 lbs [889 kg] |
| Control | Position control |
| Rear lift (at ends) | 2535 lbs [1149 kg] |
Electrical System of Kubota, STA-30
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging system | Alternator |
| Battery CCA | 550 |
Where it sits
With 30 HP, the Kubota STA-30 sits between ST-25 (25 HP) and STV32 (32 HP) in Kubota's range. Its power puts it in the 17th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the Kubota STA-30 have?
The Kubota STA-30 delivers 30 HP.
What years was the Kubota STA-30 produced?
The Kubota STA-30 was produced in 2002-2005.
What engine does the Kubota STA-30 have?
The Kubota STA-30 is powered by a Diesel, 3-cylinder engine.
What transmission does the Kubota STA-30 use?
The Kubota STA-30 uses a Hydrostatic transmission.
Is the Kubota STA-30 4WD?
The Kubota STA-30 is available in 4WD.