Kubota ST-30
The Kubota ST-30 is a compact utility tractor produced from 1997 to 2001 as part of Kubota's ST Series. It features a 1.5L 4-cylinder liquid-cooled diesel engine producing 28.7 hp (21.4 kW) with a hydrostatic transmission offering infinite forward and reverse speeds in 3 ranges. The tractor includes four-wheel drive, wet disc brakes, and a two-post ROPS with an optional cab. It has a fuel tank capacity of 7.1 gallons (26.9 L) and a PTO power of 23.2 hp (17.3 kW). The ST-30 offers a rear hitch with position control and a rear lift capacity of 1830 lbs (830 kg). Dimensions include a 63-inch wheelbase, 107.1-inch length, and a width of 47.2 inches minimum with R1 tires. The tractor weighs between 1962 lbs (ROPS) and 2475 lbs (cab). Standard tires are 6.00-12 front and 9.5-22 rear, with lawn/turf tire options available. Electrical system is 12 volts with a negative ground and alternator charging.
Power28 hp
Founded1997 - 2001
ModelST-30
Technical Specifications
Detailed specifications and technical data for Kubota ST-30
Power
| Engine | 28.7 hp (21.4 kW) |
|---|---|
| PTO (claimed) | 23.2 hp (17.3 kW) |
Tires
| Lawn/turf rear | 13.6-16 |
|---|---|
| Lawn/turf front | 24x8.50-14 |
| Standard tires (ag) | Front: 6.00-12. Rear: 9.5-22 |
Engine
| Type | diesel |
|---|---|
| Model | Kubota V1505 |
| Power | 28.7 hp (21.4 kW) |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 4-cylinder |
| Fuel tank | 7.1 gal (26.9 L) |
| Rated RPM | 2600 |
| Bore/Stroke | 3.07x3.09 inches (78 x 78 mm) |
| Displacement | 91.4 ci (1.5 L) |
| Starter volts | 12 |
Dimensions
| Width | 47.2 inches (119 cm) *Minimum width with R1 tires. |
|---|---|
| Length | 107.1 inches (272 cm) |
| Wheelbase | 63 inches (160 cm) |
| Rear tread | 37.4 to 42.1 inches (94 to 106 cm) |
| Front tread | 40.2 inches (102 cm) |
| Height (cab) | 84.5 inches (214 cm) |
| Height (ROPS) | 90.5 inches (229 cm) |
| Ground clearance | 9.3 inches (23 cm) |
| Cab Shipping weight | 2475 lbs (1122 kg) |
| ROPS Shipping weight | 1962 lbs (889 kg) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Pump flow | 5.6 gpm (21.2 lpm) |
|---|
Mechanical
| ROPS | Two-post ROPS. Cab optional. |
|---|---|
| Drive | Four-wheel drive |
| Brakes | Wet disc brakes |
Production
| Series | ST Series |
|---|---|
| Category | Compact Utility tractor |
| Years made | 1997 - 2001 |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse (3-range) |
Tractor hitch
| Control | position control |
|---|---|
| Rear Type | I |
| Rear lift (at 24"/610mm) | 1830 lbs (830 kg) |
Power Take-off (PTO)
| Rear PTO | independent |
|---|---|
| Mid PTO Type | 1720/2490 |
| Rear PTO Type | 540/800 |
