Kubota B2231
The Kubota B2231 is a compact utility tractor produced from 2018 onward. It features a Kubota 1.1L 3-cylinder liquid-cooled diesel engine delivering 22.7 hp gross and 20.4 hp net power. The tractor has a hydrostatic transmission with infinite forward and reverse speeds across 3 ranges. It includes four-wheel drive, mechanical rear differential lock, power steering, and wet disc brakes. The B2231 offers a two-post folding ROPS with an optional cab with air-conditioning. Hydraulics provide 2347 psi pressure and 8.7 gpm flow. The tractor hitch is category I with position control and a rear lift capacity of 2138 lbs. PTO options include an independent rear PTO at 540 rpm and an optional mid PTO. Dimensions vary with ROPS or cab configurations, with weights from 1874 to 2381 lbs. Attachments include mid-mount mower decks (137 cm and 152 cm) and a front-end loader (LA424EC). Electrical system is 12 volts with negative ground and alternator charging.
Power22 hp
Founded2018 -
ModelB2231
Technical Specifications
Detailed specifications and technical data for Kubota B2231
Power
| Engine (net) | 20.4 hp (15.2 kW) |
|---|---|
| PTO (claimed) | 16.8 hp (12.5 kW) |
| Engine (gross) | 22.7 hp (16.9 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Kubota 1.1L 3-cyl diesel |
| Cooling | liquid-cooled |
| Starter | electric |
| Cylinders | 3-cylinder |
| Fuel tank | 7.1 gal (26.9 L) |
| Rated RPM | 2500 |
| Air cleaner | dry element |
| Bore/Stroke | 3.07x3.09 inches (78 x 78 mm) |
| Displacement | 68.5 ci (1.1 L) |
| Power (gross) | 22.7 hp (16.9 kW) |
| Starter volts | 12 |
| Rated Power (net) | 20.4 hp (15.2 kW) |
Dimensions
| Width | 48.6 inches (123 cm) |
|---|---|
| Cab Length | 113.7 inches (288 cm) |
| Cab Weight | 2381 lbs (1080 kg) |
| Rear tread | 38.8 to 42.8 inches (98 to 108 cm) |
| Front tread | 32.8 to 38.2 inches (83 to 97 cm) |
| ROPS Length | 107.5 inches (273 cm) |
| ROPS Weight | 1874 lbs (850 kg) |
| Height (cab) | 82.2 inches (208 cm) |
| Cab Wheelbase | 61.4 inches (155 cm) |
| Height (ROPS) | 91.6 inches (232 cm) |
| ROPS Wheelbase | 59.1 inches (150 cm) |
| Ground clearance | 10.4 inches (26 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
| Charging system | alternator |
Hydraulics
| Pressure | 2347 psi (161.8 bar) |
|---|---|
| Total flow | 8.7 gpm (32.9 lpm) |
Mechanical
| ROPS | Two-post folding ROPS. Cab optional with air-conditioning. |
|---|---|
| Power steering | yes |
| Wet disc brakes | yes |
| Four-wheel drive | yes |
| Differential lock | mechanical rear |
Production
| Type | Compact Utility tractor |
|---|---|
| Manufacturer | Kubota |
| Production years | 2018 - |
Attachments
| 54" Mower deck | 54 inches (137 cm), 3-blade, right-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm), Weight: 328 lbs (148 kg) |
|---|---|
| 60" Mower deck | 60 inches (152 cm), 3-blade, right-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm), Weight: 353 lbs (160 kg) |
| LA424EC Loader | 926 lbs lift (full at pin) (420 kg), 44° dump, 25° rollback, 75.4 inches height (at pin) (191 cm), 56.9 inches clearance (dumped) (144 cm) |
| Front-end loader | yes |
| 137 cm mid-mount mower deck | 137 cm |
| 152 cm mid-mount mower deck | 152 cm |
Transmission
| Type | hydrostatic |
|---|---|
| Gears | infinite forward and reverse (3-range) |
Tractor hitch
| Control | position control |
|---|---|
| Rear Type | I |
| Rear lift (at ends) | 2138 lbs (969 kg) |
Power Take-off (PTO)
| Mid PTO | optional |
|---|---|
| Rear PTO | independent |
| Mid PTO Type | 2500 (Kubota 10-tooth #5) |
| Rear PTO Type | 540 (1.375) |
