Kubota B2231

Kubota B2231The Kubota B2231 is a 4WD compact utility tractor from the B2 series. This tractor has been manufactured by the Kubota since 2018. The Kubota B2231 is equipped with a 1.1 L three-cylinder diesel engine and one of two transmissions: gear type transmission (B2231DB version) with 9 forward and 9 reverse gears or hydrostatic transmission with infinite (3-range) forward and reverse.

The Kubota B2231 compact utility tractor used the Kubota D1105 engine. It is a 1.1 L, 1,123 cm2, (68.5 cu·in) three-cylinder natural aspirated diesel engine with 78.0 mm (3.07 in) of the cylinder bore and 78.4 mm (3.09 in) of the piston stroke. This engine produced 23 PS (16.9 kW; 22.7 HP) at 2,500 rpm of maximum output power.

The Kubota B2231 is equipped with power steering, multi-plate wet disc brakes, “Bi-speed” turn mechanism, open operator station with two-post ROPS (B2231HDB) or Cab (B2231HDBC) and 27.0 liters (7.1 US gal.; 5.9 Imp. gal) fuel tank.

Following attachments are available for the Kubota B2231 compact utility tractor:

  • Mid-mount Kubota: 54 in (1,370 mm) mower deck with 3-blades
  • Mid-mount Kubota: 60 in (1,520 mm) mower deck with 3-blades
  • Kubota LA424EC loader

Kubota B2231 Specifications

General Specifications
Model Kubota B2231
Length ROPS: 2,730 mm (107.5 in)
Cab: 2,887 mm (113.7 in)
Width 1,234 mm (48.6 in)
Height ROPS: 2,327 mm (91.6 in)
Cab: 2,087 mm (82.2 in)
Wheelbase ROPS: 1,500 mm (59.1 in)
Cab: 1,560 mm (61.4 in)
Weight B2231DB: 755 kg (1,664 lbs)
B2231HDB: 785 kg (1,730 lbs)
B2231HDBC: 1,015 kg (2,238 lbs)
Fuel tank capacity 27.0 liters (7.1 US gal.; 5.9 Imp. gal)
Battery 12V
Cabin type Open operator station with two-post ROPS or Cab (option)
Engine
Engine model Kubota D1105
Engine type Four-stroke, liquid-cooled, inline
Cylinders 3
Fuel type Diesel
Displacement 1.1 L, 1123 cm2, (68.5 cu·in)
Bore and stroke 78.0 mm X 78.4 mm (3.07 in X 3.09 in)
Horsepower 23 PS (16.9 kW; 22.7 HP) at 2,500 rpm
Starter Electric
Transmission and chassis
Chassis 4×4 MFWD 4WD
Steering type Power
Brakes Multi plate wet disc
Differential lock Mechanical rear
Transmission model
Transmission type Gear type
Gears 9 forward and 9 reverse
Speed Forward: 20.1 kmh (12.5 mph) Reverse: 18.4 (11.4 mph)
Transmission model
Transmission type Hydrostatic
Gears Infinite (3-range) forward and reverse
Speed Forward: 21.7 kmh (13.5 mph) Reverse: 17.3 (10.8 mph)
Tires
Front tires Ag: 6-12
Lawn/turf: 22×8.50-12
Rear tires Ag: 9.5-16
Lawn/turf: 31×13.5-15
Three-Point Hitch
Caterogy I
Control type Position control
Lift capacity (at ends) 970 kg (2,139 lbs)
PTO (Power take-off shaft)
Middle PTO type Optional
Middle PTO spped 2,500 rpm
Rear PTO type Independent
Rear PTO spped 540 rpm
Hydraulic system
Hydraulic type Open center
Pump flow 8.7 gpm (32.9 lpm)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.

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