Kubota B2231 is a compact utility tractor model from the B2 series, manufactured from 2018 by Kubota. It was available in four-wheel drive (4WD) version.
The Kubota B2231 is equipped with a 1.1 L (68.5 cu·in) three-cylinder diesel engine with 78.0 mm (3.07 in) of the cylinder bore and 78.4 mm (3.09 in) of the piston stroke, and one of two transmissions: a gear type transmission with 9 forward and 9 reverse gears or a hydrostatic transmission with infinite (3-range) forward and reverse gears.
The Kubota B2231 compact utility tractor features:
The Kubota D1105 diesel engine which produces 23 PS (16.9 kW; 22.7 HP) at 2,500 rpm of horsepower. Power steering Multi plate wet disc brakes Open operator station with two-post ROPS or Cab (option) Category I rear hitch with 970 kg (2,140 lbs) of maximum lift capacity Optional middle PTO with 2,500 rpm Independent rear PTO with 540 rpm General specifications General Specifications Model Kubota B2231 Tractor type Compact utility tractor Production years 2018- Factory – Dimensions and weight Length 2,730 mm (107.5 in) Width 1,234 mm (48.6 in) Height 2,327 mm (91.6 in) Wheel base 1,500 mm (59.1 in) Ground clearance 265 mm (10.4 in) Weight 755 kg (1,664 lbs) Fuel capacity Fuel tank capacity 27.0 liters (7.1 US gal.; 5.9 Imp. gal)
Engine Engine Specifications Engine model Kubota D1105 Engine type 4-stroke, SOHC, three-cylinders Displacement 1.1 L, 1,123 cm3 , (68.5 cu·in) Bore and stroke 78.0 mm X 78.4 mm (3.07 in X 3.09 in) Max. horsepower 23 PS (16.9 kW; 22.7 HP) at 2,500 rpm Cooling system Liquid-cooled Fuel used Diesel fuel Starting system Electric starting with 12V starter Starting support device Glow plug in combustion chamber Governor All speed mechanical governor Charging system Alternator 12V PTO shaft rotation Counterclockwise Valve clearance Intake valve clearance: 0.145-0.185 mm (0.0057-0.0073 in) Exhaust valve clearance: 0.145-0.185 mm (0.0057-0.0073 in) Oil system Lubrication system: Forced lubrication by trochoid pump Oil type: CF or higher Recommended oil: SAE 10W-30, 10W-40 Oil pressure: At idle speed: 49 MPa (0.5 kgf/cm2 , 7 psi)At rated speed: 196 to 441 MPa (2.0-4.5 kgf/cm2 , 28 to 64 psi) Oil filter: Full flow paper filter (Cartridge type) Oil pressure indicating: Electrical type switch Oil and oil filter change interval: Every 200 hours Fuel system Fuel injection pump: Bosch MD type mini fuel injection pump Injection nozzle: Mini Nozzle (DNOPD) Firing order: 1-2-3 Injection pressure: 13.73 MPa (140 kgf/cm2 , 1,991 psi)
Transmission and chassis Chassis, steering and brakes Chassis 4×4 MFWD 4WD Steering type Power Brakes Multi plate wet disc Transmission Transmission manufacturer or model – Transmission type Gear type Gears 9 forward and 9 reverse Speed Forward: 20.1 kmh (12.5 mph)Reverse: 18.4 kmh (11.4 mph) Transmission № 2 Transmission manufacturer or model – Transmission type Hydrostatic Gears Infinite (3-range) forward and reverse Speed Forward: 21.7 kmh (13.5 mph)Reverse: 17.3 kmh (10.8 mph)
Tires Tires Front tires Ag: 6-12Rear tires Ag: 9.5-16
Rear Hitch Three-Point Hitch Category I Control type Position control Lift capacity (at ends) 970 kg (2,140 lbs)
PTO (Power take-off shaft) PTO Middle PTO type Optional Middle PTO speed 2,500 rpm Rear PTO type Independent Rear PTO speed 540 rpm
Electrical system Electrical system Ground Negative Charging system Alternator Charging amps – Battery 12V
Hydraulic system Hydraulic system Hydraulic type Open center Pump flow 8.7 gpm (32.9 lpm)
Attachments Kubota 54″ mid-mount mower deck with 3-blade Cutting width 1,370 mm (54 in) Weight 148 kg (328 lb) Cut height 30-100 mm (1.5 to 4 in) Kubota 60″ mid-mount mower deck with 3-blade Cutting width 1,520 mm (60 in) Weight 160 kg (353 lb) Cut height 30-100 mm (1.5 to 4 in) Kubota LA424EC Loader Height (to pin): 1,910 mm (75.4 in) Clearance, dumped bucket: 1,440 mm (56.9 in) Dump angle: 44° Rollback angle: 25° Lift to full height (at pin): 420 kg (926 lbs)
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The Kubota B2231 is a compact utility tractor model from the B2 series, manufactured from 2018 by Kubota. It was available in four-wheel drive (4WD) version.
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