Kubota B2050

Kubota B2050The Kubota B2050 is a compact utility tractor model from the B50 series, manufactured from 2014 to 2018 by Kubota. It was available in a four-wheel drive (4WD) version.

The Kubota B2050 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 a mechanical shuttle transmission with 9 forward and 9 reverse gears.

The Kubota B2050 compact utility tractor features:

  • The D1105 diesel engine which produces 19.9 PS (14.6 kW; 19.6 HP) at 2,500 rpm of horsepower
  • Power steering
  • Wet disc type brakes
  • Open operator station with two-post ROPS
  • Category I rear hitch with 970 kg (2139 lbs) of maximum lift capacity
  • Optional middle PTO with 2,500 rpm
  • Transmission rear PTO with 540 rpm

General specifications

General Specifications
Model Kubota B2050
Tractor type Compact utility tractor
Production years 2014-2018
Factory
Dimensions and weight
Length 2,730 mm (107.5 in)
Width 1,020 mm (40.2 in)
Height 2,300 mm (90.6 in)
Wheel base 1,500 mm (59.1 in)
Weight 725 kg (1,598 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 19.9 PS (14.6 kW; 19.6 HP) at 2,500 rpm
Cooling system Liquid-cooled
Coolant capacity: 4.6 L (4.9 US. qt, 4 Imp. qt.)
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 capacity: 3.1 L (3.3 US. qt, 2.7 Imp. qt.)
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 Wet disc type
Final drive Mechanical rear
Transmission
Transmission manufacturer or model
Transmission type Mechanical shuttle
Gears 9 forward and 9 reverse
Speed Forward: 17.7 kmh (11 mph)
Reverse: 16.2 kmh (10.1 mph)
Transmission oil capacity 16.5 L (4.4 US. gal, 3.6 Imp. gal.)

Tires

Tires
Front tires Ag: 6-12
Lawn/turf: 22×8.50-12
Rear tires Ag: 8-16
Lawn/turf: 31×13.5-15

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 Transmission
Rear PTO speed 540 rpm

Electrical system

Electrical system
Ground Negative
Charging system
Charging amps
Battery 12V, CCA: 430A

Hydraulic system

Hydraulic system
Hydraulic type Open center
Hydraulic capacity 16.5 L (4.4 US. gal, 3.6 Imp. gal.)
Pressure 2347 psi (161.8 bar)
Total 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 lbs)
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 lbs)
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 157 kg (348 lbs)
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: 45°
Rollback angle: 25°
Lift to full height (at pin): 420 kg (926 lbs)

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