Kubota BX23

Kubota BX23The Kubota BX23 is a backhoe loader tractor model manufactured from 2004 to 2005 by Kubota. It was available in four-wheel drive (4WD) version.

The Kubota BX23 is equipped with a 0.9 L (54.8 cu·in) three-cylinder diesel engine with 72.0 mm (2.83 in) of the cylinder bore and 73.6 mm (2.9 in) of the piston stroke, and a hydrostatic transmission with high-low gear shift (2 forward and 2 reverse) gears.

The Kubota BX23 backhoe loader tractor features:

  • The Kubota D905 diesel engine which produces 22.3 PS (16.4 kW; 22.0 HP) of horsepower.
  • Hydrostatic type steering
  • Wet disk type brakes
  • Open operator station with ROPS
  • Category I rear hitch with 310 kg (684 lbs) of maximum lift capacity
  • Independent middle PTO with 2,500 rpm
  • Independent rear PTO with 540 rpm

General specifications

General Specifications
ModelKubota BX23
Tractor typeBackhoe-loader tractor
Production years2004-2005
Dimensions and weight
Length4,260 mm (167.7 in)
Width1,145 mm (45.1 in)
Height2,180 mm (85.8 in)
Wheel base1,400 mm (55.1 in)
Ground clearance148 mm (5.8 in)
Weight1,224 kg (2,698 lbs)
Fuel capacity
Fuel tank capacity21 liters (5.5 US gal.; 4.6 Imp. gal)


Engine modelKubota D905
Engine type4-stroke, SOHC, three-cylinders
Displacement0.9 L, 898 cm2, (54.8 cu·in)
Max. horsepower22.3 PS (16.4 kW; 22.0 HP)
Max. torque54.9 N·m (5.6 kg·m, 40.5 ft·lb)
Cooling systemLiquid-cooled
Coolant capacity3.5 L (3.7 US. qt, 3.1 Imp. qt.)
Fuel usedDiesel fuel
Starting systemElectric starting with 12V starter
Starting support deviceGlow plug in combustion chamber
GovernorAll speed mechanical governor
Charging systemAlternator 12V
PTO shaft rotationCounterclockwise
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 systemForced lubrication by trochoid pump
Oil typeCF or higher
Recommended oil:SAE 10W-30, 10W-40
Oil capacity:2.5 L (2.6 US. qt, 2.2 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 filterFull flow paper filter (Cartridge type)
Oil pressure indicatingElectrical type switch
Oil and oil filter change intervalEvery 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
Chassis4×4 MFWD 4WD
Steering typeHydrostatic type
BrakesWet disk type
Transmission manufacturer or model
Transmission typeHydrostatic
GearsHigh-Low gear shift (2 forward and 2 reverse)
Speed Forward: 13.0 kmh (8.1 mph)
Reverse: 10.0 kmh (6.2 mph)
Transmission oil capacity10.1 L (2.7 US. gal, 2.2 Imp. gal.)


Front tiresLawn/turf/ind: 18×8.50-8
Rear tiresLawn/turf-ind: 26×12.00-12

Rear Hitch

Three-Point Hitch
Control type
Lift capacity (at ends)310 kg (684 lbs)

PTO (Power take-off shaft)

Middle PTO typeIndependent
Middle PTO speed2,500 rpm
Rear PTO typeIndependent
Rear PTO speed540 rpm

Electrical system

Electrical system
Charging system
Charging amps
Battery12V, CCA: 535A

Hydraulic system

Hydraulic system
Hydraulic type
Total flow5.5 gpm (20.8 lpm)


Kubota BX22 Loader
Height (to pin):1,780 mm (70.1 in)
Clearance, dumped bucket:1,300 mm (51.2 in)
Dump reach:750 mm (29.9 in)
Dump angle:45°
Reach at ground:1,310 mm (51.6 in)
Rollback angle:25°
Breakout force (lift):383 kg (845 lbs)
Lift to full height (at pin):208 kg (460 lbs)
Raise time to height2.9 s
Bucket dump time1.4 s
Lowering time2.9 s
Rollback time1.5 s
Kubota BX22 backhoe
Weight279 kg (617 lbs)
2-Foot flat digging depth1,830 mm (72.4 in)
Reach from pivot2,480 mm (97.8 in)
Loading height1,630 mm (64.2 in)
Bucket force878 kg (1,936 lbs)
Dipperstick force515 kg (1,137 lbs)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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