Kubota B2320

Kubota B2320The Kubota B2320 is a compact utility tractor model from the B2x20 series, manufactured from 2008 to 2015 by Kubota. It was available in four-wheel drive (4WD) version.

The Kubota B2320 is equipped with a 1.0 L (61.1 cu·in) three-cylinder diesel engine with 76.0 mm (2.99 in) of the cylinder bore and 73.0 mm (2.87 in) of the piston stroke, and one of two transmissions: a gear shift transmission with 9 forward and 3 reverse gears and dry single-plate type clutch or a hydrostatic transmission with 3 range gear shift (3 forward and 3 reverse) gears.

Kubota B2320 compact utility tractor features:

  • The Kubota D1005-E4-D22 diesel engine which produces 21.2 PS (15.6 kW; 21.0 HP) at 2,800 rpm of horsepower
  • Integral type power steering
  • Wet disc type brakes
  • Open operator station with two-post ROPS
  • Category I rear hitch with 615 kg (1,355 lbs) of maximum lift capacity
  • Middle PTO with 2,500 rpm
  • Transmission or live (hydrostatic) rear PTO with 540/960 rpm

The Kubota B2320 variants:

  • B2320DT – gear type transmission
  • B2320DSD – hydrostatic transmission
  • B2320N – narrow chassis

General specifications

General Specifications
ModelKubota B2320
Tractor typeCompact utility tractor
Production years2008-2015
Dimensions and weight
Length2,385 mm (93.9 in)
Width1,145 mm (45.1 in)
Height2,130 mm (83.9 in)
Wheel base1,563 mm (61.5 in)
Ground clearance305 mm (12 in)
Weight650 kg (1,433 lbs)
Fuel capacity
Fuel tank capacity26.0 liters (6.9 US gal.; 5.7 Imp. gal)


Engine Specifications
Engine modelKubota D1005-E4-D22
Engine type4-stroke, SOHC, three-cylinders
Displacement1.0 L, 1,001 cm2, (61.1 cu·in)
Bore and stroke76.0 mm x 73.6 mm (3.0 in x 2.9 in)
Max. horsepower21.2 PS (15.6 kW; 21.0 HP) at 2,800 rpm
Cooling systemLiquid-cooled
Coolant capacity:3.9 L (4.1 US. qt, 3.4 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 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
Chassis4×4 MFWD 4WD
Steering typeIntegral type power steering
BrakesWet disc type
Transmission manufacturer or model
Transmission typeGear shift with dry single plate type clutch
Gears9 forward and 3 reverse
Speed Forward: 18.0 kmh (11.2 mph)
Reverse: 8.7 kmh (5.4 mph)
Transmission oil capacity14.0 L (3.7 US. gal, 3.1 Imp. gal.)
Transmission № 2
Transmission manufacturer or model
Transmission typeHydrostatic
Gears3 range gear shift (3 forward and 3 reverse)
Speed Forward: 18.9 kmh (11.7 mph)
Reverse: 15.1 kmh (9.4 mph)
Transmission oil capacity15.0 L (4 US. gal, 3.3 Imp. gal.)


Front tiresAg: 6-12
Rear tiresAg: 9.5-16

Rear Hitch

Three-Point Hitch
Control type
Lift capacity (at ends)615 kg (1,356 lbs)

PTO (Power take-off shaft)

Middle PTO type
Middle PTO speed2,500 rpm
Rear PTO typeTransmission, live (hydrostatic)
Rear PTO speed540-960 rpm

Electrical system

Electrical system
Charging systemAlternator
Charging amps
Battery12V, CCA: 430A

Hydraulic system

Hydraulic system
Hydraulic typeOpen center
Hydraulic capacity14.0 L (3.7 US. gal, 3.1 Imp. gal.)
Valves1 or 2
Pump flow4.7 gpm (17.8 lpm)
Steering flow3.6 gpm (13.6 lpm)
Total flow8.3 gpm (31.4 lpm)


Kubota RCK54: 54″ mid-mount mower deck with 3-blade
Cutting width1,370 mm (54 in)
Weight136 kg (300 lb)
Cut height20-100 mm (1 to 4 in)
Kubota RCK60: 60″ mid-mount mower deck with 3-blade
Cutting width1,520 mm (60 in)
Cut height20-100 mm (1 to 4 in)
Kubota LA304 loader
Height (to pin):1,870 mm (74.0 in)
Clearance, dumped bucket:1,420 mm (56.2 in)
Dump reach:590 mm (23.5 in)
Dump angle:45°
Rollback angle:24°
Breakout force (lift):747 kg (1,648 lbs)
Lift to full height (at pin):350 kg (770 lbs)
Bucket width:1,210 mm (48.0 in)
Raise time to height:2.8 s
Bucket dump time:1.5 s
Lowering time:2.0 s
Rollback time:1.9 s
Kubota BH65 backhoe
Digging depth:2,030 mm (80.1 in)
2-Foot flat digging depth:2,000 mm (78.8 in)
8-Foot flat digging depth:1,430 mm (56.4 in)
Reach from pivot:2,760 mm (108.9 in)
Loading height:1,630 mm (64.5 in)
Bucket force:1,772 kg (2,585 lbs)
Dipperstick force:765 kg (1,687 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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