Kubota B2530

Kubota B2530The Kubota B2530 is a compact utility tractor model from the B30 series, manufactured from 2007 to 2013 by Kubota. It was available in four-wheel drive (4WD) version.

The Kubota B2530 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 shift transmission with 9 forward and 9 reverse gears and dry single-plate type clutch or a hydrostatic transmission with infinite (3-range) forward and reverse gears.

The Kubota B2530 utility tractor features:

  • The Kubota D1105-E2-D21-EU diesel engine which produces 25 PS (18.4 kW; 24.7 HP) of horsepower
  • Hydrostatic power steering
  • Wet disc type brakes
  • Open operator station with two-post ROPS or Cab with air-conditioning (option)
  • Category I rear hitch with 970 kg (2,140 lbs) of maximum lift capacity
  • Middle PTO with 2,500 rpm
  • Transmission rear PTO with 540 rpm

General specifications

General Specifications
ModelKubota B2530
Tractor typeCompact utility tractor
Production years2007-2013
Dimensions and weight
Length2,735 mm (107.7 in)
Width1,095 mm (43.1 in)
Height2,290 mm (90.2 in)
Wheel base1,500 mm (59.1 in)
Ground clearance270 mm (10.6 in)
Weight725 kg (1,598 lbs)
Fuel capacity
Fuel tank capacity28.0 liters (7.4 US gal.; 6.2 Imp. gal)


Engine Specifications
Engine modelKubota D1105-E2-D21
Engine type4-stroke, SOHC, three-cylinders
Displacement1.1 L, 1,123 cm3, (68.5 cu·in)
Bore and stroke78.0 mm X 78.4 mm (3.07 in X 3.09 in)
Max. horsepower25 PS (18.4 kW; 24.7 HP)
Cooling systemLiquid-cooled
Coolant capacity:4.5 L (4.8 US. qt, 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:3.0 L (3.2 US. qt, 2.6 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 typeHydrostatic power
BrakesWet disc type
Transmission manufacturer or model
Transmission typeGear shift with dry single plate type clutch
Gears9 forward and 9 reverse
Speed Forward: 16.7 kmh (10.4 mph)
Reverse: 16.9 kmh (10.5 mph)
Transmission oil capacity15.0 L (4 US. gal, 3.3 Imp. gal.)
Transmission № 2
Transmission manufacturer or model
Transmission typeHydrostatic
GearsInfinite (3-range) forward and reverse
Speed Forward: 18.7 kmh (11.6 mph)
Reverse: 14.9 kmh (9.3 mph)


Front tiresLawn/turf: 22×8.50-12, 24×8.5-12
Rear tiresLawn/turf: 31×13.5-15, 315/75D-15

Rear Hitch

Three-Point Hitch
Control typePosition control
Lift capacity (at ends)970 kg (2,140 lbs)

PTO (Power take-off shaft)

Middle PTO type
Middle PTO speed2,500 rpm
Rear PTO typeTransmission
Rear PTO speed540 rpm

Electrical system

Electrical system
Charging systemAlternator
Charging amps40A
Battery12V, CCA: 430A

Hydraulic system

Hydraulic system
Hydraulic type
Pressure2200 psi (151.7 bar)
Pump flow5.4 gpm (20.4 lpm)
Steering flow4.1 gpm (15.5 lpm)
Total flow9.5 gpm (36 lpm)
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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