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
Model Kubota B2530
Tractor type Compact utility tractor
Production years 2007-2013
Factory
Dimensions and weight
Length 2,735 mm (107.7 in)
Width 1,095 mm (43.1 in)
Height 2,290 mm (90.2 in)
Wheel base 1,500 mm (59.1 in)
Ground clearance 270 mm (10.6 in)
Weight 725 kg (1,598 lbs)
Fuel capacity
Fuel tank capacity 28.0 liters (7.4 US gal.; 6.2 Imp. gal)

Engine

Engine Specifications
Engine model Kubota D1105-E2-D21
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 25 PS (18.4 kW; 24.7 HP)
Cooling system Liquid-cooled
Coolant capacity: 4.5 L (4.8 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: 3.0 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
Chassis 4×4 MFWD 4WD
Steering type Hydrostatic power
Brakes Wet disc type
Transmission
Transmission manufacturer or model
Transmission type Gear shift with dry single plate type clutch
Gears 9 forward and 9 reverse
Speed Forward: 16.7 kmh (10.4 mph)
Reverse: 16.9 kmh (10.5 mph)
Transmission oil capacity 15.0 L (4 US. gal, 3.3 Imp. gal.)
Transmission № 2
Transmission manufacturer or model
Transmission type Hydrostatic
Gears Infinite (3-range) forward and reverse
Speed Forward: 18.7 kmh (11.6 mph)
Reverse: 14.9 kmh (9.3 mph)

Tires

Tires
Front tires Lawn/turf: 22×8.50-12, 24×8.5-12
Rear tires Lawn/turf: 31×13.5-15, 315/75D-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
Middle PTO speed 2,500 rpm
Rear PTO type Transmission
Rear PTO speed 540 rpm

Electrical system

Electrical system
Ground Negative
Charging system Alternator
Charging amps 40A
Battery 12V, CCA: 430A

Hydraulic system

Hydraulic system
Hydraulic type
Pressure 2200 psi (151.7 bar)
Pump flow 5.4 gpm (20.4 lpm)
Steering flow 4.1 gpm (15.5 lpm)
Total flow 9.5 gpm (36 lpm)

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