Kubota B2530 compact utility tractor specs and service data

The 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)

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.

Kubota B2530