2012 Kubota Engine V2403-M-DI-E3B

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2012 Kubota Engine V2403-M-DI-E3B



Emissions-The V2403-MDI naturally aspirated engine complies with EPA Interim Tier 4 emissions regulations that are effective through the end of 2012. This engine also complies with EU Stage IIIA requirements that are effective through 2012 and beyond in the European market.

Durable Power-The Kubota 03-M Series is well recognized for industrial applications. With numerous features such as a built-in solenoid, low fan position, and single side serviceability, this engine offers excellent performance characteristics and application flexibility.

Durable Power-The cooling water passages between the cylinder bores, using Kubota's original casting technology as a countermeasure against heat load of high power density, provides both superior endurance and reliable engine characteristics.

Durable Power-The V2403-M-DI NA engine offers a seamless transition from Tier 2 to Interim Tier 4 by maintaining the same footprint and hard mounting points with only slight performance changes from the Tier 2 engine.

Clean and Quiet Power-For a more complete combustion, Kubota increased the fuel injection pressure. Kubota achieves a 50% lower particulate matter (PM) level, the same stringent level as above the 37kW class (EPA Interim Tier 4 Option 1).

Clean and Quiet Power-The half-float valve cover and MoS2 coated pistons lower noise levels by 1.0-2.0 dBA over conventional diesel engines and provide reduced transmitted vibration from the valve area for better noise characteristics.

2012 Kubota Engine V2403-M-DI-E3B



Vertical 4-cycle liquid cooled Diesel
Bore x Stroke
mm (in) 87(3.43) x 102.4(4.03)
L(cu.in) 2.434(148.5)
Intake System
Naturally Aspirated
Oil Capacity
(Pan) L(gal) 9.5(2.51)
Starter Capacity
V-kW 12-2.0
(Regulation) Interim Tier 4 / Stage III A


Rated Power
36.5 kW @ 2700 rpm


(Direction) Counterclockwise Viewed on Flywheel
mm (in) 670.9(26.4)
mm (in)499.0(19.6)
mm (in) (1)684.0(26.9) / (2) 265.5(10.5)
Dry Weight
kg(lb) 184.0(405.7)

General Information

Combustion System
Max Speed
2700 rpm
(Gross Intermittent) 36.5 kW, 48.9 hp, 49.6 ps
Alternator Capacity
V-A 12-40


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