Kubota Engine D1503-M-E3B

Vertical, water cooled 4-cycle diesel engine

Power:

31.9 HP / 2800 RPM

Emission Regulations:

EPA/CARB interim Tier 4 level + EU Stage IIIA

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• Features
• Specs

Features

Emissions

The D1503-M engine complies with EPA / CARB interim Tier 4 + EU Stage IIIA emissions regulations.

Durable Power

The Kubota 03-M Series is well known for its industrial applications. With numerous features such as a built-in solenoid, low fan position, and single-side serviceability, this engine provides excellent performance and flexibility. The cooling water passages between the cylinder bores features Kubota痴 original casting technology as a countermeasure against the heat load caused by high power density, providing both superior endurance and reliable engine performance. The D1503-M engine offers a seamless transition from EPA Tier 2 to EPA Interim Tier 4 by maintaining the same footprint and hardware mounting points with minimal performance changes from EPA Tier 2 engines.

Clean and Quiet Power

Kubota痴 original E-TVCS (Three Vortex Combustion System) has been improved. The airflow, combustion chamber, and piston recess have been optimized to provide low particulate matter (PM) levels, matching the stringent level of the 37 kW class and higher (EPA Interim Tier 4 Option 1). The half-float valve cover and MoS2-coated pistons reduce noise levels compared to conventional diesel engines and decrease vibrations transmitted from the valve area, providing enhanced noise reduction.

Options

Kubota 03-M Series engines offer side power take-off (PTO) in response to the trend of the use of hydraulic control devices in industrial machines. A hydraulic pump can be installed at the two side PTO locations.

Specs & Compare Compare Kubota Engines Engine Model	D1503-M-E3B
Emission Regulations	EPA/CARB interim Tier 4 level + EU Stage IIIA
Type	Vertical, water cooled 4-cycle diesel engine
Cylinders	3
Bore and Stroke	3.27 x 3.64 in
Displacement	91.47 cu.in.
Aspiration	Naturally aspirated
Aftertreatment	-
Rated Output/Speed*1	31.9 HP / 2800 RPM
Maximum Torque/Speed*1	70.0 lb-ft / 1600 RPM
Combustion System	Indirect injection
Fuel System	In-line pump
Length × Width × Height** (without after treatment unit)	21.5 x 19.5 x 26.7 in
Length × Width × Height*** (with after treatment unit)	-
Dry Weight	326 lbs