D1703-M-DI-E4B

D1703-M-DI-E4B

GENERAL SPECIFICATION
Engine model D1703-M-DI-E4B
Emission regulation EPA/CARB Tier 4 (NRTC/NTE test mode) + EU Stage V
Type Vertical, water cooled 4-cycle diesel engine
Cylinders 3
Bore and stroke mm (in) 87.0 x 92.4 (3.43 x 3.64)
Displacement L (cu.in) 1.647 (100.5)
Aspiration Naturally aspirated
Aftertreatment -
Rated output / speed*1 kW (HP) / rpm 18.5 (24.8) / 2200
Maximum torque / speed*1 Nm (lb-ft) / rpm 97.4 (71.8) / 1500
Combustion system Direct injection
Fuel system In-line pump
Length x Width x Height*2
(without aftertreatment unit) mm (in) 547 x 495 x 679 (21.5 x 19.5 x 26.7)
Length x Width x Height*3
(with aftertreatment unit) mm (in) -
Dry weight kg (lb) 148 (326)
Specifications are subject to change without notice.
Dimensions and dry weight are according to Kubota's standard specification.
Dimensions and weight depend on completed specifications.
*1: SAE J1995 gross intermittent
*2: Exclude cooling fan and exclude aftertreatment unit
*3: Exclude cooling fan and include aftertreatment unit on engine

FEATURES & BENEFITS

Emissions
The D1703-M-DI engine complies with the EPA/CARB Tier 4
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’s original casting technology as a countermeasure against
the heat load caused by high power density, providing both superior
endurance and reliable engine performance.
The D1703-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
The fuel injection pressure has been increased to achieve lower
particulate matter (PM) levels.
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.
Indirect-Injection engines are also available.
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