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D722-E4B

GENERAL SPECIFICATION

Engine model
D722-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)
67.0 x 68.0 (2.64 x 2.68)
Displacement
L (cu.in)
0.719 (43.88)
Aspiration
Naturally aspirated
Aftertreatment
-
Rated output / speed*1
kW (HP) / rpm
14.9 (20.0) / 3600
Maximum torque / speed*1
Nm (lb-ft) / rpm
45.8 (33.8) / 2600
Combustion system
Indirect injection
Fuel system
In-line pump
Length x Width x Height*2
(without aftertreatment unit)
mm (in)
407 x 386 x 564 (16.0 x 15.2 x 22.2)
Length x Width x Height*3
(with aftertreatment unit)
mm (in)
-
Dry weight
kg (lb)
63 (139)
  • 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

14.9 kW @ 3600 rpm

Photographs may show non-standard equipment.

DIMENSIONS

Dimensions and weight depend on composed specifications.

PERFORMANCE CURVES

FEATURES and BENEFITS

Emissions

The Kubota Super Mini Series features compact multi-cylinder
liquid cooled industrial diesel engines which comply with EPA /
CARB Tier 4 emissions regulations.

Durable Power

The Kubota Super Mini Series has been chosen as a power
source for a variety of applications. The D722 engine offers a
seamless transition from E3 to E4 by maintaining the same level
of performance and physical characteristics.
Alternative fuel engines WG752-G (gasoline) and WG752-GL
(dual fuel: gasoline / LPG) are available with the same footprint
as the D722 engine.

Clean and Quiet Power

Kubota’s original E-TVCS (Three Vortex Combustion System) has
been further improved for cleaner emissions. The piston recess
has been optimized to achieve lower particulate matter (PM)
levels at an extremely small size. The half-float valve cover and
MoS2-coated pistons reduce noise levels and decrease vibrations
transmitted from the valve area.

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