Kubota D1305-E4B

  • Power18.5 kW @ 2600 rpm
  • Cylinders3
  • FuelDiesel
  • EmissionEPA/CARB Tier 4 + EU Stage V

The Kubota D1305-E4B is a powerful 3-cylinder industrial diesel engine from the Kubota 05 Series. This liquid-cooled 4-stroke diesel engine offers the highest power density within the naturally aspirated 3-cylinder engines of the 05 Series and combines strong performance with low emissions and high reliability.

With an output of 18.5 kW at 2600 rpm and maximum torque of 80.1 Nm, the D1305-E4B delivers excellent performance at low engine speeds. Thanks to enhanced E-TVCS combustion technology, the engine benefits from efficient combustion, low particulate emissions and low fuel consumption. In addition, MoS2-coated pistons and an optimized design ensure reduced vibration and quieter operation.

The Kubota D1305-E4B meets EPA/CARB Tier 4 and EU Stage V emission standards without additional aftertreatment. The compact design and high durability make this engine ideal for heavy-duty industrial applications where reliability and performance are key.

Kubota D1305-E4B

  • Meets EU Stage V emissions standards
  • Highest output within the naturally aspirated 05 Series
  • High torque at low speeds
  • Improved E-TVCS combustion technology.
  • Low emissions of particulate matter
  • Quiet and low-vibration design
  • No post-treatment required
  • Compact design for easy integration
  • Inline fuel pump for stable performance
  • High quality Kubota build quality
Brand Kubota
Model D1305-E4B
Application Industrial
Fuel Diesel
Power *1 18.5 kW @ 2600 rpm
Maximum torque / speed *1 80.1 Nm @ 1700 rpm
Cylinders 3
Emission EPA/CARB Tier 4 + EU Stage V
Type Vertical water-cooled 4-stroke diesel engine
Bore and stroke mm (in) 78.0 x 88.0 mm (3.07 x 3.46 in)
Displacement L (cu.in) 1.261 L (76.95 cu.in)
Aspiration Naturally aspirated
Aftertreatment No
Combustion system Indirect injection (TVCS)
Fuel system Inline fuel pump
Length x width x height mm (in) *2 480 x 396 x 590 mm (18.9 x 15.6 x 23.2 in)
Dry weight kg (lbs) *3 95 kg (209 lbs)
Series Kubota 05 Series

Specifications are subject to change without notice.
Dimensions and dry weight are based on Kubota’s standard specifications.
Dimensions and weight are subject to final specifications.
*1: SAE J1995 gross intermittent
*2: Excludes cooling fan and aftertreatment unit
*3: Excludes cooling fan and includes aftertreatment unit on engine

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