Kubota WG972-N-E4

  • Power20.4 kW @ 3600 rpm
  • Cylinders3
  • FuelCNG
  • EmissionEPA Phase 3 + CARB Phase 4 + EU Stage V

The Kubota WG972-N-E4 is a compact 3-cylinder industrial CNG engine from the Kubota WG Series. This vertical water-cooled 4-stroke spark ignited engine is designed for applications where low emissions, reliability and fuel flexibility are important.

With an output of 20.4 kW @ 3600 rpm and maximum torque of 63.1 Nm @ 2000 rpm, the WG972-N-E4 delivers stable performance in a compact design. Designed based on the reliable Kubota Super Mini diesel engines, it offers low noise and vibration levels.

The Kubota WG972-N-E4 runs on CNG and meets EPA Phase 3, CARB Phase 4 and EU Stage V emissions standards. Thanks to the three-way catalytic converter, emissions are effectively reduced while the engine remains suitable for industrial applications where clean combustion and reliable uptime are key.

Kubota WG972-N-E4

  • Meets EU Stage V emissions standards
  • Suitable for CNG
  • Compact 3-cylinder industrial gas engine
  • Three-way catalyst for emission reduction
  • Low noise level
  • Low vibration
  • Based on reliable Kubota Super Mini technology
  • Vertical water-cooled 4-stroke engine
  • Suitable for industrial applications
  • High quality Kubota build quality
Brand Kubota
Model WG972-N-E4
Application Industrial
Fuel CNG
Power *1 20.4 kW @ 3600 rpm
Maximum torque / speed *1 63.1 Nm @ 2000 rpm
Cylinders 3
Emission EPA Phase 3 + CARB Phase 4 + EU Stage V
Type Vertical water-cooled 4-stroke spark ignited engine
Bore and stroke mm (in) 74.5 x 73.6 mm (2.93 x 2.90 in)
Displacement L (cu.in) 0.962 L (58.7 cu.in)
Aspiration Naturally aspirated
Aftertreatment Three-way catalytic converter
Combustion system Spark ignited
Fuel system CNG
Length x width x height mm (in) *2 496 x 392 x 503 mm (19.5 x 15.4 x 19.8 in)
Dry weight kg (lbs) *3 77 kg (170 lbs)
Series Kubota WG 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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