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WG972-N-E4

  • EPA Tier 3
  • CARB Tier 4
  • EU Stage V

WG972-N-E4

WG972-N-E4

  • EPA Tier 3
  • CARB Tier 4
  • EU Stage V

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Rated Power

20.4 kW @ 3600 rpm

Performance Curves

Features and Benefits

Emissions

Kubota’s WG972-N-E4 engine has been designed to comply with EPA Phase 3 / CARB Phase 4.

Fuel Flexibility

The installation compatibility that exists between Spark-Ignition engines (SI) and Compression-Ignition engines (CI) is convenient for customers who need fuel flexibility for their products. The Kubota WG972 includes gasoline, LPG, and natural gas versions, as well as a dual fuel (gasoline and LPG) version.

Durability and Reliability

Kubota’s WG972 SI engines are designed after the Kubota Super Mini Series diesel (CI) engines, which are known worldwide as reliable industrial engines. The WG972 engine offers very low vibration and extremely low noise.

Engine Specifications

Engine model WG972-N-E4
Emission regulation EPA Phase 3/CARB Phase 4 + EU Stage V
Type Vertical, water cooled 4-cycle spark ignited engine
Fuel CNG
Cylinders 3
Bore and Stroke mm(in) 74.5 x 73.6 (2.93 x 2.90)
Displacement L (cu.in) 0.962 (58.7)
Aspiration Naturally aspirated
Aftertreatment Three-way catalyst
Rated output / speed *1
kW (HP) / rpm		 20.4 (27.4) / 3600
Maximum torque / speed
Nm (lb-ft) / rpm		 63.1 (46.5) / 2000
Length x Width x Height *1
mm (in)		 496 x 392 x 503 (19.5 x 15.4 x 19.8)
Dry weight *2
kg (lb)		 77 (170)

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.
LPG: Commercial liquid propane gas only. Equivalent to propane HD-5 of GPA standard.
Natural gas: Commercial Compressed Natural Gas only.
The performance shown is with Japanese standard CNG.

  • *1: SAE J1995 gross intermittent
  • *2: Exclude cooling fan and exclude aftertreatment unit

Dimensions

338(13.3)
386(15.2) x 564(22.2)

WG972 Lineup

Z482-E4B

WG972-L-E4

LPG

  • 22 kW
  • 29.5 HP
  • @ 3600 rpm
Emission:
  • EPA Phase 3/CARB Phase 4 +
  • EU Stage V

Kubota WG Series

Z482-E4B

WG972-L-E4

LPG

  • 22 kW
  • 29.5 HP
  • @ 3600 rpm
Emission:
  • EPA Phase 3/CARB Phase 4 +
  • EU Stage V
Z482-E4B

WG972-N-E4

CNG

  • 20.4 kW
  • 27.4 HP
  • @ 3600 rpm
Emission:
  • EPA Phase 3/CARB Phase 4 +
  • EU Stage V

Emission Regulations for CI Engines

Emission Regulations for CI Engines (PDF)

Information and instruction StageV

Information and instruction StageV (PDF)

Information and instructions by India BS V

Information and instructions by India BS V

“BG” Engine Catalog

“BG” Engine Catalog (PDF)

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