WG1605-G-E3
- EPA Tier 2
- CARB Tier 3
- EU Stage V
WG1605-G-E3
- EPA Tier 2
- CARB Tier 3
- EU Stage V
Rated Power
42.5 kW @ 3600 rpm
Performance Curves

Features and Benefits
Emissions
Kubota’s WG1605-G-E3 engine has been designed to comply with EPA Tier 2 / CARB Tier 3.
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 WG1605 includes gasoline, LPG, and natural gas versions, as well as dual and multiple fuel versions. Options include gasoline and LPG, LPG and natural gas, and gasoline, LPG and natural gas.
Durability and Reliability
Kubota’s WG1605 SI engines are designed after Kubota 05 Series diesel (CI) engines and offer performance similar to our turbo diesel engines, which are known worldwide as reliable industrial engines. The WG1605 engine offers very low vibration and extremely low noise.
Engine Specifications
Engine model | WG1605-G-E3 |
---|---|
Emission regulation | EPA Tier 2/CARB Tier 3 + EU Stage V |
Type | Vertical, water cooled 4-cycle spark ignited engine |
Fuel | Gasoline |
Cylinders | 4 |
Bore and Stroke mm(in) | 79.0 x 78.4 (3.11 x 3.09) |
Displacement L (cu.in) | 1.537 (93.79) |
Aspiration | Naturally aspirated |
Aftertreatment | Three-way catalyst |
Rated output / speed *1 kW (HP) / rpm |
42.5 (57.0) / 3600 |
Maximum torque / speed Nm (lb-ft) / rpm |
120.0 (88.6) / 2400 |
Length x Width x Height *1 mm (in) |
566 x 459 x 692 (22.3 x 18.1 x 27.2) |
Dry weight *2 kg (lb) |
120 (265) |
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: The performance shown is with Japanese standard natural gas.
The lower heating value: 9699 kcal/m3 (1090 BTU/ft3)
- *1: SAE J1995 gross intermittent
- *2: Exclude cooling fan and exclude aftertreatment unit
Dimensions

