| Engine Model | WG972-M-N-E4 |
| Emission Regulation | EPA Tier 3/CARB Tier 4 + EU Stage V |
| Type | Vertical, water cooled 4-cycle spark ignited engine |
| Fuel | Natural Gas |
| 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 | 22.0 (29.5) / 3600 |
Maximum Torque*1
Nm (lb-ft) / rpm | 65.4 (48.2) / 1800 |
Length x Width x Height*2
mm (in) | 525 x 471 x 503 (20.7 x 18.5 x 19.8) |
Dry Weight*2
kg (lb) | 77.1 (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. Propane is more than 30%, Butane is less than 70% recommended.
Natural gas: The performance shown is with Japanese standard natural gas.
The lower heating value: 49300 kJ/kg (11800 kcal/kg)
*1: SAE J1995 gross intermittent
*2: Exclude cooling fan, aftertreatment unit