| Engine model | D1703-M-E3-BG | 
| Emission regulation | EPA/CARB interim Tier 4 level | 
| Type | Vertical, water cooled 4-cycle diesel engine | 
| Cylinders | 3 | 
| Bore and stroke | 87.0 x 92.4 mm (3.43 x 3.64 in) | 
| Displacement | 1.647 L (100.5 cu.in) | 
| Aspiration | Naturally aspirated | 
| Aftertreatment | - | 
| Stand-by output / speed | 18.1 kW (24.3 HP) / 1800 rpm | 
| Continuous output / speed | 15.1 kW (20.2 HP) / 1800 rpm | 
| Combustion system | Indirect injection | 
| Fuel system | In-line pump | 
| Length x Width x Height (without aftertreatment unit) | 574 x 481 x 643 mm (22.6 x 18.9 x 25.3 in) | 
| Length x Width x Height (with aftertreatment unit) | - | 
| Dry weight | 170 kg (374 lb) |