Die Stufe IIIA ist Teil der europäischen Emissionsnormen für Motoren in neuen (nicht fahrbaren) mobilen Motoren, die auch als Euro-Standards bekannt sind. Diese Standards werden zusammengestellt, um die Reduzierung von schädlichen Emissionen in der Umwelt zu stimulieren.
| Engine series | Engine model | Rated power(kW) | Standby power(kW) | Rated speed (rpm) | Air intake method | Governor |
| WP2.1 | WP2.1D24E314 | 18 | 20 | 1500 | Natural | ECU+CR |
| WP2.1 | WP2.1D24E314 | 22 | 24 | 1800 | Natural | ECU+CR |
| WP2.1 | WP2.1D30E314 | 22 | 24 | 1500 | Turbocharged | ECU+CR |
| WP2.1 | WP2.1D30E314 | 27 | 30 | 1800 | Turbocharged | ECU+CR |
| WP2.1 | WP2.1D40E314 | 27 | 30 | 1500 | Turbo interc. | ECU+CR |
| WP2.1 | WP2.1D40E314 | 36,8 | 40 | 1800 | Turbo interc. | ECU+CR |
| WP2.1 | WP2.1D40E310 | 36,8 | 40 | 1500 | Turbo interc. | ECU+CR |
| WP2.1 | WP2.1D44E313 | 40 | 44 | 3000 | Turbo interc. | ECU+CR |
| WP2.1 | WP2.1D55E313 | 50 | 55 | 3000 | Turbo interc. | ECU+CR |
| WP2.1 | WP2.1D66E313 | 60 | 66 | 3000 | Turbo interc. | ECU+CR |
| WP3 (16v) | WP3D75E310 | 68 | 75 | 1500 | Turbo interc. | ECU+CR |
| WP3 (16v) | WP3D80E313 | 72 | 80 | 3000 | Turbo interc. | ECU+CR |
| WP3 (16v) | WP3D105E313 | 95 | 105 | 3000 | Turbo interc. | ECU+CR |
| WP3 (16v) | WP3D120E313 | 109 | 120 | 3000 | Turbo interc. | ECU+CR |
| WP4.1 | WP4.1D66E314 | 50 | 55 | 1500 | Turbocharged | ECU+CR |
| WP4.1 | WP4.1D66E314 | 60 | 66 | 1800 | Turbocharged | ECU+CR |
| WP4.1 | WP4.1D80E314 | 60 | 66 | 1500 | Turbocharged | ECU+CR |
| WP4.1 | WP4.1D80E314 | 72 | 80 | 1800 | Turbocharged | ECU+CR |
| WP4 | WP4D80E314 | 60 | 66 | 1500 | Turbo interc. | ECU+CR |
| WP4 | WP4D80E314 | 72 | 80 | 1800 | Turbo interc. | ECU+CR |
| WP4 | WP4D108E310 | 98 | 108 | 1500 | Turbo interc. | ECU+CR |
| WP4 | WP4D118E314 | 90 | 100 | 1500 | Turbo interc. | ECU+CR |
| WP4 | WP4D118E314 | 108 | 118 | 1800 | Turbo interc. | ECU+CR |
| WP6 | WP6D152E314 | 120 | 132 | 1500 | Turbo interc. | ECU+CR |
| WP6 | WP6D152E314 | 138 | 152 | 1800 | Turbo interc. | ECU+CR |
| WP6 | WP6D180E314 | 138 | 152 | 1500 | Turbo interc. | ECU+CR |
| WP6 | WP6D180E314 | 163 | 180 | 1800 | Turbo interc. | ECU+CR |
| WP10 | WP10D238E314 | 182 | 200 | 1500 | Turbo interc. | ECU+CR |
| WP10 | WP10D238E314 | 216 | 238 | 1800 | Turbo interc. | ECU+CR |
| WP10 | WP10D264E314 | 216 | 238 | 1500 | Turbo interc. | ECU+CR |
| WP10 | WP10D264E314 | 240 | 264 | 1800 | Turbo interc. | ECU+CR |
| WP10 | WP10D288E314 | 240 | 264 | 1500 | Turbo interc. | ECU+CR |
| WP10 | WP10D288E314 | 262 | 288 | 1800 | Turbo interc. | ECU+CR |
| WP12 | WP12D347E314 | 290 | 319 | 1500 | Turbo interc. | ECU+CR |
| WP12 | WP12D347E314 | 315 | 347 | 1800 | Turbo interc. | ECU+CR |
| WP12 | WP12D385E314 | 310 | 340 | 1500 | Turbo interc. | ECU+CR |
| WP12 | WP12D385E314 | 350 | 385 | 1800 | Turbo interc. | ECU+CR |
| WP13 | WP13D402E314 | 350 | 385 | 1500 | Turbo interc. | ECU+CR |
| WP13 | WP13D402E314 | 366 | 402 | 1800 | Turbo interc. | ECU+CR |
| 6M33 | 6M33D620E310 | 565 | 620 | 1500 | Turbo interc. | ECU+CR |
| 6M33 | 6M33D670E311 | 610 | 670 | 1800 | Turbo interc. | ECU+CR |
| 12M33 | 12M33D1265E310 | 1150 | 1265 | 1500 | Turbo interc. | ECU+CR |
| 12M33 | 12M33D1359E311 | 1235 | 1359 | 1800 | Turbo interc. | ECU+CR |