Cummins - Ratings
| ADVERTISED MODEL | Power Peak | Peak Torque |
| bhp @ Gov.rpm | kW (bhp) @ rpm | N.m (lb.ft) @ rpm |
| Sig. 520 @ 1900 | 392(525) @ 1600 | 2509(1850) @ 1200 |
| Sig. 550 @ 1900 | 418(560) @ 1700 | 2509(1850) @ 1200 |
| Sig. 580 @ 1900 | 440(590) @ 1800 | 2509(1850) @ 1200 |
| Sig. 620 @ 1900 | 471(631) @ 1800 | 2780(2050) @ 1200 |