385 12.9 Cursor 13 - 394hp 420 12.9L - 464hp 435 12.9L - 435hp 450 6-12.9 Unit Injector SCR - 457hp 485 12.9 Cursor 13 - 496hp 500 6-12.9 Unit Injector SCR - 507hp 535 14.9 Cummins - 548hp 550 6-12.9 Unit Injector Bi-Turbo SCR - 558hp 580 12.9L - 626hp 600 6-12.9 Unit Injector Bi-Turbo SCR - 608hp 620 12.9L - 666hp