280-stx 8.3L - 281hp 325-stx 8.9L - 325hp 335 9.0L - 330hp 350 6-9.0 SCR - 335hp 370 8.7L - 370hp 375-stx 15.0L - 369hp 380 8.7L - 380hp 385 12.9 Cursor 13 - 393hp 400 6-12.9 Unit Injector SCR - 407hp 420-rowtrac 12.9L - 420hp 425-stx 15.0L - 425hp 430 12.9L - 430hp 435-quadtrac 12.9L - 429hp 440-stx 15.0L - 440hp 450 6-12.9 Unit Injector SCR - 458hp 470-rowtrac 12.9L - 515hp 480-stx 15.0L - 480hp 485 12.9L - 478hp 500 6-12.9 Unit Injector SCR - 499hp 530-quadtrac 15L - 535hp 550 6-12.9 Unit Injector Bi-Turbo SCR - 552hp 580-quadtrac 12.9L - 580hp 600 6-12.9 Unit Injector Bi-Turbo SCR - 608hp 620-quadtrac 12.9L - 620hp