05/26/2009 CAT Challenger MT765B Softwaretuning CAT Challenger MT765B with Cummins ECU optimized and tuned by allcartuning. Performance data: 340 HP to 440 HP1350 NM to 1750 NM Tested on the Power-Take-Off Dynometer "Sigma Froment 5"EUR 999,- incl.VAT Back