long-awaited new ‘EPA’ engines have now been formally introduced. Using what Cat calls Advanced Combustion Emissions Reduction Technology (ACERT), they’ll replace the current ‘bridge’ engines that the ...
Gear fast, run slow. It’s a universally accepted principle of linking engine with drivetrain to give you a balance of performance and fuel economy. But how about spec’ing to run 105 km/h at 1,325 rpm?