Cummins Inc has announced new extended oil drain intervals for ISX and ISM customers that use Valvoline Premium Blue engine oil.
Premium Blue's Dispersive Polymer Technology (DPT), which provides advanced soot-fighting capabilities and cold-start protection, has allowed oil drain intervals to increase from 15,000 to 20,000 miles (24,141 to 32,187 km) for severe duty, from 25,000 to 35,000 miles (40,234 to 56,328 km) for normal duty, and from 35,000 to 45,000 miles (56,325 to 72,421 km) for light duty.