Petro-Canada’s Duron-E 10W-30 is a new addition to its line of API CJ-4 heavy-duty engine oils. Specially formulated for both on- and off-road fleets, it’s said to provide a number of performance benefits, including excellent soot dispersancy, extended drain capabilities, low engine wear and good top-up and cold start-up performance. The company’s CJ-4 product offering also includes Duron-E Synthetic 10W-40 and 0W-40, Duron-E XL Synthetic Blend 15W-40, and Duron-E 15W-40.

The new 10W-30 lube is suitable for 4-stroke diesel, gasoline and natural gas automotive applications where SAE 10W-30 is recommended. Applications include 2007 engines equipped with exhaust aftertreatment devices such as diesel particulate filters and catalytic reactors. It’s completely back-serviceable and not only fits into the CJ-4 category but also CI-4 Plus, CI-4, CH-4 and CG-4/SM. OEM credentials currently include Caterpillar ECF-3, ECF-2, ECF-1-a; Cummins CES 20081; Volvo VDS-4; and Renault VI RLD 3.