Fleet Maintenance Product Guide

DURON* 15W-40 and DURON* XL

Petro-Canada's DURON

• 15W-40 and DURON
• XL Synthetic Blend 15W-40 heavy duty engine oils have achieved the American Petroleum Institute's (API) CI-4 Plus specification. The new specification requires heavy duty engine oils to provide improved shear stability and soot-handling abilities for low-emission engines.