Mobil™ Delvac™ HDEO 10W-30 and 15W-40 are synthetic blend
diesel engine oils designed to meet warranty requirements for
high-speed, four-stroke heavy-duty diesel engines. These products
are formulated to maintain the durability of emission control
systems, including diesel particulate filters and other advanced
after treatment systems. Mobil Delvac HDEO meets or exceeds the
requirements of API service classifications CK-4, CJ-4, CI-4 PLUS,
CI-4 and CH-4. These products are also approved by major original
equipment manufacturers (OEM).
