Introduced in 1935, Delo® was the first successful commercially available detergent-type diesel engine oil based on “ISOSYN” technology.

Caltex Delo® has a long history of proven performance that has firmly established the Delo brand name worldwide as the symbol of reliability and unsurpassed performance for all types of diesel engines. Lead by Caltex Delo® 400 MGX Multigrade, these advanced technology products set the standard in customer value.

Delo® engine with ISOSYN® Technology, combines premium base oils with high performance additives in a way that provides diesel parts protection that rivals synthetic performance. Delo engine oils with ISOSYN® Technology help provide extended service protection, maximize engine durability and minimize operating costs. Delo is more than just a premium line of engine oils. From transmissions to differentials, from wheel bearings to shackle pins, we’ve got your equipment covered.


  • PDS –     Caltex Delo® 400 MGX SAE 15W-40                   – MSDS
  • PDS –     Caltex Delo® 400 Multigrade SAE 15W-40        – MSDS
  • PDS –     Caltex Delo® Gold Ultra                                         – MSDS
  • PDS –     Caltex Delo® Gold Multigrade SAE 15W-40      – MSDS
  • PDS –     Caltex Delo® Gold Monograde SAE 40             – MSDS


If you couldn’t find the MSDS, please call us on 0114524524

Delo® grades are available in 210L drums, 20L pails, 5L and 1L cans



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