
DELO® Extended Life CoolantlAntifreeze Products
Delo Extended Life Coolant/Antifreeze products are heavy-duty extended life engine coolants that use a patented organic corrosion inhibitor technology called carboxylates. The product line consists of Delo Extended Life Coolant/Antifreeze Concentrate (Delo ELC), Delo Extended Life Prediluted 50/SO Coolant/Antifreeze (Delo ELC 50/SO) and Delo Extender. Delo ELC and Delo ELC 50/SO are ethylene glycol-based and contain Chevron’s patented carboxylate technology. These products do not contain conventional inhibitors like silicates, nitrates, amines, phosphates or borates. Delo ELC Concentrate can be used for initial fill or top-up, but it must be diluted prior to use with deionized or good quality tap water. It should be used full strength for freeze point adjustment. Delo Extended Life Prediluted 50/SO Coolant / Antifreeze is a 50/SO mixture of Delo Extended Life Coolant / Antifreeze concentrate with deionized water that provides freeze protection down to -34°F (-37°C) and boil over protection to 265°F (129°C) with a 15 lb. pressure cap. Delo ELC Prediluted 50/50 is recommended for top-up and can be used for initial fill. Delo ELC products have a service life of 750,000 miles/15,000 hours/8 years with no Extender needed. Delo Extender, the approved re-charge for Delo ELC, should be added at 500,000, miles/10,000 hours/4 years to reach a total coolant service life of 1,000,000 miles/20,000 hours/8 years.
Applications
The patented carboxylate technology in Delo ELC can be used in on-road, off-road and stationary engine applications. Delo ELC protects all cooling system components and has proven over years of field testing and customer use to improve water pump life and heat transfer. The inhibitors in Delo ELC do not readily deplete, and for this reason, there is no need to test for or add SCAs the coolant/antifreeze as is required when using conventional coolants requiring SCA additions. In service Delo ELC is recommended for use out to 7S0,000 miles/1S,000 hours/8 years. If longer coolant service interval is desired, the addition of Delo Extender at S00,000 miles/10,000 hours/4 years will extend the service life to 1,000,000 miles/20,000 hours/8 years. When using Delo ELC it is not recommended that supplemental coolant additives be used.
Features
The Delo Extended Life Coolant/Antifreeze family is made up of three products:
• Delo Extended Life Coolant/Antifreeze concentrate is a glycol-based product that contains patented carboxlylate inhibitors. This product is recommended for freeze point adjustment. For initial fill and top-up this product must be diluted with deionized or good quality tap water.
• Delo Extended Life Prediluted 50/SO Coolant/Antifreeze is a SO/SO dilution of Delo ELC concentrate with deionized water. This product should be used as sold. The freeze point ofDelo ELC SO/SO is -34°F (-37°C). This product is recommended mainly for top-up or initial fill.
• Delo Extender is the approved re-charge for Delo ELC. Addition of Delo Extender at S00,000 miles/10,000 hours/4 years will extend service life out to 1,000,000 miles/20,000 hours/8 years.
Advantages and Benefits
• Improved service mileage with no Extender needed:
o On-Road — 750,000 miles/8 years
• Improved service mileage with Extender added:
o On-Road — 1,000,000 miles/8 years (add Extender at 500,000 miles/4 years)
• No supplemental coolant filters or liquids needed
• Outstanding hot surface aluminum protection
• Superior protection in high operating temperature conditions
• Effective, long-term corrosion protection for aluminum, brass, cast iron, steel, solder and copper alloys
• Excellent heat transfer when compared to silicate-containing coolants
• Non-silicate formula will not create silicate gel or deposits during use or storage
• Improved water pump seal life due to non-abrasive formula
• Excellent protection against pitting of wet sleeve cylinder liners
• Reduced hard water scale and excellent hard water stability
• Less coolant disposal due to extended life properties, which is good for the environment
• Protects against winter freeze up and reduces the chance of summer boil over
• Suitable for gasoline, diesel and natural gas powered heavy-duty and industrial engines
• Biodegradable in its pure unused form
• Compatible with other ethylene glycol based coolant/antifreeze products. (Dilution by more than 25 percent with other coolant/antifreeze formulations will reduce extended life benefits.)
Select Performance Specifications
The Delo Extended Life Coolant/Antifreeze System meets or exceeds these specification and manufacturers’ requirements:
• ASTM D 3306
• ASTM D 6210 (heavy-duty concentrate and SO/SO)
• TMC RP 329
• TMC RP 351(color)
• TMC RP 302 A
• John Deere Cavitation Test Requirements
• Caterpillar EC-1
• Navistar Bi Type 3
Recommended for use in all heavy-duty cooling systems including those in:
• Caterpillar
• Volvo/Mack®
• Peterbilt
• Kenworth
• John Deere
• Cummins
• Freightliner
• GM
• Ford
• International
• J.I. Case
• MAN
• Komatsu
• New Holland
For a quote or to order, please contact us by email at Sales or by phone at 713-429-6794 or toll free 800-677-3835 ext *794