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Extended Life Coolants
Extended Life Coolant (ELC) contain Organic Acid Technology (OAT) which provide corrosion protection and inhibit liner
cavitation. These coolants require less maintenance over the useful life of the engine.
ELC antifreeze coolants are commercially available from Detroit™ (recommended) and other manufacturers as either
concentrated or pre-mixed formulations. Concentrated antifreeze coolants should be mixed at 50% (50% antifreeze/50%
water). All ELC's used must also meet DFS 93K217 specification. Detroit™ requires that these types of coolants to be free of
nitrite and phosphate. Detroit™ has found that ELC's containing nitrite may lead to a breakdown of the coolant and
subsequent damage to the cooling system.
These types of coolants should not be mixed with Standard Life Coolants.
If an ELC antifreeze coolant and SLC
antifreeze coolants are mixed, damage may not result, but the long-life advantages of the ELC antifreeze coolant will be lost.
In this event, the coolant should be re-inhibited with OAT inhibitors and confirmed by analysis or else it must be maintained
as an SLC antifreeze coolant.
SLC Antifreeze Coolants
Standard Life Coolant (SLC) contain inhibitor salts, including nitrites, to prevent liner cavitation. These coolants require
interval testing to maintain inhibitor concentration.
SLC antifreeze coolants are commercially available from Detroit™ (recommended) and other manufacturers as either
concentrated or as pre-mixed antifreeze. Concentrated antifreeze coolants should be mixed at 50% (50% antifreeze/50%
water). All fully formulated coolants used must also meet DFS 93K217 specification.
NOTE:
Fully formulated antifreeze does not require a dosage of Supplemental Coolant Additive (SCA) at initial
use.
15.8 Coolant Fill Options
15.8.1
Coolant Fill Options
The coolants recommended for use in Detroit™ engines are listed in the tables below. This publication will give a complete
explanation of their use.
NOTICE:
Required specifications for water, Ethylene Glycol (EG), Propylene Glycol (PG), inhibitor packages, and
inhibitor concentration are included in the appendix of this publication. To avoid possible engine damage from
inadequate or over-concentrated coolant, this publication should be read thoroughly before replacing or topping-
off coolant.
Table 15.
DD5, DD8, DD13, DD15, and DD16 Coolant Fill Options
Engine Series
Coolant Fill Options
Product
DD5, DD8, DD13, DD15, DD16
Ethylene Glycol based antifreeze c
SLC corrosion inhibitors
Detroit Power Cool or refer to 93K217
list of approved coolants at
DTNAConnect
Propylene Glycol based antifreeze c
SLC corrosion inhibitors
No Detroit™ product available. Refer to
93K217 list of approved coolants at
DTNAConnect
Ethylene Glycol based antifreeze c
ELC inhibitors
Detroit Power Cool Plus or refer to
93K217 list of approved coolants at
DTNAConnect
Propylene Glycol based antifreeze c
ELC inhibitors
No Detroit™ product available. Refer to
93K217 list of approved coolants at
DTNAConnect
15 How to Procedures
52
All information subject to change without notice.
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