Diesel Extended Life Antifreeze/Coolant

Diesel Extended Life Antifreeze/Coolant is a hybrid technology product that does not require an initial charge of SCA or coolant extender at initial fill. This OEM approved product is specially formulated to protect all coolant system metals and provides excellent wet sleeve liner cavitation protection. It is designed for use in light and heavy duty diesel applications where an extended service interval is required. It is recommended for use in on-road truck, off-road, farm, marine and stationary applications including, but not limited to, Caterpillar, Cummins, Detroit Diesel/MTU, GM Heavy Truck, Freightliner, PACCAR and Volvo Mack.

This aluminum compatible product, when added as an initial fill and properly maintained in accordance with engine manufacturer’s maintenance recommendation, will provide an in-service life of up to 960,000 km, 12,000 hours or 6 years, or whichever comes first.

Diesel Extended Life engine coolant offers the following advantages:

  • OEM approved
  • Fully formulated; DOES NOT require initial charge of SCA
  • Provides excellent liner cavitation protection
  • Protects coolant system metals such as brass, copper, solder, steel, cast iron and aluminum
  • Low silicate, phosphate and amine free
  • Extended service life
  • Available as a 50/50 Premix

This engine coolant meets the performance requirements of the following coolant specifications:

  • ASTM D3306, D4656, D5345, D6210
  • Japanese Standard JIS K2234
  • TMC RP329
  • Detroit Diesel 7SE298
  • CAT EC-1
  • MTU MTL 5048
  • CID-A-A-52624
  • Cummins

Item# Size Case Pack UPC SCC14

Product Packaging Specifications

16-734 3.78 L 4 056438167341 40056438167349
26-739 205 L NA NA NA
26-738-1000 1000 L NA NA NA

Typical Product Properties

Characteristic Performance Test Method
pHa 7.5 – 8.6 ASTM D1287
Specific gravityb 1.125 – 1.140 ASTM D1122
Freeze pointa, °C/°F -37/ -34 ASTM D1177
Foam volume, ml 150 max. ASTM D1881
Foam break time, second 5 max. ASTM D1881
Reserve Alkalinity, ml 6.0 min. ASTM D1121
Chloride, ppm 25 max. ASTM D3634
Silicon, ppm 250 max. ASTM D6130
Colour Red  
Glycol Content (wgt.%). 94 min.  
Inhibitors and Water Content (wgt.%) 6.0 max.  

a 50% volume aqueous solution
b Measured at 15.6ºC/60ºF


Typical Coolant Performance Testing Results

Metal Type ASTM D 1384 GLASSWARE CORROSION ASTM D 2570 SIMULATED SERVICE
Test Results¹ Max. Spec. Test Results¹ Max. Spec.
Copper 2 10 8 20
Solder 4 30 4 60
Brass 1 10 7 20
Steel 0 10 1 20
Cast Iron -1 10 9 20
Aluminum 0 30 0 60
¹ Weight loss, except negative sign which indicate weight gain, per coupon in milligrams. Values are for coolant made from virgin ethylene glycol.
  Test Results¹ Specification
ASTM D4340 Heat Rejecting Aluminum Corrosion (mg/cm²/week) 0.2 1.0 maximum
ASTM D2809 Aluminum Water Pump Cavitation- Erosion Corrosion Rating 8 8 minimum
¹ Weight loss per coupon in milligrams (average for 2 tests). Values are for coolant made from virgin ethylene glycol.

NOTICE: This product is shipped in compliance with applicable laws and regulations regarding classification, packaging, shipping and handling. The performance and physical property data described for this product are typical results not sale specifications, except where maximum or minimum is indicated. Refer to Material Safety Data Sheets for further information.
Because use conditions and applicable laws may differ from one location to another and may change with time, the customer is responsible for determining whether product and the information in this document are appropriate for their use and for ensuring that their workplace and disposal practices are in compliance with applicable laws and other governmental enactments. Recochem’s warranty is limited to the claims of product meeting stated performance specifications. It is the responsibility of the end-user to determine product suitability as recommended in the owner’s manual and to follow engine manufacturer’s instructions.