Heavy Duty Coolant


EXTEND coolant is engineered for the long haul. Offering a long service life, EXTEND is based exclusively on organic additive technology (OAT) making it suitable for all light duty, heavy duty and diesel engines.

Features & Benefits:

  • Designed and recommended for use for heavy duty diesel and electric vehicles (EVs)
  • Organic additive technology (OAT) corrosion inhibitor package
  • Free of the additives 2-EHA, Silicate, Borate, Amine, Nitrite and Phosphate
  • Compatible with other OAT coolants
  • Protects metal types including aluminium
  • Protects against wet sleeve liner cavitation pitting
  • Does not require the addition of SCA or Coolant Extenders
  • Lasts up to 960,000 km / 600,000 miles / 12,000 hours or 6 years

EXTEND coolant contains unique OAT corrosion inhibitors grouped into a package called ProShield. These additives give the coolant an extended service life and provide advanced engine protection.

EXTEND coolant is designed for intense service heavy duty diesel and electric vehicles (EVs) including on-road, off-road, construction, marine, mining and agricultural equipment, and is also suitable for light duty automotive use.

Brochure (Canada) TDS Warranty
MSDS Concentrate MSDS 50/50 PREMIX

Contains Proshield
  • Never requires Supplemental Coolant Additive
  • Non-toxic | Biodegradable
Extreme temperatures
Aluminum engines
Wet Sleeve liner cavitation



Low Silicate | Phosphate Free | Fully Formulated

Performance Specs

Meets or exceeds performance requirements:

  • ASTM D3306, D4985, D6208, D6210-2010, D7437, D7583
  • BS 6580:2010
  • Case New Holland (CNH) Construction
  • Chrysler MS12106
  • Ford WSS-M97B44-D
  • GM 1825M & 1899M
  • JIS K2234
  • JASO
  • TAFE
  • TMC RP364
  • VW TL774F
Recommended For Use With
  • Caterpillar EC-1 (Aluminum radiators)
  • Cummins 14603
  • Detroit Diesel Corp. 93K217
  • Deutz
  • GM 6277M
  • Komatsu
  • MTU MTL 5048
  • Navistar CEMS-B1 Type IIIA
  • MAN 324 SNF
  • Mercedes Benz Release 325.3
  • Renault Type D
  • Volvo and Mack
Recommended Change Interval


Specification / Performance Level
Meets or Exceeds Performance Requirements Of: ASTM D3306, D6210, D7583 CNHi MAT 3724
New Flyer eBus TMC RP364
Recommended and Suitable For Use With: Caterpillar Chrysler MS-12106 CNHi MAT 3624
Cummins CES 14603 / 14439 / 14636 DAF 74002 Daimler Truck DTFR 29C110 / 29D110
Detroit Diesel Fluid Spec. DFS93K217 Deutz DQC CB-14 Deutz Stationary Diesel Engines
Ford WSS-M97B44-D GMW3420 / GM6277M Jenbacher Stationary Natural Gas Engines
Kobelco Komatsu KES 07.892 MTU MTL 5048
Navistar MPAPS B1-Type IIIA Mack MAN 324 Typ SNF
MB Approval 325.3 (conc.)/ 326.3 (50/50) MWM Scania
Vestas Wind Turbine Power Electronics —
External Coolant System
Volvo VW TL774-F
Wärtsilä Stationary Diesel Engines