ToughinAL™ HD High Performance Diesel Engine Oil

ToughinAL HD 15W-40 High Performance Diesel Engine Oil is formulated for maximum durability and protection in heavy duty diesel engines. Incorporating the industries’ most advanced additive systems, ToughinAL HD 15W-40 High Performance Diesel Engine Oil protects the newest engine designs incorporating EGR as well as older designs to far exceed OEM specifications, extend drain intervals and equipment life.

ToughinAL HD 15W-40 is ideal for American, European and Japanese designed engines, using diesel or gasoline fuels, on or off-road. Backed by KOST USA’s ToughinAL Performance Warranty, ToughinAL HD 15W-40 surpasses most major U.S. and Global performance specification;

• API CI-4 Plus
• Mack EO-N Premium Plus ‘03
• CAT ECF-1
• Detroit Diesel Power Guard 93k214
• Mercedes Benz 228.3
• Cummins CES 20078
• Volvo VDS 2
• Global DHD-1
• ACEA E-5, E-3, E-2, A-2,A-3, B-3,B-4

ToughinAL HD 15W-40 incorporates an uncompromising additive package in a Group II severely hydro-cracked base oil with good solvency and low volatility. This highly effective chemistry:

• Actively coats and shields exposed surfaces protecting cams, lobes, rings, crossheads and bearings
• Rapidly neutralizes acids to reduce corrosive wear
• Aggressively binds precursors of deposits keeping piston rings, lands and liners free and clean
• Surrounds and suspends soot particles to resist oil thickening, maintaining optimal filter pressure differential
• Extends drain intervals and engine life

ToughinAL HD 15W-40 is outstanding diesel engine oil for newer Engine Designs

• Heavy Duty dispersants manage elevated levels of soot
• Resilient TBN neutralizes high levels of acids generated by EGR engines
• Strong detergents coat surfaces and particles protecting against deposits and rust to keep engines clean
• Lasting anti-oxidants protect at higher engine operating temperatures

ToughinAL HD 15W-40 is an outstanding diesel engine oil for older Engine Designs

• Thicker film strength protects in heavily loaded engines
• High performance base stocks control oil consumption
• Strong detergents coat surfaces and particles protecting against deposits and rust to keep engines running clean