top of page
proexcel extreme lubricants logo
Screenshot-2024-10-15-120149.jpg
Does not void the engine manufacturers warranty

15W-40 DIESEL MOTOR OIL

THE ULTIMATE IN DIESEL ENGINE PROTECTION & PERFORMANCE

ProOne’s 15W-40 Duty Diesel motor oil is a blend of a high performance base oil and XPL+ Technology that dramatically lowers friction and protects against wear.

 

This combination provides the best lubrication protection & performance in low-emission, high mileage, and modern heavy-duty diesel engines.

Its robust anti-oxidant additive pack provides excellent thermal and oxidative stability, helping maintain high TBNs and extending oil life and service intervals. This makes it an ideal choice for high-performance diesel motor oil.

BASE OIL MEETS FOLLOWING SPECIFICATIONS

CJ-4, CI-4, CI-4 PLUS, CH-4, CK-4, SM, SN, SL

no_solvents_beaker.webp
Does not contain any harmful solvents or chlorine

50 TIMES MORE POWERFUL THAN ORDINARY MOTOR OIL & ADDITIVES

15W-40_Heavy_ Duty_Diesel_Motor_Oil-01.jpg
5. SMART MAINTENANCE PROGRAM 2020_7mb-01.jpg
ProOne_Industrial_Catalog_2024_red-01.jpg

ADVANTAGES

BOTTOM LINE BENEFITS

• Extreme pressure protection
• Start-up protection
• Maximum engine protection
• Extreme temperature range +500°F
• High TBN additive pack
• Viscosity control
• Reduces sludge build-up
• Deposit control & acid neutralization
• Gasket & seal conditioner
• Oxidation resistant
• Reduces breakdowns
• Reduces downtime

Jon K., School District, NV

"We achieved an 8.2%
improvement in fuel economy using Fuel Maximizer. All four buses showed an increase in MPG, and one of them increased by 17.5%."

website Ai-20.png
website Ai-19.png

Russ Slater/ General Services Manager for a Major Construction Company, Anaheim, CA

We saw a 50-80% drop in wear metals using the Heavy Duty Oil Stabilizer in our engines .  These ProOne products work!

"We saved $339,414 in one year with only $450 of ProOne Product...amazing!"

David Nelson/Fastenal Manufacturing

website Ai-22.png
bottom of page