Hot Shot's Secret Green Diamond Fleet 15W-40 Semi Synthetic | 2.5 Gallon

Hot Shot's Secret® Green Diamond Fleet 15W-40 Semi Synthetic Diesel Engine Oil – 2.5 Gallon

Hot Shot's Secret® Green Diamond Fleet 15W-40 Semi Synthetic Diesel Engine Oil is a premium API CK-4 heavy-duty engine oil engineered for commercial trucking fleets, owner-operators, agricultural equipment, construction equipment, and severe-duty diesel applications. Infused with Hot Shot's Secret's patented FR3 Nano Technology®, this advanced semi-synthetic formula delivers exceptional wear protection, reduced friction, superior soot control, and outstanding oxidation stability to maximize engine life and performance.

Developed specifically for today's heavy-duty diesel engines, Green Diamond Fleet helps protect critical engine components while improving fuel economy, reducing oil consumption, minimizing engine deposits, and extending service intervals when supported by OEM maintenance schedules and oil analysis.

Whether you're operating a Detroit DD15, Cummins X15, PACCAR MX-13, Volvo D13, or Mack MP8, Green Diamond Fleet provides the protection professional drivers and fleet managers depend on to keep trucks on the road and maintenance costs under control.

Key Features

• Premium Semi Synthetic CK-4 diesel engine oil
• Infused with patented FR3 Nano Technology®
• Excellent wear protection under heavy loads
• Superior oxidation and thermal stability
• Outstanding soot handling capability
• Reduces internal engine friction
• Helps improve fuel economy
• Reduces engine deposits and sludge
• Compatible with DPF, SCR and EGR emissions systems
• Designed for severe-duty commercial diesel engines

Specifications

• Brand: Hot Shot's Secret
• Product Line: Green Diamond Fleet
• Viscosity: SAE 15W-40
• Oil Type: Semi Synthetic (Group II & Group III Base Oils)
• Technology: FR3 Nano Technology®
• API Service: CK-4
• Container Size: 2.5 Gallons
• Recommended Use: Heavy-Duty Diesel Engines

Recommended Applications

• Detroit Diesel DD13, DD15 & DD16
• Cummins ISX & X15
• PACCAR MX-11 & MX-13
• Volvo D11, D13 & D16
• Mack MP7 & MP8
• Mercedes-Benz Heavy-Duty Diesel Engines
• Freightliner Cascadia
• Kenworth T680 & W990
• Peterbilt 579 & 389
• Construction Equipment
• Agricultural Equipment
• Industrial & Off-Highway Equipment

Performance Benefits

• Improves cold-weather starting compared to conventional oils
• Helps improve fuel economy
• Reduces engine wear and friction
• Improves oxidation resistance
• Maintains viscosity under extreme operating temperatures
• Protects turbochargers and valve train components
• Helps reduce DPF plugging
• Supports longer engine life
• Can support extended drain intervals with proper oil analysis and OEM recommendations

Why Choose Green Diamond Fleet?

Green Diamond Fleet is formulated for severe-duty applications including long-haul trucking, heavy towing, construction, agriculture, mining, and stop-and-go fleet operations. Its advanced CK-4 additive package combined with FR3 Nano Technology® helps reduce friction, improve engine cleanliness, and provide superior protection against wear, oxidation, soot, and thermal breakdown.

For owner-operators and fleet managers looking to maximize uptime while reducing maintenance costs, Green Diamond Fleet delivers premium protection without the premium price of many full synthetic engine oils.