The 55 Gallon Prestone Command Extended Service Interval Antifreeze/Coolant is a EG Heavy‑Duty Conventional antifreeze/coolant from Prestone. Available as a concentrate formula. Provides freeze protection to -84°F (70/30) and a service life of 2–3 Years. Designed for Heavy‑Duty Diesel.

• Brand: Prestone
• Type/Chemistry: EG Heavy‑Duty Conventional
• Color: Green
• Dilution Ratio: Concentrate
• Freeze Protection: -84°F (70/30)
• Boil Protection: 250°F
• Vehicle Compatibility: Heavy‑Duty Diesel
• Service Life: 2–3 Years
• Corrosion Protection: Steel, Iron, Copper
• Additive Package: SCA‑Compatible
• pH Level: 10.0–11.0
• Container Size: 55 Gallon
• Shelf Life: 5+ Years
• Package Size: 55 Gallon

• Heavy-duty diesel engine cooling systems
• Commercial truck and bus cooling systems
• Off-highway and construction equipment
• Fleet diesel vehicle maintenance
• Industrial engine cooling applications

Compatible with Heavy‑Duty Diesel. Additive package: SCA‑Compatible.

Service life: 2–3 Years. Shelf life: 5+ Years. Dispose of used coolant in accordance with local environmental regulations. Do not mix with other coolant types without flushing the system.