zMAX Heavy Duty Fuel Formula

Class 6, 7, & 8 Heavy Duty Over the Road Trucks: For best results and for fuel capacities from 50 to 150 gallons per tank, add 1 qt. (32 oz.) of zMAX to each fuel tank in use.

Class 1-5 Trucks: For best results, add 16 oz. (1/2 quart) of zMAX to the fuel tank in use.

Off-Highway Vehicles & Stationary Engines: From 10 to 30 gallons, add 16 oz. (1/2 quart). Over 30 gallons, add 32 oz. (1 quart)

CAUTION: FOR DIESEL, DO NOT TREAT LESS THAN 10 GALLONS.

Recommended Retreatment Schedule

Class 6, 7, & 8 Trucks: Every 30,000 miles or a minimum of every 4 months.

Off-Highway Vehicles: Every 250 hours or a minimum of every 4 months.

Class 1-5 Trucks: Every 6,000 miles or a minimum of every 4 months.

zMAX Heavy Duty Engine Formula

Class 6, 7, & 8 Heavy Duty Over the Road Trucks: Up to 32 quart capacity, add 32 oz. (1 quart) of zMAX. For more than 32 quart capacity, add 64 oz. (2 quarts) of zMAX.

"Off-Highway" Vehicles & Stationary Engines: Up to 32 quart capacity, add 32 oz. (1 quart) of zMAX. For more than 32 quart capacity, add 64 oz. (2 quarts) of zMAX.

Class 1-5 vehicles: Add 32 oz. of zMAX to engine oil.

Recommended Retreatment Schedule

Class 6, 7, & 8 vehicles: Every 30,000 miles or every other oil change with a minimum of every 4 months.

"Off-Highway" Vehicles & Stationary Engines: Every 250 hours or a minimum of every 4 months.

Class 1-5 vehicles: Every 6,000 miles or every oil change with a minimum of every 4 months.

zMAX does not void manufacturer's warranties. When used as a diesel fuel additive, the following statement applies. This diesel fuel additive complies with the federal low sulfur content requirements for use in diesel motor vehicles and nonroad engines.