Cummins approves the use of B20 biodiesel blends in the following engine models:
On-Highway: ISX, ISM, ISL, ISC and ISB engines certified to EPA ’02 and later emissions standards, ISL, ISC and ISB engines certified to Euro 3.
Off-Highway: QSX, QSM, QSL, QSC, QSB6.7, QSB4.5 and QSB3.3 engines certified to Tier 3/Stage IIIA, QSM Marine, QSM G-Drive.
High Horsepower Off-Highway built after January 1, 2008: QSK78, QSK60, QSK50, K2000E, K50, QSK45, QSK38, K1500E, K38, QST30, QSK23, QSK19 and K19. Also Marine QSK60, QSK50, K50 QSK45, QSK38, K38 QSK19, K19.
Cummins has approved B20 for the high horsepower engines listed above with the following fuel systems: Pressure Timed, High-Pressure Injection, Modular Common Rail Fuel Injection System and BOSCH Pump-Line-Nozzle.
Biodiesel must conform to the American Society of Testing Materials (ASTM) specifications. B100 must conform to ASTM D6751 prior to blending, and the finished B20 blend must conform to ASTM D7467.
Customers are required to purchase the biodiesel blend from a BQ9000 Certified Marketer. The B100 fuel used in the blend must be sourced from a BQ9000 Accredited Producer. BQ9000 Certified Marketers and Accredited Producers can be found at www.bq-9000.org.