Performance Engineered Lubricants - Since 1919
   
 






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    D-A Lubricant Company, Inc. manufactures PennGrade Motor Oil in Lebanon, IN.

       
    diesel truck oil You Can Depend on D-A and the Reliant™ Family of Diesel Engine Oils To Be There For The Long Haul

    CK-4 and FA-4 API specifications will become active in the spring of 2017. Proof of performance is always measured in the field and the D-A Reliant™ new blends are currently being field tested to be ready. These oils are designed specifically to meet the stringent requirements of the API Service Category CK-4 which will be backwards compatible for the existing 2007-2016 engines using the CJ-4 lubricant and FA-4 which will not be backwards compatible but will encompass the new lower viscosity diesel engine oils. Check back here often as we will be making an exciting announcement soon! More info
    PennGrade presents the 101 running of the Indianapolis 500

    Mark your calendar for May 28, 2017


    A brand of Lebanon, Indiana-based D-A Lubricant Company, PennGrade Motor Oil, will serve as presenting sponsor of the Indianapolis 500 with a multi-year deal running through 2018. "This historic announcement is welcome news for the Indianapolis Motor Speedway and generates even more momentum for the entire Verizon IndyCar Series", Hulman & Company CEO Mark Miles said. "PennGrade Motor Oil, with its deep understanding of the heritage and tradition that fuels the Indy 500, is the perfect presenting sponsor for the world's greatest race." More info.

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    Where can you purchase PennGrade Motor Oil? Click here.
    1959 D-A Indy Car D-A LUBRICANT CO. JOINS RAHAL LETTERMAN LANIGAN RACING AS A MULTI-YEAR MAJOR ASSOCIATE SPONSOR.

    BROWNSBURG, IN and LEBANON, IN - Rahal Letterman Lanigan Racing (RLL) announced today that D-A Lubricant Co. has joined the team as a multi-year, major associate sponsor of the No 15 Indy car driven by Graham Rahal. This partnership marks a return to Indy car racing for D-A Lubricant Co., based in Lebanon, IN, who sponsored entries in the Indianapolis 500 from 1955 - 1958 with a highest finish of sixth in "The Greatest Spectacle in Racing" in 1956 with driver Bob Sweikert. D-A-sponsored cars also ran in the USAC Championship Car series during that time period, earning one win in 1957 and four wins in 1958.

    In addition, the relationship provides a business-to-business opportunity with the LANCO Group of Companies, whose president is RLL co-owner Michael Lanigan. D-A Lubricant Co. will provide additional technical support to the team in 'development' of performance lubricants that will be used on the race car.
    See the Press Release