The low temperature pumpability performance of twenty-one new and used multigrade oil formulations was determined in fired engine tests conducted with Caterpillar 3406B, Cummins NTC-365 and Detroit Diesel Series 60 heavy duty diesel engines. Significant differences in pumpability characteristics were observed among the test engines, but there was no evidence of pumpability problems in the oils evaluated. In fact, significant pressurization of the oil delivery system occurred during the engine cranking phase, prior to ignition. A comparison of different SAE “W” viscosity grades indicated pumpability characteristics consistent with the J-300 classification system. Good correlations were observed between the MRV viscosity of the test oils and pumpability characteristics in the test engines, both on an individual, and on an average engine basis.


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    Titel :

    Factors Affecting Pumpability in Heavy Duty Diesel Truck Engines at Low Ambient Temperatures


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Alexander, A.G. (Autor:in) / May, C.J. (Autor:in) / Smith, C.R. (Autor:in)

    Kongress:

    International Fuels & Lubricants Meeting & Exposition ; 1991



    Erscheinungsdatum :

    1991-10-01




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch


    Schlagwörter :



    Factors affecting pumpability in heavy duty diesel truck engine at low ambient temperature

    Alexander,A.D. / May,C.J. / Smith,C.R. et al. | Kraftfahrwesen | 1991


    Engine oil pumpability study in a heavy duty diesel truck engine

    Neveu,C.D. / Renner,G. / Herzog,S.N. et al. | Kraftfahrwesen | 2000


    Engine Oil Pumpability Study in a Heavy Duty Diesel Truck Engine

    Neveu, Christian D. / Renner, Gerhard / Herzog, Steven N. | SAE Technical Papers | 2000


    Engine Oil Pumpability Study in a Heavy Duty Diesel Truck Engine

    Neveu, C. D. / Renner, G. / Herzog, S. N. et al. | British Library Conference Proceedings | 2000