SOUTHWEST RESEARCH INSTITUTE

JDQ 78A Diesel Engine Oil Procedure
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Southwest Research Institute (SwRI) occupies more than 1,200 acres in San Antonio, Texas, and provides more than 2 million square feet of office and laboratory space for more than 3,100 employees who perform contract work for industry and government clients.

Contact Information

Perry Grosch

JDQ 78A Diesel Engine Oil Procedure

(210) 522-2815

pgrosch@swri.org

Related Terminology

John Deere

JDQ 78A

diesel engine oil

oil performance

oxidation stability

TBN depletion

wear performance

piston deposits

oil consumption

lubricant deposits

John Deere 4045T

| Engine Lubricants Research Department | Fuels and Lubricants Research Division | SwRI Home |

Southwest Research Institute® (SwRI®), headquartered in San Antonio, Texas, is a multidisciplinary, independent, nonprofit, applied engineering and physical sciences research and development organization with 11 technical divisions.

September 07, 2007