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Field Performance of Synthetic Automatic Gear Lubricants
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English
Abstract
This paper reviews a series of durability field performance tests that resulted in the development of an all-synthetic automotive SAE 75W-90 gear lubricant. The synthetic gear lubricant meets the requirements of API GL-5 and MIL-L-2105C. The synthetic gear oil was field tested in heavy-duty truck axles including Rockwell SQHD and SQHP, Eaton DS-380, and Mack SW-34D models. In general, lubricant drain intervals were extended as high as 250,000 miles with parts inspections carried out at 100,000 to 500,000 miles. All axles inspected indicated that satisfactory lubrication was achieved. The parts analysis and oil inspection analysis are included in this paper.
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Citation
Beimesch, B., Margeson, M., and Davis, J., "Field Performance of Synthetic Automatic Gear Lubricants," SAE Technical Paper 831730, 1983, https://doi.org/10.4271/831730.Also In
References
- Moats N. W. “Canadian Experience with Multi-grade Gear Oil,” SAE Paper 811204
- O'Connor B. M. Schiemann L. F. Johnson R. L. “Axle Efficiency - Response to Synthetic Lubricants Components,” SAE Paper 821181
- Adams J. H. Frost K. A. Hartman L. M. Palmer L. J. “The Effect of Gear Lubricant on Fuel Economy as Measured in a Line Haul Truck Fleet,” SAE Paper 810179
- Stambaugh R. L. Galluccio R. A. Koller R. D. “Multigrade Gear Lubricant in Truck Fleet Testing - Analysis for Fuel Economy Effects,” SAE Paper 810178