Crankcase Lubricants for Natural Gas Transportation Applications

Paper #:
  • 961920

Published:
  • 1996-10-01
Citation:
Chamberlin, W., Curtis, T., and Smith, D., "Crankcase Lubricants for Natural Gas Transportation Applications," SAE Technical Paper 961920, 1996, https://doi.org/10.4271/961920.
Pages:
12
Abstract:
The conversion of spark ignited and compression ignited engines to run on natural gas is established technology Engines have also been designed and built specifically for natural gas These engines have been used primarily in stationary applications with relatively constant operating conditions More recently, environmental pressures and economic considerations have made the use of natural gas attractive for transportation applications The urban transit bus population is particularly well suited to compressed natural gas fuelingThe basic engine designs for stationary natural gas service and conventionally fueled (diesel and gasoline) transportation service are similar Differences in operating conditions and maintenance practices have resulted in two distinct lubricant product groups Stationary natural gas engine lubricants tend to be high viscosity monograde formulations with a low ash content Lubricants for conventionally-fueled transportation applications are frequently multigrades with considerably higher ash content The lubricant needs for natural gas in transportation applications may not be adequately met with the lubricant product groups widely usable for stationary natural gas or conventionally fueled transportationLubricant products have been designed to combine features identified as desirable for natural gas fueling and the needs of transportation usage The performance of these products is supported by laboratory engine data
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