Article: A look inside: the benefits of proper maintenance, oil analysis and quality motor oil are revealed in an engine teardown conducted at Dolomite Products, the largest rock quarry in New York.(E&T: ENGINE MAINTENACE)

Dolomite Products Corp. was founded in 1920, originating from a single quarry in Rochester, N.Y., and over the years has grown rapidly to include six separate but cohesive divisions. Today, the corporation known as The Dolomite Group has more than 300 employees and supplies crushed stone, hot mix asphalt and central mix concrete to the construction industry in a four-county area in upstate New York.

The corporation offers services that run the gamut from producing high-grade crushed stone for use on interstate roads, to delivering concrete for commercial buildings. Don Hosenfeld, equipment supervisor of The Dolomite Products Division, oversees the care and ...

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