Leading the Way Since 1948

We started over 70 years ago in Lancaster County, PA by refurbishing and reselling stationary diesel engines. A few more notable milestones from our history are listed below.

1948 – Amos B. Stauffer, Proprietor, began a used diesel engine business and introduced the first diesel-powered Amish dairy system

1950 – Sold first new Fairbanks-Morse diesel engine

1951 – Sold first new Witte diesel engine

1953 – Began manufacture of diesel driven Sta-Colt™ milk coolers and freezers

1955 – Sold first new DEUTZ (F1L-612) diesel engine

1956 – Acquired DEUTZ diesel engine distributorship for Eastern PA

1962 – Designed and built DEUTZ diesel-powered generator sets

– Introduced automated diesel-powered bulk milk cooler systems

1963 – Incorporated proprietorship into Stauffer Diesel Refrigeration, Inc.

1968 – Built Stauffer S520 diesel-powered vehicles for underground mining

– Acquired dealership for DEUTZ tractors

1969 – Moved facilities from Gordonville to New Holland, PA

Changed name to Stauffer Diesel, Inc.

1977-1988 – Earned several top honors in NTPA national tractor pulling championships

– Equipped the employee-built competitive DEUTZ diesel tractors with 3-stage turbochargers

1983 – Built rail generators for Fruit Growers Express

1985 – Moved from New Holland to new facilities in Ephrata, PA

– Expanded DEUTZ engine franchise into Western PA

1986 – Leased building for Pittsburgh Branch

1988 – Divested of DEUTZ tractor dealership

1989 – Developed Railgen™ fully-enclosed generators for passenger rail cars

– Built first Stadco™ series produced rail duty generators

1992 – Acquired Lister-Petter engine franchise for Western PA

1995 – Created first Stadco™ mobile generators for emergency vehicles

1996 – Divested Lister-Petter engine franchise

2005 – Created first Stadco™ RPG type generators for road switcher locomotives

2006 – Built dedicated Stadco™ generator manufacturing facility

2007 – Sold over 600 DEUTZ diesel engines

2010 – Recognized as #1 (Top Performing) DEUTZ distributorship in North America.

2011 – Sold over 500 DEUTZ diesel engines

2012 – Sold over 600 DEUTZ diesel engines.

– Built 164 Stadco gensets, including 35 Rail Propulsion Gensets

2013 – Earned Deutz KPI Performance rating: 1 of 19 in North America

2014 – Earned Deutz KPI performance rating: 6 of 20

2015 – Built 119 Stadco gensets, including 44 Rail Propulsion Gensets

– Formed ABS Holdings, LLC and purchased an 8700 SF service facility in New Stanton, PA

– Constructed 8000 SF warehouse, Building “C”

2016 – Commissioned Epicor-E10 ERP software platform, including a manufacturing-centric architecture

– Relocated Western PA service branch operations into newly acquired 8700 SF facility

2017 – Earned Deutz Performance rating of Gold (new rating system)

2018 – Earned Deutz Performance rating of Platinum (Top)

– Acquired expanded Deutz engine distribution territory, including New York and New England states

2019 – Earned Deutz KPI Performance rating of Platinum No. 1 in North America

2020 – Acquired Deutz engine distribution territory expansion (Added 7 counties in Northeastern PA)

– Acquired FPT Industrial engine distribution rights to the states of PA, NJ, DE, MD, VA, WV, KY, OH, IN, MI, and IL. In addition, acquired marine engine distribution in the Great Lakes region


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