Specialized Diesel Parts, Inc


Locomotive Passion. Experience. Diligence.


Specialized Diesel Parts (SDP) is a family owned business based out of Hot Springs, Arkansas. It was founded by President/Owner Chuck Johnson in 1999. Mr. Johnson is a certified Fairbanks Morse Certified Technician and has over 40yrs of field experience building, troubleshooting, and repairing EMD,GE, ALCO diesel engines with locomotive, marine, and gen-set applications.

From 1978 thru 1998, Mr. Johnson rendered his expertise to Hatch & Kirk and later to Illinois Auto Electric before going into business for himself. Today SDP boasts a newly constructed office/warehouse of 10,000sq feet located a 105 Technology Place, Hot Springs, AR.

SDP’s products are manufactured in the US and various parts of the world by OEM and OEM approved manufactures. All products are made to US industry standards by ISO certified manufacturers.

With nearly $500k of available inventory, SDP is trusted supplier to various railroads, distributors, and OEMs.

Our Mission

Our mission is to responsibly manufacture high quality spare parts in an effort to reduce our client’s
operational costs with an emphasis on personalized customer service and timely deliveries.

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