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A railgrinder (or rail grinder) is a maintenance of way vehicle or train used to restore the profile and remove irregularities from worn tracks to extend its life and to improve the ride of trains using the track. Rail grinders were developed to increase the lifespan of the tracks being serviced for rail corrugation.
Loram provides maintenance of way services to Class I and shortline railroads, rapid transit systems, and commuter rail systems [2] worldwide. [6] The Railway Supply Institute said in 2015 that Loram was "one of the leading suppliers of track maintenance machinery and services in North America and the global market". [2]
March 11, 2005 – A rail grinder working westbound on the Union Pacific Railroad mainline sideswipes an eastbound BNSF Railway intermodal train at Rochelle, Illinois; the trains do not derail but a few containers are destroyed. The entire event is recorded on the Trains Magazine Rochelle webcam. [5]
Speno rail grinding train in Germany. Speno International SA is a manufacturer of railway track maintenance machines. The Speno company was founded by Frank Speno in 1960 and is now headquartered in Switzerland. It operates maintenance trains in many countries. The Speno trains are bright yellow in color.
High-speed grinding (HSG) is a rail care concept developed by the company Stahlberg Roensch from Seevetal, Germany. It is based on the principle of rotational grinding and serves to grind rails at up to 100 kilometres per hour (62 mph).
Rail grinders - Uses grinding wheels to restore rails back to a ideal shape, extending life time of the rail. [4] Spreaders - Rail based plow that is used to move ballast and create ditches beside train tracks. [3] Side dump cars - Rail car that was built so that it can dump it's load, often ballast, to the side, at any location. [3]
The TTC constructed two rail grinder trains from two pairs of PCC cars retired from passenger service. One train was adapted for the subway system and the other was for the streetcar system. In 1970, the TTC converted two class A-7 PCCs (4446 and 4410) into a subway rail grinder train (renumbering the cars as RT-14 and RT-15).
Rail grinder: 1915/1932/1955/ 1953 Preston Car Company / Toronto Transportation Commission / TT'nC / TTC: 1970s Former Toronto Civic Railways 52; renumbered 2204 in 1923; converted to snow scraper in 1932; converted to rail grinder W-27 in 1955; modified for subway in 1953; not equipped with third-rail shoes: pushed/towed by RT-6 (1st) RT-7 (2nd)