The EMD SD50 is a 3,500-horsepower (2,610 kW) diesel-electric locomotive built by General Motors Electro-Motive Division. It was introduced in May 1981 as part of EMD's "50 Series"; production ceased in January 1986.

Dec 16, 2024 · The SD50 was Electro-Motive's followup to its blockbuster SD40-2. As Greg McDonnell notes in his book, "Locomotives: The Modern Diesel & Electric Reference (Second Edition)," the '50 was essentially a transition model.

EMD SD50 / GMDD SD50F; Data Sheet Information Compiled by: Jean-Denis Bachand: New: 5 Ocotober 2006: Artwork by: Jean-Denis Bachand-Engine Builder: EMD: ... Diesel Locomtoives, Vol.2, by Bob Hayden Illustrated Treasury of GM Locomotives, by James W. Kerr Diesel Locomotives, The First 50 Years by Louis A. Marre ...

A typical CSX SD50, which is actually now a downgraded SD50-2. The EMD, Electro Motive Division, SD50 is a 3,500/3,600 hp, six-axle, diesel locomotive built between 1980–1987. There were 427 units built.

Designed for a 3000 HP output in the SD40-2 series, EMD attempted to coax an additional 500 HP from this power plant that created increased stress and crankshaft maladies.

The EMD SD50 is a 3,500-horsepower locomotive built by General Motors Electro-Motive Division. It was introduced in May 1981 as part of EMD's "50 Series"; production ceased in January 1986.

Now with 4 units, RBMN YJPN prepares to take the coal train back to Muller after weighing each car on the scale. The diesels assisted with the wyeing move in Jim Thorpe, and the final run from Port Clinton to North Reading at the end of the day.

410 throttles through Vine at 1540. Built February 1983 as Seaboard 8508.

Viewed from the end of Liberty Street in Milford, Z127 returns south to Wixom from Flint led by LSRC 6351. LSRC 6351 and Z12703 arrive at Wixom on a wintry Sunday morning.

The Electromotive Division SD50 is a 6 axle, 3,500 HP diesel-electric locomotive built by EMD from 1981 to 1986. It's 16 cylinder 645F3B engine could be rated between 3,300 HP and 3,500 HP. It was the last engine to use the 645 engine, the …

The EMD SD50 is a 3,500-horsepower (2,610 kW) diesel-electric locomotive built by General Motors Electro-Motive Division. It was introduced in May 1981 as part of EMD's "50 Series"; production ceased in January 1986.

Aug 18, 2018 · What are the main differences, mechanically, between an SD50 and an SD40-2? I just recently shot some drone video of trains that had one of each and noticed that the hood on the 40 is much shorter than on the 50.

The EMD (Electro Motive Division) SD50 is a type of 3,500hp (or 3,600hp in some cases) six-axle diesel locomotive built from 1980 to 1986, but didn't officially begin production until 1984 after receiving full order placements in 1983. 487 were built for a handful of Class 1 railroads, most...

sd50-2 837048-5 : 273139: ltex 8547 : sd50-2 837048-21 : 273135: ltex 8552 : sd50-2 837048-26: 1: 2078138592: ltex 8561 : sd50-2 837057-9 : 273142: ltex 8575: ex-csx 8575 exx-co 8575: sd50-2 837057-23: 1: 264490: ltex 8579 : sd50-2 837081-4: 1: 2078138212: ltex 8617 : sd50-2 847017-15: 1: 2078138593: ltex 8624 : sd50-2 857095-1: 2: 273130: ltex ...

The SD50 was a transitional model between EMD's Dash 2 series which was produced throughout the 1970s and the microprocessor-equipped SD60 and SD70 locomotives. A total of 431 were built. The SD60 is essentially identical to the SD50 externally, but has a different prime mover, the new 16-cylinder EMD 710G3A, and a computer-controlled ...

Jan 17, 2024 · The SD50 was a direct response to General Electric's "Dash 7" line's popularity with railway customers in America. Hence the SD50 was drawn up to counter this reach and was presented as an improvement to the earlier troubled, gas-guzzling SD45/SD45-2 models.

Promotional photo: "An SD50 pulls a unit coal train past the loading tipple at High Power Mountain, a low-sulfur coal mine near Drennen, W. Va."

The road was ready for Tunnel Motors a few years later, but builder EMD wasn’t, and offered Rio Grande its 3,500-hp SD50 with the promise that increased horsepower and traction slip control would mean an investment of fewer units (17 SD50s versus the planned 20 more SD40T-2s).

Highest numbered of Rio Grande's SD50s, the 5517 was later SP 5517, UP 5111:1, UP 9861. Date of photo approximate. Northbound, just coming off the single track section of the Joint Line. ROGJM (Roper Yard to Grand Junction) is at Lynn in the Price River Canyon.

4 days ago · EMD SD50 series official thread (covers all variations) Discussion of Electro-Motive locomotive products and technology, past and present. Official web site can be found here: http://www.emdiesels.com/.