The SD45 is a six-axle diesel-electric locomotive class built by General Motors Electro-Motive Division between 1965 and 1971. It has an EMD 645E3 twenty- cylinder engine generating 3,600 hp (2,680 kW) on the same frame as the SD38, SD39, SD40, and SDP40. As of 2023, most SD45s have been retired, scrapped or rebuilt to SD40-2 standards.

It was a passenger-hauling version of the SD45 on a stretched locomotive frame with an extended, squared-off long hood at the rear, aft of the radiators, giving space for a steam generator for passenger train heating. This steam generator placement followed the pattern set by the SDP35 and SDP40.

Jan 3, 2016 · EMD's SD40 used the builder's new 645 model diesel engine, the new AR-10 alternator, and the new D77 traction motor, and UP soon came to appreciate the improvement over the builder's previous 567 model engine and DC generator combination.

Feb 13, 2025 · UP 60 was an EMD SD45, UP Designation EMD/Morrison Knudsen SD45M. Reportedly, it was built in 1968 by EMD as UP 3634 an SD45, builders number 33443, from UP series 3600-3649. It was renumbered UP 34 in 1978. It was rebuilt in 1980, equipped with a Sulzer 16ASV25R-30 engine and 62:15 gear ratio. Union Pacific called these units SD45Ms.

Dec 20, 2024 · Electro-Motive was determined to win the horsepower race of the 1960s and cataloged its most powerful standard model in late 1965, the SD45. To achieve its goal, EMD increased the size of its new 645 power plant to 20 cylinders, which increased horsepower to …

Jan 27, 2025 · COTTON BELT: Runs like a Blue Streak! The SD45M! It looks like a totally overhauled SD45, DM&E has a couple. Also I wonder if this has desktop control stands... Check out my [url=http://emd_sd_60.rrpicturearchives.net]train pix [/url]!

The EMD (Electro Motive Division) SD45 is a series of six-axle 3,600 hp diesel locomotives which were built from December 1965 to December 1971. 1,260 were built before the SD45-2 super-ceded it. It had been phased from mainline service on Class 1's to helper service, and now very few "true" SD45's remain active.

Aug 30, 2024 · WC 6634, formerly MKCX 9511, was built as EL 3656, an “SD45M”. It featured the long frame of the SDP45, but no steam generator; the extra space was used for a large 5000 gallon fuel tank so that the units could run greater distances before refueling.

Great Northern “Big Sky Blue” locomotives will come with special user-applied preprinted and painted detail parts to replicate the prototype’s railing-mounted logo plate. Powerful Kato mechanism powered by a 5-pole flywheel motor and featuring a 9 3/4″ minimum turning radius – great for hauling sets such as the Kato N Mixed Freight Train Set.