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October 5, 2022 - M.T.H. Electric Trains will be releasing a series of 2023 Rail King O Scale SD-45 Diesel Locomotives in five exciting paint schemes beginning early next Spring. Each of these unique schemes will be available in limited production quantities and is expected to begin shipping to M.T.H. Authorized Retailers in April 2023.

Check out each of these offerings HERE.

These items are available to order from your local M.T.H. Authorized Retailer.

ABOUT THE RAILKING O SCALE SD-45 DIESEL LOCOMOTIVE

Like the Pontiac GTO, the SD45 was a mid-60s General Motors muscle car. Stuffed under its brick-like hood was the largest diesel motor made up to that time, a turbo-charged, 20-cylinder, 3600 hp, Electro-Motive Division model 645E. The Great Northern took delivery of the first SD45 in May of 1966 and promptly painted the nickname "Hustle Muscle" on its flanks. The name said it all: the SD45 was heavy freight power, intended for long trains and high speeds. And it had the muscular looks to match, with flared radiators capping a long body that filled every inch of its frame — as opposed to its baby brother, the SD40, which had an open "porch" at each end of the engine.

Unfortunately, the 20-cylinder motor turned out to have a major flaw: a tendency to break its own crankshaft. Even so, a large number of Class 1 railroads rostered the engine, with 1,260 units sold between 1966 and 1971. The Santa Fe, Burlington Northern, Pennsy, and Southern Pacific each owned more than 100 of the heavy freighters. Looking at the order quantities, one can see that the SD45 marked the beginning of a large-scale shift toward six-axle freight engines on American railroads. Before the late ‘60s, adding a third axle to a truck was mainly an expedient to spread out an engine’s weight for service on lighter rail, particularly branch lines. But with the SD45 and its contemporaries, railroads began favoring the six-axle engine as a way to get more power on the rails for heavier mainline trains. Despite the initial crankshaft problems, many SD45s served their original owners for decades, as well as successor railroads like Conrail and the BNSF, and later went on to new lives on smaller, secondary roads.

The RailKing Scale model comes fully equipped with Proto-Sound 3.0, remotely activated Proto-Couplers, speed control in scale miles-per-hour, operating smoke, LED lighting, and much more.

Check out each of these offerings HERE.

These items are available to order from your local M.T.H. Authorized Retailer.


M.T.H. Electric Trains will be releasing a series of 2023 Premier O Scale 33K Gallon Tank Cars in four exciting paint schemes beginning early next year. Each of these unique schemes will be available in limited production quantities and is expected to begin shipping to M.T.H. Authorized Retailers in April 2023.

Check out each of these offerings HERE.

These items are available to order from your local M.T.H. Authorized Retailer.


M.T.H. Electric Trains will be releasing a series of 2023 Premier O Scale SD-35 Diesel Locomotives in four exciting paint schemes beginning early next year. Each of these unique schemes will be available in limited production quantities and is expected to begin shipping to M.T.H. Authorized Retailers in February 2023.

Check out each of these offerings HERE.

These items are available to order from your local M.T.H. Authorized Retailer.

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They are RailKing Scale -- the former Premier tooling. The new Premier SD45's were re-tooled with additional detail added. Now, being the rivet-counter in training, ATSF 5704 was actually an SD45-2 from the ATSF shops. That being said, I'm ordering one anyway because I remember seeing 5704 running on the ATSF Harbor Subdivision back in the 1970's when I was working at TRW in Redondo Beach. I'm trying to figure out how I'm going to fix the pilots.

@AGHRMatt posted:

They are RailKing Scale -- the former Premier tooling. The new Premier SD45's were re-tooled with additional detail added. Now, being the rivet-counter in training, ATSF 5704 was actually an SD45-2 from the ATSF shops. That being said, I'm ordering one anyway because I remember seeing 5704 running on the ATSF Harbor Subdivision back in the 1970's when I was working at TRW in Redondo Beach.

Question Matt, were you assembling satelites at that time, had a clean room that you had to go through to get to the satelite?

Question Matt, were you assembling satelites at that time, had a clean room that you had to go through to get to the satelite?

When I first worked there in 1976 (in college as a student worker), I worked in the Manufacturing Engineering Division and calibrated equipment used in building satellites (reflow soldering machines, pulse welders, heat guns, and other things). I had access to clean rooms and other areas. Ironically, one of the lines I supported built a satellite that I later was involved with.

I later transferred to Applied Technology Division, where I programmed data acquisition and control systems. That satellite they built, TDRSS, was launched on the space shuttle and was launched into a useless orbit when the booster malfunctioned. The group I worked for was doing the computer analysis that provided the instructions on using the alignment thrusters (one of which was damaged during the malfunction) on the satellite to move it over 6,000 miles into a usable orbit. The reason we were able to do it was that they had calculated how much fuel it would require for the thrusters, but at the last minute a lowly technician decided to completely fill the fuel tank which was about three times the fuel it would have needed over its lifetime. We definitely caught a break.

I also worked on a couple of other projects I can't talk about, but let's say they're using it's progeny today. Another fun fact was the panic that set in with my mother and neighbors when the FBI showed up asking questions about me. My father and the 12-year old kid across the street knew what was going on (the kid figured it out on his own and we had a good laugh) and didn't tell anyone. Some of the neighbors were expecting me to be carted off in an FBI raid.

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