This is MTH 22-20379-2 O N&W FM Trainmaster Diesel/3.0/Scale. FM Trainmaster diesel engine with Proto-Sound 3.0 (scale wheels), Norfolk & Western. Cab numbers: 3594, 3596 & 3597. Fairbanks Morse got into the locomotive business because it made submarine engines. FM's unique opposed-piston diesel engine powered about half the U.S. Navy's World War II submarine fleet and developed a great reputation for reliability; the adaptation to railroad equipment during and after the war seemed like a natural transition.
In the opposed-piston motor, each cylinder had a piston at either end and the combustion chamber in the middle. There were no valves or cylinder heads. Intake and exhaust occurred through holes in the cylinder walls. The upper and lower banks of pistons each powered a separate crankshaft, and the two crankshafts were linked together to power the locomotive. While this sounds like a complex way to build an engine, the O.P. diesel in fact had several advantages over a conventional motor: less moving parts, terrific acceleration, and about double the horsepower per cylinder.
In 1953 the O.P. engine reached its zenith in the Trainmaster. Introduced at the Railroad Manufacturers' Supply Association show that year, FM's new locomotive took the show by storm. It was the most powerful single-motored diesel locomotive of its era and had a brawny body to match its bold name. Emblazoned in bright yellow and red, four Trainmaster demonstrators barnstormed the country and walked away with any consist the railroads threw at them. For one brief moment, Fairbanks Morse looked like a contender.
Ultimately, however, the opposed-piston engine proved ill-suited to locomotive use. The bone-jarring railroad environment was much rougher on the motor than a submarine cushioned by an ocean. The top crankshaft proved prone to oil leakage. Perhaps most important, maintenance was a nightmare. Whereas a single bad cylinder in an Electro-Motive diesel could be accessed by pulling off one cylinder head, a cylinder repair in an O.P. engine required removal of the top crankshaft and removal or disconnection of the entire top bank of cylinders - which also meant the roof of the locomotive had to come off. Ultimately, only 127 Trainmasters were sold to 11 U.S. and Canadian railroads.
In the world of O gauge railroading, however, the Trainmaster was a hit from the moment it went on the market in the mid-1950's. The engine's massive size and tremendous pulling power have made it one of the most-loved engines among 3-rail operators for nearly half a century. The Premier Trainmaster comes complete with the digital sound, amazing slow speed capability, and variable smoke output that make Proto-Sound 3.0 the best sound and control system in model railroading. Unlike past iterations of the Trainmaster from other model railroad companies, our model's tooling was designed to allow us to customize the model according to each railroad's prototype. In short, this is the most accurate Trainmaster ever constructed for the O Gauge marketplace.
Its key features are: Intricately detailed ABS body Die-cast truck sides, pilots and fuel tank Fixed die-cast pilots Metal handrails and horn Moveable roof fans Metal body side grilles Two engineer cab figures Authentic paint scheme Metal wheels, axles and gears Kadee compatible coupler mounting pads Prototypical Rule 17 lighting Directionally controlled constant voltage LED headlights Lighted cab interior Illuminated number boards Lighted marker lights Two precision flywheel-equipped motors Operating smoke unit Locomotive speed control in scale MPH increments Onboard DCC receiver Proto-Scale 3-2 3-rail/2-rail conversion capable 1:48 scale proportions Proto-Sound 3.0 with The Digital Command System featuring: Freight yard Proto-Effects Unit measures: 17 x 2 5/8 x 3 7/8 Operates on 36 radius curves
Diesel DCC features: Headlight/Taillight Bell Horn Start-up/Shut-down Passenger station/Freight yard announcements Lights (except head/tail) Master volume Front coupler Forward signal Rear coupler Reverse signal Grade crossing Idle sequence 3 Idle sequence 2 Idle sequence 1 Extended start-up Extended shut-down Rev up Rev down One shot Doppler Coupler slack Coupler close Single horn blast Engine sounds Brake sounds Cab chatter Feature reset Smoke on/off Smoke volume
Condition: Factory New (C-9) Operational Status:Functional Original Box: Yes (P-9)
Manufacturer: MTH Model Number: 22-20379-2 Road Name: Norfolk & Western (NW)
Scale/Era: O Scale 2 Rail Model Type: Diesel Loco
The Trainz SKU for this item is P12069931.
Trainz Product Id: 12069931
WARNING:
This product can expose you to chemicals including but not limited to lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to
www.P65Warnings.ca.gov
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