MTH 30-21074-3 O Alco PA B Unit - Santa Fe Cab No. 52

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Scale O
Number 30-21074-3
Manufacturer MTH Trains

The PA was Alco's glamour girl. While Electro-Motive's E-units easily beat Alco's passenger engine in terms of popularity, the PA is widely regarded as the most beautiful first-generation diesel - period. Perhaps no other locomotive looked so right at the head of the streamlined trains of the late forties and fifties that were the last hurrah of American long-distance passenger service. The 294 PA's and cabless PB's built between 1946 and 1953 powered some of the most famous name trains from coast to coast, from the Santa Fe's Super Chief to the New Haven's Merchants' Limited.

The muscular PA profile and its elegant nose with the characteristic grille around the headlight were designed by Ray Patten of General Electric. At the time, GE and Alco were partners in the locomotive business, with GE making the electrical equipment for all Alco diesels. While Alco would later fall by the wayside, GE went on to become America's largest locomotive builder by the early 1990's.
Under the hood of the PA beat a 16-cylinder model 244 prime mover that developed 2000 hp. Depending on their gearing, PA's could hustle a passenger consist along at up to 100 mph.

Long after all other PA's had gone to scrap, four restored ex-Santa Fe units remained in service on the Delaware & Hudson into the late 1970's. Sold to the Ferrocarriles Nacionales de Mexico (FNM) in 1978, most of the units eventually deteriorated to junk status, although one remained operational. But in April of 2000, Doyle McCormack - who also happens to be the engineer of 4449, the restored Southern Pacific Daylight - and the Smithsonian Institution repatriated two of the junked units for rebuilding. One of the units will be restored to Santa Fe livery for static display, while Doyle is bringing the other PA back to life in the Nickel Plate Road "Bluebird" scheme. You can follow the progress of Doyle's labor on the Web site

Recreate the excitement of first-class passenger travel with the RailKing Alco PA locomotive and matching RailKing passenger sets. Our ProtoSound 3.0 sound and control system brings you the authentic sounds of an Alco prime mover and the ability to start your train so gently you won't spill the water in the diner - and then accelerate up to scale speeds of over 100 mph, just like the prototype.

Did You Know?

In the classification PA-1, the P stands for passenger, the A for the cab unit, and the 1 for the first model made. Later units were models PA-2 and PA-3.

  • Intricately Detailed ABS Body
  • Metal Wheels and Axles
  • Die-Cast Truck Sides
  • Metal Chassis
  • (2) Operating Metal Couplers
  • Unit Measures:12 7/8” x 2 1/2” x 3 3/8”
  • Operates On O-27 Curves
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Item # 30-21074-3
Preorder Yes
Scale O
Roadnumber May Vary No
Engine Style PA - PB
Engine Electronics Non Powered
Road Name Santa Fe