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N P3 PRR M1a 4-8-2 Steam Loco Unlttrd./DC/DCC Sound
In 1930, the celebrated success of the M1
Mountain-type locomotives prompted the Pennsylvania Railroad to order
100 more locomotives of the 4-8-2 wheel arrangement. The new
locomotives became the M1a class and had a longer wheelbase than the
M1’s due to the addition of the Worthington feedwater heater. They also
received new larger tenders, class 210F75, which became known as the
coast-to-coast tenders.
The first 50 M1a locomotives, #6700 – 6749,
were built by Baldwin. The Juniata Shops, which became knows
as the “Altoona Works,” built the next 25 M1a’s numbered 6750 – 6774,
and the remaining 25 M1a’s were built by Lima and were numbered 6775 –
6799.
Starting in 1946, 41 of the M1as received
further improvements by increasing the boiler pressure and adding
circulators to the firebox. The improved M1as became the M1b
class. The best way to tell them apart is to look for the
circulators on the firebox just above the running boards. The
circulators are those round objects in a diagonal line that look like
wash-out plugs.
The PRR M1a/bs were considered to be the
finest of the PRR’s steam locomotives. They were designed as
dual service locomotives, hauling passenger trains and also saw duty in
general freight service. And in the end, they even hauled the heavy ore
trains, which there were not originally intended to pull.
They did it all in style!
Locomotive
features:
- Paragon3
Sound & Control System with Rolling Thunder - Integral DCC
Decoder with Back EMF for Industry Best Slow Speed Operation
in DC and DCC
Motor Type: 5-Pole Can with Skewed Armature & Fly Wheels
Authentic PRR M1a Sounds- Premium
Caliber Painting with Authentic Paint Schemes - Prototypical
Light Operation with Golden White LED Headlight and Reverse Light Jewel - Beautifully
Detailed, Accurately Modeled Locomotive - Separately
Applied Details such as brass bell, grab irons, and ladders - Constant
Intensity Directional Lighting
Locomotive Composition: ABS plastic with Die Cast Chassis- Tender
Composition: ABS plastic with Die Cast Chassis
Locomotive Length: 6.5 inches- Tender
Length: 3.8 inches
Couplers: Microtrains #1015 compatible
Recommended Minimum Radius: 9.75 inches
Industry-Leading SOUND
Features:
- Operates
in DC & DCC (use DCMaster for DC Sound) - Unmatched
frequency response as low as 20 Hz when paired with Rolling
ThunderTM subwoofer kit - 16-bit
Sample Rate for exceptional high frequency sound clarity - Playback
Whistle for multiple whistle lengths and patterns - Choice
of 3 selectable Whistles / Horns - Alternate
Whistle / Horn where applicable for locomotive with air horn
and steam whistle – both the main whistle and alternate can be easily
played - Adjustable
bell ringing interval for faster or slower bell - Numerous
user-mappable functions with available keys - Johnson
Bar Sound at Direction Change (Steam Only) - Passenger
Station Ambient Sounds – Controlled with Function Key - Freight
Yard related radio chatter – Controlled with Function Key - Lumber
Yard Ambient Sounds – Controlled with Function Key - Farm
related radio chatter – Controlled with Function Key - Crew
Radio Communications – Controlled with Function Key - Maintenance
Yard related radio chatter – Controlled with Function Key - Demo
Mode for display and demonstrations - Grade
Crossing Signal – Controlled with Function Key - Simple
Programming with Integral DCC Decoder - Automatic
Forward / Reverse Signal – When activated, stopping triggers
and stop whistle toot. When moving forward from a stopped
position, toots twice. When moving in reverse. toots three
times. - Engine
sound intensity varies with load - Individually
adjustable sound volumes for most sound effects
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