Athearn ATH87331 SD40 Western Maryland #7448 Locomotive w/DCC & Sound HO Scale

WM FEATURES:
Medium plows on both ends
Bell mounted on left side of long hood
Extra ballast on right side walkway
Early cut levers and handrails
Flexicoil trucks with high brake cylinders
There were 12 of these 3000hp, six-axle units on the WM. The first seven units, 7470-7474 and 7495-7496, were delivered in Speedlettering, with the last five delivered in Circus. The units were equipped with 26L brake gear and brake current limiting on the dynamic brakes. As of the Spring of 1996, all twelve of the ex-WM SD40 units remined in service. All but 4 were working for CSXT. Unit 4618 remained in the Chessie paint scheme, with the WM logo under the cab.

Stakem, Patrick H, and Stakem, Patrick E. “Western Maryland Diesel Locomotives”. TLC Publishing Inc, 1997.

SD40 SERIES LOCOMOTIVE FEATURES:
Bi-directional LED lighting
Coupler Cut Levers
Rubber MU hoses
Exhaust stack
Curved radiator fan grab iron
Fine scale handrails
Photo-etched stainless steel windshield wipers
Separately applied wire grab irons
See-through dynamic brake, radiator fans and cab windows
Frame mounted bell (unless noted)
Detailed 4,000 gallon fuel tank (unless different capacity is noted)
Flexicoil-C trucks with high or low brake cylinders (per prototype)
Separately applied air tanks
McHenry® scale knuckle couplers - Kadee® compatible
All-wheel drive with precision gears for smooth & quiet operation
All-wheel electrical pickup provides reliable current flow
DCC-ready features Quick Plug™ plug-and-play technology
Improved 5-pole skew wound can motor with flywheels and multi-link drivetrain for trouble-free operation
Non-sound version features 21-pin NEM DCC plug
Wheels with RP25 contours operate on all popular brands of track
Highly-detailed, injection molded body
Painted and printed for realistic decoration
Fully assembled and ready-to-run
Window packaging for easy viewing
Interior plastic blister safely holds the model for convenient storage
Minimum radius: 18” — Recommended radius: 22”
NEW FEATURES:
Newly designed can motor is more powerful and quieter than before
DCC & sound models feature Tsunami2 sound with dual cube speakers
LED lighting for long life and reliable operation
SOUND-EQUIPPED MODELS ALSO FEATURE
Onboard Tsunami2 DCC/Sound decoder
Dual cube speakers for optimal sound quality
Sound units operate in both DC and DCC
Engine, horn, and bell sounds work in DC
Some functions are limited in DC
All functions NMRA compatible in DCC mode
Operating lighting functions with F5 and/or F6 (Flashing ditch lights, beacon, etc.)
Excellent low-speed operation
Program a multiple unit (MU) lash up with lead unit only horn, bell, and lights
Many functions can be altered via Configuration Value (CV) changes
CV chart included in the box
PROTOTYPE SPECIFIC INFORMATION
In 1966, EMD updated its locomotive catalog with entirely new models, all powered by the new 645 diesel engine. The SD40 had 3,000 hp from a turbocharged V16. 856 examples of this locomotive model were built for American railroads, 330 were built for Canadian railroads, and 72 were built for Mexican railroads.

Product Specs
Era
1941-1970, 1971-1990
Prototype Manufacturer
EMD
DCC
Equipped
Reporting Mark
WM
Scale
HO
Sub Brand
ATHEARN
Axles
6
Lighting
LED
Sound
Tsunami2