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The SD40T-2 is a 6-axle diesel-electric locomotive built by General Motors Electro-Motive Division having a 16-cylinder EMD 645E3 diesel engine producing 3,000 horsepower (2,240 kW). 312 SD40T-2s were built for North American railroads between April 1974 and July 1980. This locomotive and the SD45T-2 are popularly called tunnel motors, but EMD's term is SD40-2s with "cooling system modifications" because they were designed for better engine cooling in tunnels. The difference between this locomotive and its non-tunnel motor cousin, the SD40-2, are the radiator intakes and radiator fan grills located at the rear of the locomotive. The radiator air intakes in this model were along the deck to allow more fresh, cooler air to enter and less hot exhaust fumes lingering around the tunnel's ceiling.
SP ex DRGW FEATURES:
- New DRGW 88" nose with extended Gyralight housing
- Nathan P3 air horn on bracket, placement per prototype
- Sinclair antenna
- "Possitive Tractive Control" cabinet
- Cab mounted headlight
- Smaller capacity 3600 gallon fuel tank
- Small EMD style plow
- Small anticlimber
- Coupler cut levers with loops
- Frame mounted bell
- "Christmas Tree" style w/ LED illuminated beacon, ditchlights
LOCOMOTIVE FEATURES:
- Fully assembled and ready-to-run
- Four road numbers
- Rubber trainline and MU hoses with silver ends
- "Mushroom" nose vent on right side
- Separately applied wire grab irons
- Standard late Dash-2 4-window/L-window cab without louvers or roof seam per prototype
- See through cab windows
- Fixed cab side windows
- Welded ECAFB
- See-through dynamic brake fans
- See through radiator grilles with new rear truck gearbox speific for the tunnel motor
- Fine scale handrails
- Photoetch windshield wipers
- Separately applied air tanks
- Speed recorder attached to appropriate axle per prototype (except undecorated)
- McHenry scale knuckle spring couplers
- Highly-detailed, injection molded body
- Painted and printed for realistic decoration
- LED Lighting
- New tooling HTC truck sideframes
- All-wheel drive with precision gears for smooth and quiet operation
- All-wheel electrical pickup
- 5-pole motor with flywheels and multi-link drivetrain for troublefree operation
- Compatible with ATHG63839 Genesis motor retrofit kit
- Window packaging for easy viewing
- Interior plastic blister safely holds the model for convenient storage
- DCC Ready 21-pin NEM Quick Plug technology
- Available also with factory installed Econami Sound by Soundtraxx
- Nickel plated, blackened machined wheels
- Wheels with RP25 contours operate on all popular brands of track
- Replacement parts available including motor brushes
- Minimum radius: 18"
- Recommended radius: 22"
SOUND EQUIPPED MODELS ALSO FEATURE
- Onboard Econami Sound by SoundTraxx
- Sound units operate in both DC and DCC
- Full DCC functions available when operated in DCC mode
- Engine, horn, and bell sounds work in DC
- All functions NMRA compatible in DCC mode
- Excellent Slow speed control
- Effect lighting (if applicable) using F5 and/or F6
- Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights
- Many functions can be altered via Configuration Value (CV) changes