PROTOTYPE AND BACKGROUND INFO:

In 1949, EMD introduced the GP7. The basic design followed most diesel switchers with the addition of a short hood instead of an end-cab. The hoods were also full height to better accommodate the diesel engine and mechanical and electrical components.

In 1954 EMD upgraded the GP7 to become the 1,750 horsepowerGP9. Externally, the first GP9s were virtually unchanged from the last GP7s. Later versions would include different louver arrangements, andthe last ones would come without the frame skirting. The GP9 was available with all fuel tank, steam generator, and dynamic brake options as the GP7, including roof mounted “torpedo tube” air tanks.

Many railroads chose to rebuild their GP7s and GP9s for continued service. Often times, it was cheaper to do this rather than purchasing brand-new locomotives. Some railroads adopted a GP7R or GP7udesignation to indicate a rebuilt unit.

GP7 SERIES LOCOMOTIVE FEATURES:

• DCC-ready features Quick Plug plug-and-play technology with 21-pin NEM connector
• Coupler cut levers
• Flexible rubber trainline and MU hoses
• Lift rings
• Wire grab irons
• Windshield wipers
• See-through cab windows and full cab interior
• “Nub” style walkway tread
• Drop steps unless noted
• MU stands
• Sander lines
• Roof access hatches on non-dynamic units per prototype
• Bell placement & type per prototype
• Detailed fuel tank with fuel fillers, fuel gauges, breather pipes, and retention tanks
• Fine-scale Celcon handrails for scale appearance
• Etched metal radiator intake grilles and fan grilles
• Air tanks mounted below sill unless noted
• LED Lighting for realistic appearance
• Speed recorder unless noted or shown elsewhere
• Blomberg-B trucks with appropriate bearing caps
• Body-mounted McHenry scale knuckle couplers - Kadee compatible
• Genesis driveline with 5-pole skew wound motor, precision machined flywheels, and multi-link drivetrain
• All-wheel drive with precision gears for smooth & quiet operation
• All-wheel electrical pickup provides reliable current flow
• Wheels with RP25 contours operate on all popular brands of track
• Heavy die-cast frame for greater traction and more pulling power
• Scaled from prototype resources including drawings, field measurements, photographs, and more
• Accurately painted and printed paint schemes
• Packaging securely holds for the model for safe storage
• Minimum radius: 18” — Recommended radius: 22”

SOUND-EQUIPPED MODELS ALSO FEATURE

• Onboard DCC decoder with SoundTraxx Tsunami2 sound
• Dual cube speakers for optimal sound quality
• Sound units operate in both DC and DCC
• Full DCC functions available when operated in DCC mode
• All functions NMRA compatible in DCC mode
• Precision slow speed control
• Program a multiple unit (MU) lashup with lead unit only horn, bell, and lights
• Many functions can be altered via Configuration Value (CV) changes
• CV chart included in the box

PRIMED FOR GRIME MODELS FEATURE

• Duplicated look and feel of “In Service” equipment
• Faded base colors matched to the prototype
• Perfect starting point for adding grime and rust

Chicago and North Western - GP7R

The Chicago and North Western’s Oelwein shops were known for turning out a variety of rebuilt locomotives. A total of 74 GP7 locomotives were rebuilt between 1971 and 1981. The rebuild included chopped front hoods to improve visibility. The locomotives also received overhauled prime movers and electrical equipment. These modifications significantly extended the service life of the locomotives.

CNW FEATURES:

• Non-dynamic hatch
• Three-chime horn (mounted per prototype)
• Beacon (per prototype, flashing in DCC mode)
• All-weather cab window (on right side of cab)
• Fuel tank skirts (if applicable, per prototype)
• 1200-gallon fuel tank
• Drop steps
• Short MU
• Front snowplow
• Rear hose trays

ROAD NUMBER SPECIFIC FEATURES:

• #4281 Xenon strobe beacon (flashing in DCC mode)
• #4282 Western Cullen beacon (flashing in DCC mode)

Looking for more Athearn EMD (Electro-Motive Division) GP-7 / GP-9 Diesel Locomotives? Click here!