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EMD F7 B-Unit
Item No: L5EMF7B
In category  Locomotives / 5in Gauge / RTR

EMD F7 B-Unit + Click image to enlarge

From AU$6,275
Unpainted Kit

1,483 cabless booster or B-units were built along with the 2,366 cab-equipped lead A-units by EMD from 1949, part of the long series of F type diesels. These engines were economical to operate and maintain and were extensively used for freight and passenger services.

The model accurately represents the full size locomotive, with a wealth of detail on bogies, chassis and body. This includes springs, glazed windows/windscreens, headlamp, handrails, number boards, exhaust and cooling vents.

This B(cabless) unit compliments the A units that we sell. With four additional motors and either independant or shared control systems.


The Maxitrak engines supplied by Mini Train Systems are fitted with a number of extra features to improve driver convenience and comply with Australian standards (AS3533). MTS engines are tested and warranted for 12 months against defects in materials or labour. These engines feature:

  • Key operated disable switch
  • Power connector for driving car mounted battery
  • 'Break away' disable feature
  • Improved Hand Held tether control.
  • MTS MU (Multiple Unit) Control System. This enables two or more engines to be coupled together and driven by the one driver. Power and control jumper cables link the locos together. Compatible with all MTS MU engines.


The F7 engines are available in a wide variety of liveries, including:
  • Wabash
  • Alaska Railroad
  • Santa-Fe
  • Ask us if you have a special request!

Package Deals and options

This locomotive is available either ready to run, or in kit form. Package deals including the F7-A unit, riding cars and track are also available.

Contact us to find out more today!

Measurements and Specifications
Gauge    5"
1-1/16" : 1ft
Wheel diameter    88mm
Performance and Control
Powered?    Yes
Motors    8 x 60w
Control    Combined with EMD F7(A) unit
Multi-unit ready?    Standard
Maximum load    9 adults
Top speed    10km/h
Equipment and Fittings
Bearings    Bronze
Drive    Gear
Suspension    Spring (Independent axles)
Brake(s)    1 (Electromagnetic)
Wheel type    steel disc
Wheel configuration    Bo-Bo
Enthusiasts' Notes on "Real World Equivalent" of this item
Date manufactured    1949
Regions in service    USA
Pricing and Availability
      (Unpainted Kit)
Prices from   $6,275 AUD.
Available    Now
Lead time    16 weeks
Warranty    12 months