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Congratulations on the purchase of your Bachmann Big Haulers
®
GP40 Diesel Locomotive! We want
to ensure that you enjoy many years of operation with your new model. Please read these instructions
carefully and in their entirety before running your locomotive to learn the best operational and
maintenance practices for your GP40.
THE PROTOTYPE
The GP40 was one of the most successful locomotives developed by the Electro-
Motive Division of General Motors and was undoubtedly the most popular 4-axle
road switcher in the line. More than one thousand examples were delivered
between 1965 and 1971, with later variations remaining in production until
1986. The GP40 was powered by an EMD 645E3 16-cylinder engine capable of
generating 3000 horsepower. With all later versions included, more than 4000
models would nd service on American, Canadian, and Mexican railroads hauling
both freight and passengers, and many remain in revenue use today.
Each locomotive is shipped with several additional parts to be installed at the user’s discretion. These include:
a) sun shades
b) power plug connector that allows for trailing car battery operation
or for two GP40s to be operated together
c) smoke uid
d) PCB05 adapter board with wires
LUBRICATION PROCEDURES
Just like the prototype, the key to optimum performance from your new
locomotive is regularly scheduled maintenance and lubrication. Your
locomotive’s gearbox will have been factory-lubricated and will not require
any additional lubrication before initial operation.
Over time, it is recommended that a drop of light gear oil be applied
periodically to each axle’s bearing where it enters the gearbox. This is best
done by moving the axle to one side, adding a drop of oil, then moving
the axle to the other side and adding another drop of oil. This should be repeated for each of the four axles at regular intervals
based on the amount of operation your locomotive sees, to ensure continued smooth running.
Note: We recommend that you use Bachmann’s line of E-Z Lube
®
products which include #99984 Light Gear Oil, #99983 Heavy Gear
Oil, #99982 Gear Grease, and #99981 Conductive Contact Lube. However, any plastic-compatible lubricants designed for model railroad
applications can be used.
Features:
• advanced non-proprietary plug-and-play circuit board to
accommodate the control system of your choice, including
conventional DC power, NMRA/NEM DCC, and/or RC
operation
• two 2-axle ball-bearing power trucks
• one motor per truck with low amperage draw
• all-wheel pickup and all-wheel drive
• operating diesel smoke unit
• white LED directional headlights, front and rear
• red LED directional marker lights front and rear
• lighted front number boards
• interior cab lighting and interior cab details
• lighted porch safety lights
• solid-metal railings and lift rings
• opening side windows
• engineer gure installed in the cab
• windshield wipers, see-through steps, and MU hose
detailing
• brass bell and horn
• operating AAR knuckle couplers
• extra weight for better performance
• factory-installed speaker with wire pigtail to allow easy
installation of optional aftermarket sound
• power cables on each end to allow for battery operation or
RC control from trailing car
• minimum 6.5-foot diameter curves required
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