The Tamiya 9801112M Mabuchi FA-130 motor is the brushed DC motor included in many of the Tamiya gearboxes and educational toys.
Documentation and other information
Tamiya “Toy” Motor Testing by Adam Borrell (a.k.a nexisnet) (Printable PDF: tamiya_toy_testing.pdf)
Adam, who posts under the username nexisnet on the Pololu forums, has performed a detailed series of experiments to determine how operating voltage affects the lifetime of the Mabuchi FA-130 motor, which happens to be the motors used in the Tamiya 70168 Double Gearbox, 70167 Single Gearbox (4-Speed), 70097 Twin-Motor Gearbox, 70093 3-Speed Crank-Axle Gearbox, 70110 4-Speed Crank-Axle Gearbox, and 70103 Universal Gearbox.
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