Mabuchi # RS-555PH-3255. 12Vdc, 380mA (no-load). Operates over 8-18 Vdc range, though we tested it up to 28V. Load torque @ 380 g-cm, 37mm diameter x 62mm long. 3.17mm diameter keyed shaft. Solder lug 4.7mm push-on terminals. Equally ideal as as motor or an AC generator.
The product datasheet is available here to view