That is a tuned motor for use with Star-Unit Series releases, and certainly will employ Item 55105 or Tamiya R6/AA/UM3 batteries as an electrical source. See below for appropriate pinion gears.
Compatible Chassis
SW-01*1 & T3-01*2 Chassis
*1Compatible pinion gear: product 54228 (26T simply). Use with products 54834, 54857 and 54876.
*2Compatible pinion gears: products 50354 (16T just) and 50355 (18T just). Utilize with Items 54900 and 54928.
*The formal Tamiya R/C Parts Matching List has a good amount of details about framework appropriate for Tamiya free and Hop-Up choice elements.