Train Track Motor with 4* Wheels+2* Axles+4* Rubber Rings Compatible With Legoeds 88002 Power Functions MOC Part Building Block|Home Automation Modules| - AliExpress
LEGO® Power Functions Servo Motor 88004 | Technic™ | Buy online at the Official LEGO® Shop US
MOD] Repairing an old 4,5v motor - adding a bit of Japan Tuning! - LEGO Train Tech - Eurobricks Forums
Lego(R) Electric, Motor 9V 5 x 4 x 2 1/3 – Atlanta Brick Co