LEGO 870: Technical Motor, 4.5V | Brickset: LEGO set guide and database
Lego 4V Motor with Wheels & Battery Box, Wires | #130282423
Amazon.com: Creative Lego Brick Set 45020 Fine Motor Skill Developmental Toy for Girls and Boys Ages 4 and up (1,000 Pieces) : Toys & Games
![BrickLink - Part x550b : LEGO Electric, Motor 12V 12 x 4 x 3 1/3 with Three Side Holes (Train) [Electric, Motor] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/EXTN/20000.png "BrickLink - Part x550b : LEGO Electric, Motor 12V 12 x 4 x 3 1/3 with Three Side Holes (Train) [Electric, Motor] - BrickLink Reference Catalog")
BrickLink - Part x550b : LEGO Electric, Motor 12V 12 x 4 x 3 1/3 with Three Side Holes (Train) [Electric, Motor] - BrickLink Reference Catalog
Found an old 4-volt motor, any way I can hook up a battery and switch to it? : r/lego
LEGO Yellow 4.5 Volt Train Motor 12 x 4 x 3 1/3 with Three Holes on Each Side | Brick Owl - LEGO Marketplace
![MOD] Repairing an old 4,5v motor - adding a bit of Japan Tuning! - LEGO Train Tech - Eurobricks Forums](https://live.staticflickr.com/65535/49702008567_4e105c0b49_b.jpg "MOD] Repairing an old 4,5v motor - adding a bit of Japan Tuning! - LEGO Train Tech - Eurobricks Forums")
MOD] Repairing an old 4,5v motor - adding a bit of Japan Tuning! - LEGO Train Tech - Eurobricks Forums
LEGO® Powered UP Smart Toys | Official LEGO® Shop US
Vintage LEGO Buhler 4V Germany Motor - Works! - YouTube
RARE LEGO 4V Train Motor VINTAGE SAMSONITE SET Basic Building Universal Motor | Rare lego, Lego, Mini figures
LEGO Black Electric Train Motor Replacement 4.5V | Brick Owl - LEGO Marketplace
LEGO part x550a - Black Electric, Train Motor 12V 4 x 12 x 3 1/3 Type I Old at BrickScout
Amazon.com: MingCheng Upgrade Kit Motor Set Power Functions Motor, 11 Pcs Power Functions Motor Set for Lego Technic Power Kit, 4 L Motors, 1 Steering Motor, Battery Box and Remote Control :
![BrickLink - Part 6216m2 : LEGO Electric, Motor 4.5V Type 2 for 2-prong connectors with Middle Pin [Electric, Motor] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/6216m2.png "BrickLink - Part 6216m2 : LEGO Electric, Motor 4.5V Type 2 for 2-prong connectors with Middle Pin [Electric, Motor] - BrickLink Reference Catalog")
BrickLink - Part 6216m2 : LEGO Electric, Motor 4.5V Type 2 for 2-prong connectors with Middle Pin [Electric, Motor] - BrickLink Reference Catalog
Replacement motors for 4.5V/12V chassis (Bühler) - LEGO Train Tech - Eurobricks Forums
Lego yellow engine vintage yellow motor 4,5v ref x469b/set 744 404 912... | eBay
LEGO Black Power Functions Train Motor 4 x 10 x 2 1/3 (87574) | Brick Owl - LEGO Marketplace
![BrickLink - Part x482 : LEGO Electric, Motor Train 4.5V Replacement [Electric, Motor] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/x482.png "BrickLink - Part x482 : LEGO Electric, Motor Train 4.5V Replacement [Electric, Motor] - BrickLink Reference Catalog")
BrickLink - Part x482 : LEGO Electric, Motor Train 4.5V Replacement [Electric, Motor] - BrickLink Reference Catalog
Vintage LEGO HAUL- How to tell the difference between 4.5V and 12V train motors - WITB? EP4 - YouTube
Amazon.com: LEGO Technic COMPLETE GEARBOX ASSEMBLY 2 x 4 x 3 1/3 Trans-Clear Wormbox gear motor REDUCER block Mindstorms robotics ev3 NXT transparent robot building power functions part 6588
![BrickLink - Part 2838c01 : LEGO Electric, Motor 9V 5 x 4 x 2 1/3 [Electric, Motor] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PN/9/2838c01.png "BrickLink - Part 2838c01 : LEGO Electric, Motor 9V 5 x 4 x 2 1/3 [Electric, Motor] - BrickLink Reference Catalog")
BrickLink - Part 2838c01 : LEGO Electric, Motor 9V 5 x 4 x 2 1/3 [Electric, Motor] - BrickLink Reference Catalog
![Lego Electric Train Motor 4.5V, 4x12x3&1/3 Type II [x469b] Black x1 UNTESTED | eBay](https://i.ebayimg.com/images/g/eNwAAOSwX9FZNbVH/s-l500.jpg "Lego Electric Train Motor 4.5V, 4x12x3&1/3 Type II [x469b] Black x1 UNTESTED | eBay")
Lego Electric Train Motor 4.5V, 4x12x3&1/3 Type II [x469b] Black x1 UNTESTED | eBay
LEGO Yellow Electric, Motor 4.5V 12 x 4 x 3 1/3 with open contacts | Brick Owl - LEGO Marketplace
![BrickLink - Part x469b : LEGO Electric, Motor 4.5V Type C 12 x 4 x 3 1/3 (Train) [Electric, Motor] - BrickLink Reference Catalog](https://img.bricklink.com/ItemImage/PL/x469b.png "BrickLink - Part x469b : LEGO Electric, Motor 4.5V Type C 12 x 4 x 3 1/3 (Train) [Electric, Motor] - BrickLink Reference Catalog")