Lego Technic 4.5v Motor Set 870 (1977) and Gear Block Set 872 (1978) - YouTube
For parts Lego vintage 4.5V Battery box, motor with wheels and Light brick | eBay
LEGO Set 100-2 4.5V Motor with Wheels (Large Version) (1966 Train > 4.5V) | Rebrickable - Build with LEGO
LEGO Technic Ref.8700 - 4.5V Expert Builder Power Pack
LEGO Sets with Part 6216m Electric Technic Motor 4.5V
Electric, Motor 4.5V Type C 12 x 4 x 3 1/3 (Train) : Part x469b | BrickLink
LEGO 870 Technical Motor, 4.5V | Brickset
LEGO 4.5V Motor Set with Rubber Tracks 103-1 | Brick Owl - LEGO Marketplace
Replacement motors for 4.5V/12V chassis (Bühler) - LEGO Train Tech - Eurobricks Forums
I upgraded my 7810 (40370) with a 4.5v motor and headlight : r/lego
Vintage Lego 4.5v 4v Train Motor Black Tested Works | eBay
LEGO 102 4.5V Motor Set | Brickset
Replacement 4.5V Motor : Set 104-1 | BrickLink
LEGO 107-1 4.5v Motor Set Set Parts Inventory and Instructions - LEGO Reference Guide
LEGO part 3691 - Light Gray Electric, Motor 4.5V Housing 4 x 4 x 3 at BrickScout
LEGO Trains Supplemental / 4.5V | Brickset
Electric, Motor 4.5V 17 x 6 x 5 with Switch : Part 3142c01 | BrickLink
100 4.5V Motor with Wheels (Small Version) LEGO Set, Deals & Reviews
Electric, Motor 4.5V Type A 12 x 4 x 4 (Train) : Part bb0007c01 | BrickLink
LEGO Trains 4.5V | Brickset
LEGO 5000 Replacement Motor 4.5 V | BrickEconomy
LEGO® Motor History
LEGO 107-1 4.5v Motor Set Set Parts Inventory and Instructions - LEGO Reference Guide
Lego Set: 4.5V Motor with Wheels (Large Version) (Trains(Supplemental / 4.5V) Leg:100-2
Electric, Motor 4.5V Type A 12 x 4 x 4 (Train) with White '4,5 V.' Pattern : Part bb0007c01pb02 | BrickLink
lego system 103
