I upgraded my 7810 (40370) with a 4.5v motor and headlight : r/lego
Lego Vintage 4.5V Train Set Number 7835, Manual Road Crossing, Produced in 1985 | eBay
Vintage LEGO 4.5V Train 7722 Battery Train Set from 1985 Steam Cargo - YouTube
Lego 7852 4.5 Volt Train Points
Vintage LEGO Train BUHLER Black 4.5v 4v Locomotive 9V Motor LEGO Group lot | eBay
870-1 Technical Motor, 4.5V Reviews - Brick Insights
North America – At least we had 4.5 Volt (1982) | Brick Model Railroader
LEGO trains 4 .5V - assorted - very large mixed lot of - Catawiki
Train Sets - LEGO 7720 Diesel Freight Train Set 4.5v Battery Vintage 1980
LEGO MOC 1:48 USATC S100 / Southern Railway USA Class (4.5v) by NonsenseWars | Rebrickable - Build with LEGO
Lighting Bricks, 4.5V : Set 816-1 | BrickLink
LEGO 7852 Train 4.5V Left and Right Points NEW Factory Sealed - 1988 42884078522 | eBay
Replacement 4.5V Motor : Set 104-1 | BrickLink
LEGO 4.5V Train 7720 Battery Train Set from 1980 Vintage Set! review - YouTube
LEGO® Motor History
LEGO Lighting Bricks, 4.5V Set 816 | Brick Owl - LEGO Marketplace
870 Technical Motor, 4.5V | Brickipedia | Fandom
Sets that have x468: Electric 4.5V Battery Box 6 x 11 x 3 & 1/3
4.5V Train - GP40 : r/lego
LEGO 7720 4.5v Battery Operated Diesel Train Complete with Box and Instructions | eBay
