4.5V Reversible Power Unit

Name: 4.5V Reversible Power Unit
Brand: LEGO
SKU: 107-3

Reference: #107-3 · released in 1971

Themes: System › Samsonite

The LEGO 4.5V Reversible Power Unit set came out in 1971 in the System theme. This construction set holds 24 parts. It features a precision geared motor and a battery case with a forward and reverse switch.

This set from LEGO includes a total of 24 parts distributed across 9 distinct unique parts.

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Total parts

Unique parts

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Set parts (9)

24 parts in the box

Tyre Smooth Old Style - Small

Black

Tyre for Train Wheel for Electric Train Motor 12V

Light Gray

Battery Box, 4.5V 7 x 11 x 3 Type 1 [Complete Assembly]

Blue

Electric Connector, 1 Way Male Rounded with Hollow Pin (Banana Plug)

Blue

Plate Special 6 x 16 with Motor Opening Wide

Light Gray

Wheel Old with 4 Studs and Axle Cam for Motor

Red

Wire 12V / 4.5V with Two Leads [Undetermined Length]

White

Motor, Train, 4.5V 12 x 4 x 4 Type I with '4.5V' Print

Blue

Train Wheel with 2 x 2 Stud Center, Beveled Tread and Cam Axle for Motor

Red

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