How many pieces are in the Replacement 4.5V Motor?

Replacement 4.5V Motor contains 1 pieces.

When was the Replacement 4.5V Motor released?

Replacement 4.5V Motor was released in 1977.

🏛 Service Packs

Set #1101

Replacement 4.5V Motor

The Replacement 4.

Before you buy

Who it's for: Beginner build Collectors restoring vintage LEGO trains and motorized sets.
Build: 1 pieces · about 0.1 hours Build time is an estimate.
Price: $5.65 list price · $5.65 per piece
Availability: Likely retired

★★★☆☆ 3.8 AI-generated review score, not a customer rating

A niche item for vintage LEGO collectors, the 4.5V motor is praised for enabling restoration projects but criticized for its limited functionality in the modern LEGO ecosystem. Its value is purely for historical or restoration purposes.

$5.65

Check price on eBay

📝 Our Take

AI-assisted editorial summary, grounded in our LEGO database and public community discussions. How we use AI

The Replacement 4.5V Motor is a crucial piece of LEGO history. As a standalone service pack released in 1977, it highlights the early days of LEGO electrification, enabling movement and bringing LEGO creations to life in a new way.

This set is perfect for vintage LEGO enthusiasts and collectors. Owning this piece allows for the restoration of classic LEGO trains and other motorized sets from the 70s and 80s, adding a functional element to a collection.

Skip this if you're looking for a complete building experience or modern Power Functions. This is a single motor intended as a replacement part, not a full set, and is incompatible with modern LEGO systems.

✨ New

Ask BlockTalk about this set

AI assistant with full set data

BlockTalk

Hi! I'm BlockTalk, your LEGO expert. Ask me anything about the Replacement 4.5V Motor - building tips, investment potential, comparisons, or anything else!

Try asking:

How does this motor compare to modern LEGO Power Functions? What types of LEGO sets used this 4.5V motor? How can I test if a vintage 4.5V motor is still functional? Where can I find compatible LEGO train tracks and accessories?

🧱 Building Experience

AI-assisted build estimate, grounded in our LEGO database and public community discussions. How we use AI

🧩

Pieces

⏱

0.1h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple installation
Restores functionality to vintage LEGO models
Connects to early LEGO electrical systems
A piece of LEGO history

📈 Investment Analysis

AI-assisted investment analysis, grounded in our LEGO database and public community discussions. How we use AI

Not enough price history for a trend

Investment Grade

⏳ Retired

As a vintage LEGO service pack, the Replacement 4.5V Motor holds some investment potential, particularly for collectors focused on LEGO trains and early motorized sets. Its value is tied to the demand for restoring and maintaining these older models. The limited availability due to its age increases its collectibility. However, its single-piece nature and specialized function limit its overall investment appeal compared to complete sets. Condition is critical for value.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

⚖ Compare Similar Sets

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$20.00

4.5V Motor with Cables

Supplementary • 3 pcs

$10.00

This set is not comparable to modern LEGO sets due to its age and function as a replacement part. Collectors interested in motorized LEGO creations should also consider modern LEGO Power Functions or Powered Up systems for current sets. However, this motor is essential for restoring specific vintage LEGO models to their original functionality, which cannot be achieved with modern components.

📦 Parts Inventory

Official piece count: 1
Parts cataloged in this inventory: 1 unique parts, 1 pieces

Missing a piece? Check this set piece by piece, with look-alike colors flagged and element IDs for replacements.

🧱 Motor Element, Tr...

Part #: upn0261 1× Black

This set contains only one part, the 4.5V motor. Its value lies in its ability to restore functionality to vintage LEGO trains and motorized models.

🛒 Where to Buy

eBay

Search listings

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💎 Notable Parts

Black Motor Element, Train, 4.5V Replacement (1x) $20.00

Est. BrickLink Part Value

$20.00

💡 MOC Potential

🚗 Motorize vintage LEGO vehicles and train cars.

🤖 Create simple motorized robots or moving displays.

Community Insights

Real opinions from Reddit and YouTube

What Reddit Says

No Reddit discussions found for this set.

What YouTubers Say

Based on 3 videos

3.0 /5

Mixed

0% positive

BlockTalk AI

YouTube reviews of the Replacement 4.5V Motor (1101-1) are mixed, with channels like BrickTsar focusing on vintage versions and conversions. The general sentiment leans towards neutral, with some finding value in its historical context and functionality for older LEGO train systems.

LEGO Icons French Café ... facade? Official reveal & 1st impressions | $80 USD 1101 pcs 10362

JANGBRiCKS • 24.6K views Review

LEGO 4.5V Train 7720 Battery Train Set from 1980 Vintage Set! review

BrickTsar • 12.8K views Review

LEGO 5306c01 9v Train Track Contacts Disassembly and Repair

Nonsense Wars • 4.1K views Review

Community Sentiment

Based on 3 YouTube reviews

Not enough Reddit data

YouTube

3.0 /5

Mixed

0% positive

Positive

Mixed

Critical

BlockTalk AI Analysis

What the Community Says

3 YouTube reviews

BlockTalk AI Summary

BrickTsar showcases the 1980s LEGO 4.5V Train 7720 set and the 1972 version of the 103 Motor Set, providing vintage context. Alex Nunes explores the evolution of LEGO train motors, highlighting the 4.5V system within the broader history of LEGO trains.

Reddit Reviews

No Reddit reviews found

YouTube Reviews

3 videos

LEGO Icons French Café ... facade? Official reveal & 1st impressions | $80 USD 1101 pcs 10362

JANGBRiCKS

24.6K views Review

LEGO 4.5V Train 7720 Battery Train Set from 1980 Vintage Set! review

BrickTsar

12.8K views Review

LEGO 5306c01 9v Train Track Contacts Disassembly and Repair

Nonsense Wars

4.1K views Review

Community Content: These reviews are from Reddit and YouTube users sharing their personal experiences. Opinions may vary.

Inventory Statistics

Unique Parts

Official Piece Count

Cataloged Inventory Pieces

Minifigures

Inventory Version: 1

Missing a piece? Use the Missing Piece Checker.

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Replacement 4.5V Motor