How many pieces are in the Caterpillar Hub and Tread (Set of 2 treads 4 Hubs)?

Caterpillar Hub and Tread (Set of 2 treads 4 Hubs) contains 6 pieces.

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Set #970040

Caterpillar Hub and Tread (Set of 2 treads 4 Hubs)

Q: When was the Caterpillar Hub and Tread (Set of 2 treads 4 Hubs) released?

Caterpillar Hub and Tread (Set of 2 treads 4 Hubs) was released in 2002.

The Caterpillar Hub and Tread set is a fundamental component pack for LEGO Technic builders.

Before you buy

Who it's for: Beginner build Technic builders and MOC creators looking to add tracked functionality to their models
Build: 6 pieces · about 0.3 hours Build time is an estimate.
Availability: Likely retired

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

A basic but essential parts pack for Technic builders focused on creating tracked vehicles. While not a standalone set, it provides valuable components for MOCs and enhancing existing models.

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📝 Our Take

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

The Caterpillar Hub and Tread set is a fundamental component pack for LEGO Technic builders. Providing the means to create tracked vehicles and machinery, this set offers essential parts for adding mobility and functionality to MOCs.

This set is perfect for Technic enthusiasts and builders looking to expand their parts collection. The treads and hubs are ideal for creating custom vehicles and adding realistic movement to models.

Skip this if you're looking for a complete building experience or a display model. This set is purely a parts pack and requires other elements to create a finished build.

✨ New

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Try asking:

What types of vehicles can I build using these treads and hubs? Are these treads compatible with modern LEGO Technic axles and connectors? How does this set compare to other Technic track elements in terms of durability and performance? What is the best way to integrate these treads into a larger Technic model?

🧱 Building Experience

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

🧩

Pieces

⏱

0.25h

Estimated Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple addition to existing Technic builds
Adds realistic movement to models
Enhances playability of Technic creations
Essential for creating tracked vehicles

📈 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

C+

Investment Grade

⏳ Retired

As a parts pack, the Caterpillar Hub and Tread set's investment potential is tied to the demand for Technic elements and the rarity of these specific components. Given its age and retirement status, the set may see some appreciation, especially if the individual parts become harder to find. However, its low piece count and lack of a complete model experience limit its appeal to a broader collector base. The value is primarily driven by its utility for MOC builders and Technic enthusiasts needing these specific treads and hubs.

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

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Compared to complete Technic vehicle sets, this parts pack offers focused functionality for tracked movement. While lacking the full building experience of sets like the LEGO Technic Crawler Crane (42042-1) or the LEGO Technic Extreme Adventure (42069-1), it provides essential components for custom creations and modifications. If you are looking for a complete model, those sets are better options, but if you need specific track elements, this pack is ideal.

📦 Parts Inventory

Piece count: 6
Parts cataloged in this inventory: 2 unique parts, 6 pieces

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

Technic Tread Hub

Part #: 32007 4× White

Tread Large, Tech...

Part #: 71372 2× Black

This set provides a small but crucial selection of Technic tread components, essential for creating tracked vehicles and machinery. The black treads and white hubs offer a practical combination for adding mobility to custom models.

🛒 Where to Buy

eBay

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💎 Notable Parts

White Technic Tread Hub (4x) $1.20

Black Tread Large, Technic [34 Links] (2x) $2.00

Est. BrickLink Part Value

$3.20

💡 MOC Potential

🚗 Create tracked vehicles like tanks, bulldozers, and rovers

🤖 Build walking robots or robotic arms with tracked movement

🌳 Construct all-terrain vehicles for exploring challenging landscapes

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Inventory Statistics

Unique Parts

Piece Count

Cataloged Inventory Pieces

Minifigures

Inventory Version: 1

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