How many pieces are in the Diesel Locomotive?

Diesel Locomotive contains 96 pieces.

What age is the Diesel Locomotive recommended for?

This set is recommended for ages 18+.

When was the Diesel Locomotive released?

Diesel Locomotive was released in 1970.

🏛 12V

Set #723

Diesel Locomotive

The Diesel Locomotive 723-1 is a vintage LEGO classic.

🏆 Best For: Ideal for vintage LEGO collectors and train enthusiasts of all ages. ⏱ 1.5 hr build 🧩 96 pcs

★★★★☆ 4.6

Collectors highly value the Diesel Locomotive 723-1 for its historical significance and vintage charm. The main criticism is its high price on the secondary market due to its rarity.

MSRP

$8.50

Best Price

$7.65

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10% OFF

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📝 Our Take

The Diesel Locomotive 723-1 is a vintage LEGO classic. Released in 1970 as part of the 12V train system, it represents a pivotal era in LEGO train history, showcasing a simpler yet charming design that captures the essence of early LEGO ingenuity and electric train innovation.

This set is perfect for LEGO train enthusiasts and vintage collectors. The relatively small piece count makes it an accessible build, while its historical significance and rarity make it a prized display piece. Owning this set is like owning a piece of LEGO history.

Skip this if you're looking for modern building techniques or complex details. The design is basic compared to today's standards. Consider modern LEGO train sets like 60336-1 Freight Train for a more contemporary experience.

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🧱 Building Experience

🧩

Pieces

⏱

1.5h

Build Time

📊

Beginner

Difficulty

Build Highlights:

Simple, straightforward construction typical of early LEGO sets.
Classic red and black color scheme.
Integration with the 12V electric train system.
Vintage printed elements add to the set's charm.

📈 Investment Analysis

↑ Trending up since release

Investment Grade

⏳ Appreciating

The Diesel Locomotive 723-1 presents a compelling investment opportunity due to its age, rarity, and historical significance within the LEGO train theme. As a set from the 1970s, it's highly sought after by collectors. Its rising price trend indicates strong demand. However, condition is critical; complete sets in excellent condition command the highest prices. Investing in vintage sets carries inherent risks, including potential for damage or missing parts, but the long-term appreciation potential for well-preserved examples is significant.

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

⚖ Compare Similar Sets

Electric Passenger Train Set

12V • 372 pcs

$150.00

High-Speed City Express Passenger Train

Compared to modern LEGO train sets, the Diesel Locomotive 723-1 offers a simpler, more nostalgic building experience. While lacking the advanced features and details of contemporary sets like 60336-1 Freight Train, its historical significance and rarity make it a unique collector's item. Collectors interested in the evolution of LEGO trains may prefer this set for its vintage charm and investment potential.

📦 Full Parts Inventory - 21 unique parts • 96 total pieces

Part #: 3002a 4× Black

Brick 2 x 2 witho...

Part #: 3003a 1× Red

Brick 1 x 2

Part #: 3004 4× Black

Brick 1 x 2

Part #: 3004 4× Trans-Clear

Brick 1 x 1

Part #: 3005 8× Trans-Clear

Brick 1 x 1

Part #: 3005 12× Red

Brick 1 x 8 with ...

Part #: 3008pr0006 2× Red

Part #: 3023 16× Yellow

Plate 1 x 2

Part #: 3023 10× Red

Plate 2 x 8

Part #: 3034 5× Black

Slope 45° 2 x 2

Part #: 3039 1× Red

Plate Special 6 x...

Part #: 3058b 1× Black

Brick 2 x 4, 12V ...

Part #: 433c01 2× Black

Tyre for Train Wh...

Part #: 458 4× Black

Plate Special 2 x...

Part #: 737ac01 1× Red

Plate Special 2 x...

Part #: 737ac02 1× Red

Motor, Train, 12V...

Part #: upn0274c02 1× Black

Train Wheel Spoke...

Part #: upn0383a 4× Red

The set features a classic selection of red, black, and yellow bricks and plates, typical of early LEGO sets. The printed '723' bricks are particularly valuable, as are the 12V train motor components.

🛒 Where to Buy

eBay

✓ In Stock

$7.65 →

Walmart

✓ In Stock

$8.08

Target

✓ In Stock

$8.50

Amazon

Check price

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💎 Notable Parts

Red Brick 1 x 8 with Gold '723' Print (2x) $4.00

Black Brick 2 x 4, 12V with Power Pickups for Train Motor and Solid Pins (2x) $10.00

Red Train Wheel Spoked for Motor (4x) $8.00

Black Tyre for Train Wheel for Electric Train Motor 12V (4x) $6.00

Yellow Plate 1 x 2 (16x) $1.60

Est. BrickLink Part Value

$29.60

💡 MOC Potential

🚗 Expand the train with additional cars or wagons.

🏙 Create a vintage-themed train station to complement the locomotive.

🚗 Modify the design to create different types of diesel locomotives.

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Inventory Statistics

Unique Parts

Total Pieces

Minifigures

Inventory Version: 1

Vintage Power!
The 1970 Diesel Locomotive

Diesel Locomotive