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12V Locomotive

12V Locomotive

727-1·Trains·1977·29 parts

Used Avg
$80.26
New Avg
$487.73
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About 12V Locomotive

12V Locomotive (727-1) is a LEGO Trains set from 1977 valued at $80.26 on BrickLink. It contains 29 cataloged parts. This set has been retired and is only available on the secondary market.

Seller notes

  • Sealed copies sell for $487.73 vs $80.26 used — a 508% premium. If you have this set new in sealed box (NISB), price it accordingly.
  • This is a vintage set (1977). Condition of the box and instructions significantly affects value. A complete set with original box and instructions can sell for well above the average.

Parts (29)

Brick 1 x 2
Brick 1 x 2
×2
Brick 1 x 1
Brick 1 x 1
×8
Brick 1 x 1
Brick 1 x 1
×4
Brick 2 x 8
Brick 2 x 8
×2
Brick 1 x 8
Brick 1 x 8
×4
Brick 1 x 6
Brick 1 x 6
×8
Brick 1 x 6
Brick 1 x 6
×2
Brick 1 x 4
Brick 1 x 4
×2
Plate 2 x 4
Plate 2 x 4
×6
Plate 2 x 3
Plate 2 x 3
×4
Plate 2 x 3
Plate 2 x 3
×4
Plate 1 x 2
Plate 1 x 2
×4
Plate 1 x 2
Plate 1 x 2
×22
Plate 6 x 16
Plate 6 x 16
Slope 45 2 x 3
Slope 45 2 x 3
×4
Slope 33 3 x 2
Slope 33 3 x 2
×2
Plate 1 x 8
Plate 1 x 8
×4
Plate 1 x 8
Plate 1 x 8
×4
Engine, Smooth Small, 1 x 2 Side Plate without Axle Holders
Engine, Smooth Small, 1 x 2 Side Plate without Axle Holders
×2
Brick, Modified 1 x 1 x 2 with Shutter Holder
Brick, Modified 1 x 1 x 2 with Shutter Holder
×8
Shutter for Window 1 x 2 x 2
Shutter for Window 1 x 2 x 2
×8
Plate 1 x 4
Plate 1 x 4
×2
Sticker Sheet for Set 727 - (3811)
Sticker Sheet for Set 727 - (3811)
Brick 1 x 2 x 2 without Bottom Tube with Window Pattern
Brick 1 x 2 x 2 without Bottom Tube with Window Pattern
×4
Train Brick 2 x 4 x 1 1/3 Sliding Block with Wheels Holder, Type b with Ledge
Train Brick 2 x 4 x 1 1/3 Sliding Block with Wheels Holder, Type b with Ledge
×2
Electric, Train 12V Brick 2 x 4 with Power Pickups for Motor and Cross-cut Pins
Electric, Train 12V Brick 2 x 4 with Power Pickups for Motor and Cross-cut Pins
×2
Train Wheel Spoked for Motor with Black Train Rim for 4.5V & 12V Locomotive Wheels (wheel2a / trainrim)
Train Wheel Spoked for Motor with Black Train Rim for 4.5V & 12V Locomotive Wheels (wheel2a / trainrim)
×8
Electric, Motor 12V 12 x 4 x 3 1/3 with Three Side Holes (Train)
Electric, Motor 12V 12 x 4 x 3 1/3 with Three Side Holes (Train)
Train Base 6 x 22 Cutout with Top Slots and Magnets
Train Base 6 x 22 Cutout with Top Slots and Magnets

Common questions about 12V Locomotive

How much is LEGO 12V Locomotive (727-1) worth?

12V Locomotive sells for an average of $80.26 used and $487.73 new/sealed on BrickLink based on 6 months of completed sales. As a retired set, prices tend to hold steady or appreciate over time, especially for complete sets with original packaging. Actual prices vary with completeness — missing minifigures or key parts will lower the value.

Is LEGO 12V Locomotive (727-1) retired?

Yes, 12V Locomotive was released in 1977 and has been retired from retail for several years. Retired LEGO sets are only available on the secondary market through BrickLink, eBay, or other resale platforms.

How do I check if my 12V Locomotive set is complete?

Use the parts list on this page to check every piece. For the minifigures specifically, you can use the brick'em scanner to identify each figure from a photo and confirm it matches what should be in this set. Missing pieces can be individually sourced on BrickLink.

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