LEGO Diesel Locomotive 723-1
LEGO Diesel Locomotive (723-1) is worth about $420 on the secondary market today. It has 95 pieces, belongs to the Trains theme and was released in 1970. This set has retired — LEGO no longer produces it, so supply is fixed and prices are set entirely by the resale market.
- Set number
- 723-1
- Theme
- Trains
- Subtheme
- 12V
- Year
- 1970
- Pieces
- 95
- Minifigures
- 0
- Market value
- $420
- Retirement
- Retired
Diesel Locomotive value by year
From $214 in 2016 to $406 in 2026 so far: +90%. Its highest year was 2025, at $452.
| Year | Value | Change |
|---|---|---|
| 2026 (so far) | $406 | −10.0% |
| 2025 | $452 | +14.2% |
| 2024 | $395 | +14.6% |
| 2023 | $345 | −9.1% |
| 2022 | $379 | +1.1% |
| 2021 | $375 | +3.1% |
| 2020 | $364 | +21.0% |
| 2019 | $301 | −13.1% |
| 2018 | $346 | +4.0% |
| 2017 | $333 | +55.2% |
| 2016 | $214 | — |
Median of each year's market prices, sealed, in US dollars.
Frequently asked questions
How much is LEGO Diesel Locomotive (723-1) worth?
LEGO Diesel Locomotive is worth approximately $420 on the secondary market today, based on current listings and completed sales. BrickStats updates this value daily.
Is LEGO Diesel Locomotive retired?
Yes — Diesel Locomotive (723-1) has been retired by LEGO and is no longer in production. Retired sets have fixed supply, which is why their prices are driven purely by the resale market.
Why is LEGO Diesel Locomotive so expensive?
Diesel Locomotive was released in 1970 and has since retired. Once LEGO stops producing a set, the only supply is what is already in circulation, so sealed copies in good condition compete for a shrinking pool of stock. That scarcity, not the parts, is what moves the price.