Steam Cargo Train (7722-1) is a 4.5V LEGO set released in 1985 with 499 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing 4.5V sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 3 minifigures and 133 unique part types.
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Buying checklist
Quick context before you buy this set used or verify a marketplace listing.
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Release year
1985 (41 years ago — may be retired)
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Catalog scale
499 parts listed · 133 inventory lines tracked
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Minifigures
3 in this set's inventory — verify completeness when buying used
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Gray era
Pre-2004 set — may use old light/dark gray instead of bluish gray
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Shipping weight (est.)
~899 g for parts inventory (excludes box/minifig packaging)
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Before you buy used
Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing
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Market value
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Minifigures in Steam Cargo Train
Parts in this set
133 parts · page 1 of 3 · updating…
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Activity Card, Train Track Layout Template 1:13 Scale for 4.5V & 12V, 159mm x 134mm, with Lego logo196926 · ×1 · [No Color/Any Color] -
Bar 1 x 4 x 2 with Studs4083 · ×1 · Black -
Battery Box, Train Car with Black Base, Black Wheels and Magnets3443c01 · ×1 · Red -
Battery Cover, Train Car Roof 6 x 14699 · ×1 · Light Gray -
Bracket 8 x 2 x 1 1/34732 · ×1 · Blue -
Brick 1 x 13005 · ×6 · Black -
Brick 1 x 23004 · ×6 · Black -
Brick 1 x 23004 · ×4 · White -
Brick 1 x 23004 · ×3 · Blue -
Brick 1 x 23004 · ×6 · Yellow -
Brick 1 x 2 with Black Grill Print3004pr9981 · ×2 · Blue -
Brick 1 x 43010 · ×4 · Red -
Brick 1 x 43010 · ×2 · Yellow -
Brick 1 x 43010 · ×3 · Black -
Brick 1 x 63009 · ×4 · Red -
Brick 1 x 63009 · ×4 · Yellow -
Brick 1 x 63009 · ×3 · Black -
Brick 1 x 83008 · ×2 · Black -
Brick 2 x 23003 · ×2 · Black -
Brick 2 x 33002 · ×2 · Blue -
Brick 2 x 33002 · ×6 · Black -
Brick Round 1 x 1 Open Stud3062b · ×4 · Red -
Brick Round 1 x 1 Open Stud3062b · ×1 · Black -
Brick Round 2 x 2 with Axle Hole3941 · ×12 · Yellow -
Brick Round 2 x 2 with Axle Hole3941 · ×12 · White -
Brick Sloped 33° 3 x 23298 · ×2 · Black -
Brick Sloped 33° 3 x 23298 · ×6 · Light Gray -
Brick Sloped 33° 6 x 6 Double (Train Roof)4509 · ×4 · Light Gray -
Brick Sloped 33° 6 x 6 Double (Train Roof)4509 · ×1 · Black -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×2 · Black -
Brick Sloped 45° 2 x 1 with Bottom Pin3040b · ×4 · Blue -
Brick Sloped 45° 2 x 23039 · ×3 · Blue -
Brick Sloped 45° 2 x 23039 · ×2 · Black -
Brick Sloped 45° 2 x 2 with 3 Gauges and 3 Knobs Print3039pr9970 · ×1 · Black -
Brick Sloped 45° 2 x 33038 · ×6 · Black -
Brick Sloped Inverted 45° 2 x 13665 · ×20 · Black -
Brick Sloped Inverted 45° 2 x 13665 · ×2 · Yellow -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366026.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×6 · Black -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366023.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×3 · Blue -
Brick Special 1 x 1 with Headlight4070 · ×4 · Blue -
Brick Special 1 x 1 with Headlight4070 · ×2 · Yellow -
Brick Special 1 x 1 with Headlight4070 · ×6 · Black -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/458924.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×1 · Yellow -
![Cone 1 x 1 [No Top Groove]](https://cdn.rebrickable.com/media/parts/elements/458921.jpg)
Cone 1 x 1 [No Top Groove]4589 · ×8 · Red -
![Dish 4 x 4 Inverted [Radar]](https://cdn.rebrickable.com/media/parts/elements/396026.jpg)
Dish 4 x 4 Inverted [Radar]3960 · ×1 · Black -
Door 1 x 4 x 5 Train Left4181 · ×1 · Black -
Door 1 x 4 x 5 Train Left with Red Bottom Half Print4181pr0002 · ×1 · Yellow -
Door 1 x 4 x 5 Train Right4182 · ×1 · Black