Heavy Loader (7900-1) is a Construction LEGO set released in 2006 with 348 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Construction sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 1 minifigure and 109 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
2006 (20 years ago — may be retired)
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Catalog scale
348 parts listed · 109 inventory lines tracked
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Minifigures
1 in this set's inventory — verify completeness when buying used
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Build manual
Digital booklet available on this page — use it to verify bag contents
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Shipping weight (est.)
~686 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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Building instructions
Official LEGO instructions — read on BrickID
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Minifigures in Heavy Loader
Parts in this set
109 parts · page 1 of 3 · updating…
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![Arm Mechanical with 2 Clips [Battle Droid]](https://cdn.rebrickable.com/media/parts/elements/6330086.jpg)
Arm Mechanical with 2 Clips [Battle Droid]30377 · ×2 · Black -
Bar 4L (Lightsaber Blade / Wand)30374 · ×2 · Light Bluish Gray -
![Box 2 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4143247.jpg)
Box 2 x 2 x 2 [Hollow Studs]4345b · ×2 · Black -
Box 2 x 2 x 2 Door with Slot4346 · ×2 · Light Bluish Gray -
![Bracket 1 x 2 - 1 x 4 [Square Corners]](https://cdn.rebrickable.com/media/parts/elements/243626.jpg)
Bracket 1 x 2 - 1 x 4 [Square Corners]2436 · ×1 · Black -
Bracket 1 x 2 - 2 x 244728 · ×2 · Dark Bluish Gray -
Brick 1 x 23004 · ×12 · Yellow -
Brick 1 x 33622 · ×2 · Yellow -
Brick 1 x 43010 · ×4 · Yellow -
Brick 1 x 63009 · ×2 · Black -
Brick 1 x 63009 · ×3 · Yellow -
Brick 1 x 83008 · ×2 · Yellow -
Brick 2 x 23003 · ×2 · Yellow -
Brick 2 x 62456 · ×2 · Yellow -
Brick Arch 2 x 14 x 2 1/330296 · ×2 · Yellow -
Brick Curved 1 x 2 x 1 1/3 with Curved Top6091 · ×2 · Black -
Brick Round 1 x 1 Open Stud3062b · ×1 · Red -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×12 · Trans-Orange -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×4 · Yellow -
Brick Sloped 30° 1 x 1 x 2/3 (Cheese Slope)54200 · ×2 · Trans-Yellow -
Brick Sloped 45° 2 x 84445 · ×1 · Yellow -
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/366024.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×4 · Yellow -
Brick Sloped Inverted 45° 4 x 4 Double with 4 x 2 Recessed4854 · ×2 · Yellow -
Brick Special 1 x 4 with 4 Studs on One Side30414 · ×2 · Yellow -
Brick Special 2 x 2 with Pin and Axle Hole6232 · ×1 · Dark Bluish Gray -
Brick Special 2 x 4 with Pins6249 · ×3 · Light Bluish Gray -
Brick Wedged, Curved Triple 4 x 4 x 2/3 with 2 Studs45677 · ×2 · Yellow -
Equipment Binoculars30162 · ×1 · Dark Bluish Gray -
Lever Small Base with Black Lever298c02 · ×3 · Yellow -
![Panel 1 x 2 x 2 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4189803.jpg)
Panel 1 x 2 x 2 [Hollow Studs]4864b · ×2 · Trans-Brown -
![Panel 1 x 4 x 3 [Hollow Studs]](https://cdn.rebrickable.com/media/parts/elements/4105207.jpg)
Panel 1 x 4 x 3 [Hollow Studs]4215b · ×1 · Black -
Plate 1 x 23023 · ×8 · Trans-Yellow -
Plate 1 x 43710 · ×1 · Yellow -
Plate 1 x 43710 · ×1 · Light Bluish Gray -
Plate 1 x 43710 · ×1 · Black -
Plate 1 x 63666 · ×1 · Light Bluish Gray -
Plate 1 x 63666 · ×1 · Yellow -
Plate 1 x 83460 · ×1 · Black -
Plate 1 x 83460 · ×2 · Dark Bluish Gray -
Plate 1 x 83460 · ×1 · Yellow -
Plate 1 x 83460 · ×1 · White -
Plate 2 x 122445 · ×2 · Black -
Plate 2 x 164282 · ×2 · Dark Bluish Gray -
Plate 2 x 23022 · ×2 · Black -
Plate 2 x 33021 · ×2 · Black -
Plate 2 x 83034 · ×7 · Black -
Plate 4 x 43031 · ×1 · Yellow