Auto Chassis (853-1) is a Expert Builder LEGO set released in 1977 with 608 pieces. Browse the parts list, minifigures, and verify loose bricks with our free scanner. Collectors browsing Expert Builder sets use this inventory to verify loose parts, compare color variants, and read official build manuals without downloading PDFs. This set includes 87 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
1977 (49 years ago — may be retired)
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Catalog scale
608 parts listed · 87 inventory lines tracked
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Minifigures
No minifigs in inventory (brick-only or Technic set)
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Build manual
No digital manual in our catalog — check the box tab or LEGO.com
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Build complexity
Large set — expect sticker sheets or multiple subassemblies; inspect photos closely
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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.)
~1,089 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
Related sets in this theme
Market value
No estimate on BrickID yet
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Parts in this set
87 parts · page 1 of 2 · updating…
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Brick 1 x 13005 · ×18 · Yellow -
Brick 1 x 23004 · ×2 · Yellow -
Brick 1 x 23004 · ×9 · Red -
Brick 1 x 43010 · ×6 · Red -
Brick 1 x 43010 · ×4 · Black -
Brick 1 x 43010 · ×8 · Yellow -
Brick 1 x 43010 · ×6 · Blue -
Brick 1 x 63009 · ×4 · Black -
Brick 1 x 63009 · ×10 · Yellow -
Brick 1 x 83008 · ×5 · Red -
Brick 1 x 83008 · ×2 · Black -
Brick 2 x 2 without Inside Ridges3003a · ×4 · Red -
Brick 2 x 4 without Cross Supports3001a · ×2 · Yellow -
Brick Sloped 45° 2 x 1 without Bottom Pin3040a · ×10 · Yellow -
Brick Sloped 45° 2 x 1 without Bottom Pin3040a · ×5 · Red -
Brick Sloped 45° 2 x 23039 · ×2 · Red -
![Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]](https://cdn.rebrickable.com/media/parts/elements/366021.jpg)
Brick Sloped Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes]3660 · ×11 · Red -
![Hinge Plate 2 x 5 with Large Hole [Complete Assembly]](https://cdn.rebrickable.com/media/parts/ldraw/14/3149ec01.png)
Hinge Plate 2 x 5 with Large Hole [Complete Assembly]3149bc01 · ×4 · Yellow -
Plate 1 x 13024 · ×6 · Yellow -
Plate 1 x 13024 · ×2 · Blue -
Plate 1 x 23023 · ×25 · Blue -
Plate 1 x 23023 · ×17 · Yellow -
Plate 1 x 23023 · ×7 · Red -
Plate 1 x 23023 · ×8 · Light Gray -
Plate 1 x 43710 · ×7 · Blue -
Plate 1 x 43710 · ×5 · Yellow -
Plate 1 x 43710 · ×23 · Red -
Plate 1 x 43710 · ×8 · Light Gray -
Plate 1 x 63666 · ×8 · Red -
Plate 1 x 63666 · ×2 · Yellow -
Plate 1 x 63666 · ×15 · Blue -
Plate 1 x 83460 · ×11 · Red -
Plate 1 x 83460 · ×8 · Light Gray -
Plate 1 x 83460 · ×8 · Blue -
Plate 1 x 83460 · ×2 · Yellow -
Plate 2 x 23022 · ×2 · Blue -
Plate 2 x 23022 · ×9 · Red -
Plate 2 x 23022 · ×24 · Light Gray -
Plate 2 x 33021 · ×3 · Red -
Plate 2 x 33021 · ×10 · Yellow -
Plate 2 x 33021 · ×2 · Blue -
Plate 2 x 43020 · ×3 · Red -
Plate 2 x 43020 · ×2 · Yellow -
Plate 2 x 43020 · ×2 · Blue -
Plate 2 x 83034 · ×2 · Red -
Plate 4 x 103030 · ×2 · Red -
Plate 4 x 43031 · ×1 · Red -
Plate 4 x 43031 · ×2 · Yellow