LEGO Set

Overhead Gantry and Lighting Maintenance Wagon

7821-1

Released: 1983 · Parts: 90 · Theme: 4.5V

Overhead Gantry and Lighting Maintenance Wagon (7821-1) is a 4.5V LEGO set released in 1983 with 90 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 2 minifigures and 38 unique part types.

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Buying checklist

Quick context before you buy this set used or verify a marketplace listing.

Release year

1983 (43 years ago — may be retired)
Catalog scale

90 parts listed · 38 inventory lines tracked
Minifigures

2 in this set's inventory — verify completeness when buying used
Build manual

No digital manual in our catalog — check the box tab or LEGO.com
Gray era

Pre-2004 set — may use old light/dark gray instead of bluish gray
Shipping weight (est.)

~137 g for parts inventory (excludes box/minifig packaging)
Before you buy used

Run the completion checker, compare photos to the inventory, and check live listings for sealed pricing

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Related sets in this theme

Small Train Set

114-2 · 1966 · 4.5V

88 parts

Push Along Play Train

170-1 · 1972 · 4.5V

87 parts

Push-Along Steam Engine

7810-1 · 1980 · 4.5V

97 parts

Locomotive (Push)

133-1 · 1975 · 4.5V

82 parts

Tanker Wagon (Shell)

136-1 · 1975 · 4.5V

82 parts

Passenger Sleeping Car

137-2 · 1975 · 4.5V

82 parts

Passenger Coach

123-1 · 1969 · 4.5V

98 parts

Locomotive without Motor

117-1 · 1967 · 4.5V

99 parts

Market value

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