Haul it all!
Build the Heavy Loader!

Relive the 2006 construction excitement with this 348-piece LEGO City set, complete with a trusty minifigure to get the job done!

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🏛 Construction
Set #7900

Heavy Loader

The Heavy Loader is a classic construction vehicle set.

🏆 Best For: Younger LEGO fans and those who enjoy simple, functional builds ⏱ 2.0 hr build 🧩 348 pcs
★★★☆☆ 3.8

Fans appreciate the Heavy Loader for its simple, sturdy design and playability, but some find it lacks the detail and complexity of more modern sets. The working loading mechanism is a highlight, but the overall aesthetic is considered somewhat dated.

📝 Our Take

The Heavy Loader is a classic construction vehicle set. Released in 2006, it represents a simpler era of LEGO design, focusing on robust functionality and playability over extreme detail. The model features a working loading mechanism and a straightforward, satisfying build.

This set is perfect for younger builders and LEGO enthusiasts who appreciate functional models. With a manageable piece count and clear instructions, it provides an enjoyable building experience without being overly complex. Its durable construction makes it ideal for play.

Skip this if you're looking for advanced building techniques or a highly detailed display piece. Collectors seeking intricate designs or licensed themes might prefer something like a Technic vehicle or a Creator Expert set.

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How does the Heavy Loader compare to modern LEGO construction sets? What are some modifications or improvements that can be made to the loading mechanism? Is the Heavy Loader a good entry point for collecting LEGO construction vehicles? How does the price of the Heavy Loader compare to its original MSRP?

🧱 Building Experience

🧩
348
Pieces
2.0h
Build Time
📊
Beginner
Difficulty
Build Highlights:
  • Easy-to-follow instructions suitable for beginners
  • Working loading mechanism adds play value
  • Sturdy construction ensures durability
  • Classic construction vehicle design

📈 Investment Analysis

→ Price stable
C+
Investment Grade
⏳ Active
The Heavy Loader, while not the most sought-after set, has seen a steady increase in value since its retirement. Its relatively low piece count and simple design mean it's not a high-end investment, but its age and status as a classic construction vehicle contribute to its appeal. The stable price trend suggests a slow but steady appreciation, making it a reasonable, low-risk investment for those interested in the Construction theme.

Not Financial Advice: Content is for educational purposes only. Past performance doesn't guarantee future results. Full disclaimer

Compare Similar Sets

Compared to modern Technic sets, the Heavy Loader is simpler in design and functionality. While it lacks the advanced features of newer sets, its robust construction and classic design make it a good choice for younger builders or those who prefer a more straightforward building experience. Sets like the LEGO City construction vehicles offer a similar play experience with updated designs.

1 Minifigures Included

The set includes a single Construction Worker minifigure with blue overalls, a red hard hat, and silver sunglasses. This is a fairly standard minifigure for the Construction theme, but it adds to the playability of the set.

📦 Full Parts Inventory - 90 unique parts • 330 total pieces

Tile Special 1 x 2 Grille with Bottom Groove Tile Special 1 x ...
Part #: 2412b Dark Bluish Gray
Tile 1 x 4 with Groove Tile 1 x 4 with G...
Part #: 2431 Yellow
Tile Special 1 x 2 with Handle Tile Special 1 x ...
Part #: 2432 Yellow
Bracket 1 x 2 - 1 x 4 [Square Corners] Bracket 1 x 2 - 1...
Part #: 2436 Black
Plate 2 x 12 Plate 2 x 12
Part #: 2445 Black
Brick 2 x 6 Brick 2 x 6
Part #: 2456 Yellow
Tile Special 1 x 1 with Clip and Straight Tips Tile Special 1 x ...
Part #: 2555 Light Bluish Gray
Technic Brick 1 x 10 [9 Pin Holes] Technic Brick 1 x...
Part #: 2730 Yellow
Technic Pin with Friction Ridges Lengthwise and Center Slots Technic Pin with ...
Part #: 2780 32× Black
Lever Small Base with Black Lever Lever Small Base ...
Part #: 298c02 Yellow
Brick 2 x 2 Brick 2 x 2
Part #: 3003 Yellow
Brick 1 x 2 Brick 1 x 2
Part #: 3004 12× Yellow
Brick 1 x 8 Brick 1 x 8
Part #: 3008 Yellow
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Yellow
Brick 1 x 6 Brick 1 x 6
Part #: 3009 Black
Brick 1 x 4 Brick 1 x 4
Part #: 3010 Yellow
Equipment Binoculars Equipment Binoculars
Part #: 30162 Dark Bluish Gray
Plate 2 x 3 Plate 2 x 3
Part #: 3021 Black
Plate 2 x 2 Plate 2 x 2
Part #: 3022 Black
Plate 1 x 2 Plate 1 x 2
Part #: 3023 Trans-Yellow
Brick Arch 2 x 14 x 2 1/3 Brick Arch 2 x 14...
Part #: 30296 Yellow
Plate 4 x 4 Plate 4 x 4
Part #: 3031 Yellow
Plate 4 x 6 Plate 4 x 6
Part #: 3032 Light Bluish Gray
Plate 2 x 8 Plate 2 x 8
Part #: 3034 Black
Plate 4 x 8 Plate 4 x 8
Part #: 3035 Dark Bluish Gray
Plate 4 x 8 Plate 4 x 8
Part #: 3035 Yellow
Tile Special 2 x 3 with 2 Clips [Angled Clips] Tile Special 2 x ...
Part #: 30350a Dark Bluish Gray
Bar 4L (Lightsaber Blade / Wand) Bar 4L (Lightsabe...
Part #: 30374 Light Bluish Gray
Arm Mechanical with 2 Clips [Battle Droid] Arm Mechanical wi...
Part #: 30377 Black
Tyre 30.4 x 14 Offset Tread Tyre 30.4 x 14 Of...
Part #: 30391 Black
Brick Special 1 x 4 with 4 Studs on One Side Brick Special 1 x...
Part #: 30414 Yellow
Turntable 4 x 4 Locking Grooved Base Turntable 4 x 4 L...
Part #: 30516 Light Bluish Gray
Brick Round 1 x 1 Open Stud Brick Round 1 x 1...
Part #: 3062b Red
Tyre 24 x 14 Shallow Tread (Tread Small Hub) Tyre 24 x 14 Shal...
Part #: 30648 Black
Turntable 4 x 4 Top, Locking Turntable 4 x 4 T...
Part #: 30658 Black
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b Blue
Tile 2 x 2 with Groove Tile 2 x 2 with G...
Part #: 3068b White
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Trans-Orange
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Yellow
Tile 1 x 2 with Groove Tile 1 x 2 with G...
Part #: 3069b Black
Tile 1 x 2 with Red 82, Yellow and White Gauges Print Tile 1 x 2 with R...
Part #: 3069bpr0101 Light Bluish Gray
Technic Brick 1 x 14 [13 Pin Holes] Technic Brick 1 x...
Part #: 32018 Dark Bluish Gray
Technic Pin Long with Friction Ridges Lengthwise and Stop Bush [3 Lateral Holes, Big Pin Hole] Technic Pin Long ...
Part #: 32054 Black
Technic Axle 2 Notched Technic Axle 2 No...
Part #: 32062 Black
Technic Beam 1 x 9 Bent (7 - 3) Thick Technic Beam 1 x ...
Part #: 32271 Yellow
Technic Brick 4 x 4 with 2 x 2 Opening Technic Brick 4 x...
Part #: 32324 Light Bluish Gray
Technic Beam 1 x 7 Bent (4 - 4) Thick Technic Beam 1 x ...
Part #: 32348 Dark Bluish Gray
Technic Beam 1 x 11 Thick Technic Beam 1 x ...
Part #: 32525 Black
Technic Brick 6 x 8 with 4 x 6 Opening Technic Brick 6 x...
Part #: 32532 Yellow
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Yellow
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Black
Plate 1 x 8 Plate 1 x 8
Part #: 3460 Dark Bluish Gray
Plate 1 x 8 Plate 1 x 8
Part #: 3460 White
Brick 1 x 3 Brick 1 x 3
Part #: 3622 Yellow
Slope Inverted 45° 2 x 2 [Ovoid Bottom Pin, Bar-sized Stud Holes] Slope Inverted 45...
Part #: 3660 Yellow
Slope Inverted 45° 2 x 1 Slope Inverted 45...
Part #: 3665 Yellow
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Yellow
Plate 1 x 6 Plate 1 x 6
Part #: 3666 Light Bluish Gray
Technic Pin without Friction Ridges Lengthwise Technic Pin witho...
Part #: 3673 Light Bluish Gray
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Black
Technic Brick 1 x 2 [1 Pin Hole] Technic Brick 1 x...
Part #: 3700 Light Bluish Gray
Technic Brick 1 x 4 [3 Pin Holes] Technic Brick 1 x...
Part #: 3701 Light Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Light Bluish Gray
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Yellow
Plate 1 x 4 Plate 1 x 4
Part #: 3710 Black
Technic Plate 2 x 8 [7 Holes] Technic Plate 2 x...
Part #: 3738 Yellow
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a Blue
Plate Special 1 x 2 with 1 Stud without Groove (Jumper) Plate Special 1 x...
Part #: 3794a Light Bluish Gray
Windscreen 2 x 4 x 2 Windscreen 2 x 4 x 2
Part #: 3823 Trans-Brown
Steering Stand 1 x 2 with Black Steering Wheel Steering Stand 1 ...
Part #: 3829c01 Blue
Plate Special 1 x 2 with Handles [Flat Ends / Low Attachment] Plate Special 1 x...
Part #: 3839b Black
Technic Brick 1 x 6 [5 Pin Holes] Technic Brick 1 x...
Part #: 3894 Yellow
Support 1 x 1 x 5 1/3 Spiral Staircase Axle Support 1 x 1 x 5...
Part #: 40244 Dark Bluish Gray
Seat / Chair 2 x 2 Seat / Chair 2 x 2
Part #: 4079 Blue
Plate Special 1 x 1 with Clip Vertical [Thick U Clip] Plate Special 1 x...
Part #: 4085c Yellow
Plate Special 8 x 8 with Grille [Hole in Center] Plate Special 8 x...
Part #: 4151b Dark Bluish Gray
Tile 1 x 8 with Groove Tile 1 x 8 with G...
Part #: 4162 Yellow
Panel 1 x 4 x 3 [Hollow Studs] Panel 1 x 4 x 3 [...
Part #: 4215b Black
Technic Pin 1/2 Technic Pin 1/2
Part #: 4274 10× Blue
Plate 2 x 16 Plate 2 x 16
Part #: 4282 Dark Bluish Gray
Technic Axle Pin with Friction Ridges Lengthwise Technic Axle Pin ...
Part #: 43093 12× Blue
Box 2 x 2 x 2 [Hollow Studs] Box 2 x 2 x 2 [Ho...
Part #: 4345b Black
Box 2 x 2 x 2 Door with Slot Box 2 x 2 x 2 Doo...
Part #: 4346 Light Bluish Gray
Slope 45° 2 x 8 Slope 45° 2 x 8
Part #: 4445 Yellow
Bracket 1 x 2 - 2 x 2 Bracket 1 x 2 - 2...
Part #: 44728 Dark Bluish Gray
Technic Axle 3 Technic Axle 3
Part #: 4519 Light Bluish Gray
Slope Curved 4 x 4 x 2/3 Triple Curved with 2 Studs Slope Curved 4 x ...
Part #: 45677 Yellow
Tap 1 x 1 with Hole in Spout Tap 1 x 1 with Ho...
Part #: 4599a Red
Plate Special 1 x 2 with Bar Up [Horizontal Arm 6mm] Plate Special 1 x...
Part #: 4623 Light Bluish Gray
Tile 8 x 16 with Bottom Tubes on Edges Tile 8 x 16 with ...
Part #: 48288 Dark Bluish Gray
Plate Special 1 x 2 [Side Handle Closed Ends] Plate Special 1 x...
Part #: 48336 Black
Slope Inverted 45° 4 x 4 Double with 4 x 2 Recessed Slope Inverted 45...
Part #: 4854 Yellow
Panel 1 x 2 x 2 [Hollow Studs] Panel 1 x 2 x 2 [...
Part #: 4864b Trans-Brown
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Trans-Yellow
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 Yellow
Slope 30° 1 x 1 x 2/3 (Cheese Slope) Slope 30° 1 x 1 x...
Part #: 54200 12× Trans-Orange
Support 31 x 13 Girder, Trapezoid Support 31 x 13 G...
Part #: 55767 Light Bluish Gray
Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes Wheel 18 x 14 wit...
Part #: 55981 12× Light Bluish Gray
Sticker Sheet for Set 7900-1 Sticker Sheet for...
Part #: 56605 [No Color/Any Color]
Plate Special 1 x 1 with Clip Horizontal [Thick U Clip] Plate Special 1 x...
Part #: 6019 Light Bluish Gray
Brick Curved 1 x 2 x 1 1/3 with Curved Top Brick Curved 1 x ...
Part #: 6091 Black
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Red
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Yellow
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Orange
Plate Round 1 x 1 with Solid Stud Plate Round 1 x 1...
Part #: 6141 Trans-Clear
Brick Special 2 x 2 with Pin and Axle Hole Brick Special 2 x...
Part #: 6232 Dark Bluish Gray
Brick Special 2 x 4 with Pins Brick Special 2 x...
Part #: 6249 Light Bluish Gray
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Yellow
Tile 1 x 6 with Groove Tile 1 x 6 with G...
Part #: 6636 Black
The set features a good selection of Technic pins and beams, useful for creating functional mechanisms. The yellow and black color scheme is typical for construction vehicles, and the included wheels are suitable for a variety of vehicle MOCs.

🛒 Where to Buy

💎 Notable Parts

Black Technic Pin with Friction Ridges Lengthwise and Center Slots (32x) $1.60
Yellow Brick 1 x 2 (12x) $0.60
Light Bluish Gray Wheel 18 x 14 with Pin Hole, Fake Bolts and Shallow Spokes (12x) $2.40
Black Tyre 30.4 x 14 Offset Tread (6x) $3.00
Est. BrickLink Part Value
$7.60

💡 MOC Potential

🚗 Modify into a larger construction vehicle, like a dump truck
🏙 Expand into a construction site diorama
🤖 Rebuild into a small construction robot

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Charts Inventory Statistics

90
Unique Parts
337
Total Pieces
1
Minifigures
Inventory Version: 2