Dumper
8451-1 Technic 2003 183 parts 0% repair risk Easy
Dumper (8451-1) is a LEGO Technic from 2003. The set contains 183 parts across 12 part and colour combinations in 4 colours — the full inventory below shows exactly which pieces you need to build or complete it.
Parts Inventory
| Part | Qty | LEGO price each |
|---|---|---|
![]() Plate Round 2 x 2 with Rounded Bottom [Boat Stud] 2654 | 1× | €0,07 |
![]() Technic Pin with Friction Ridges Lengthwise and Center Slots 2780 | 12× | Check price → View |
![]() Technic Beam Triangle Thin [Type I] 2905 | 2× | Check price → View |
![]() Technic Pin 3/4 32002 | 6× | Check price → View |
![]() Technic Beam 1 x 11.5 Double Bent Thick 32009 | 2× | €0,39 |
![]() Technic Axle and Pin Connector Angled #2 - 180° 32034 | 2× | €0,11 |
![]() Technic Beam 3 x 3 L-Shape Thin 32056 | 2× | €0,31 |
![]() Technic Axle 2 Notched 32062 | 7× | €0,07 |
![]() Technic Axle 5 32073 | 9× | Check price → View |
![]() Technic Pin Double with Axle Hole 32138 | 1× | Check price → View |
![]() Technic Beam 2 x 4 L-Shape Thick 32140 | 1× | €0,15 |
![]() Technic Beam 2 x 4 L-Shape Thick 32140 | 4× | €0,15 |
Repairability
Can you fix Dumper if a piece goes missing?
Every part+color combination in this set appears in at least 4 other sets. Any lost piece is cheap and easy to replace.
Theme average
6.5%
All sets
6.7%
Hardest to replace
More Technic sets
Browse more LEGO Technic sets related to Dumper, including models from 2003 and other sets in the same theme.
Build DNA
Parts inventory insights for Dumper
183 pieces puts this build -72% against the average Technic set and -25% against the average 2003 release.

Vs average Technic set
Average Technic set: 654 pieces across 453 other sets.
Vs average 2003 set
Average 2003 set: 244 pieces across 235 other sets.
Color profile
Dominant color
Black
Unique parts
1 pieces per unique type
Repeat factor
Average pieces per unique type.
Most used part
Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots
13xResults are based on official LEGO part inventories. Accuracy improves as you confirm set completeness.
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![Plate Round 2 x 2 with Rounded Bottom [Boat Stud]](https://cdn.rebrickable.com/media/parts/elements/4278359.jpg)

![Technic Beam Triangle Thin [Type I]](https://cdn.rebrickable.com/media/parts/elements/290526.jpg)








