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Set 8043 Motorized Excavator
Technic

Motorized Excavator

Released in 2010, the Motorized Excavator 8043 turns a staple of the Technic range into something you can actually drive. It contains 1,127 pieces and belongs to the Power Functions era.

Set number
8043
Year
2010
Pieces
1,127
Minifigures
0
Theme
Technic
Different parts
140
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 140

As BrickLink list (XML)

Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.

Spare parts (9)

These extra parts come with the set in case one gets lost.

Description

Power where you would expect a crank

Many earlier Technic diggers relied on hand-turned wheels and gears. Set 8043 swaps much of that for electrics: it includes Power Functions elements, meaning motors, cables and a battery box. The building instructions show exactly which movements are driven, and the parts list further down confirms every electrical component. The practical upshot is that the finished excavator is meant to be operated rather than simply posed. That shifts it from a static model towards a working machine you can play with on the floor or the table.

A proper site-machine palette

Black is the leading colour, followed by light bluish grey, dark bluish grey and yellow. Yellow is the familiar hue of construction equipment, while black and the two greys are the neutral shades found across a great many Technic sets of the period. The result looks sober and believable next to other vehicles from the same period. If you tend to cannibalise sets for your own designs, that restrained colour mix is handy, because neutral beams and connectors blend into nearly any project without clashing.

Size and build

At 1,127 pieces this is a substantial model, yet it uses only 140 distinct parts. Plenty of elements repeat, so you will assemble similar sub-assemblies more than once. By 2010 studless construction was firmly established in Technic, so expect liftarms, pins and axles rather than studded bricks. It is a build for teenagers and adults who enjoy following a mechanism as it takes shape, and it rewards careful sorting before you start.

Beyond the digger

Motors and a battery box are among the most reusable things a Technic set can contain. Browse the complete inventory on this page to see colours and quantities, then try the What can I build? tool to find other sets you could assemble fully or partly from these pieces. The list also helps when a second-hand copy turns up incomplete: tick off what you have, then decide whether to track down the rest or repurpose everything.

FAQ

Does 8043 need batteries?
Yes. It is a motorised set using Power Functions elements, which run from a battery box listed in the inventory.
How many distinct parts are in the set?
Of its 1,127 pieces, 140 are different part types, so many elements appear several times.
Is the Motorized Excavator studless?
Built in 2010, it follows the studless Technic style based on liftarms, pins and axles.

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