
Parts list 63
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Technic Pin with Friction Ridges Lengthwise and Center Slots No longer produced · last seen 2021 × 14
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Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced × 12
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Technic Pin 1/2 without Friction Ridges × 9
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Technic Pin Long with Friction Ridges Lengthwise, 2 Center Slots No longer produced · last seen 2021 × 7
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Technic Beam 1 × 2 Thin × 6
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Technic Axle 3 × 5
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Technic Axle and Pin Connector Perpendicular × 4
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Tile Special 1 × 1 with Clip with Rounded Edges × 4
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Technic Axle Pin 3L with Friction Ridges Lengthwise and 2L Axle × 4
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Technic Beam 2 × 4 L-Shape Thick × 4
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Technic Axle Pin with Friction Ridges Lengthwise × 4
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Technic Tread Sprocket Wheel Small 6 Tooth No longer produced · last seen 2018 × 4
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Wheel Hard Plastic with Small Cleats No longer produced · last seen 2018 × 4
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Technic Axle 4 with Stop × 4
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Technic Bush × 3
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Technic Axle Pin without Friction Ridges Lengthwise × 3
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Technic Axle and Pin Connector Perpendicular 3L with Centre Pin Hole × 3
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Technic Beam 1 × 3 Thick × 3
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Technic Axle 7 × 3
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Technic Pin Connector Hub Perpendicular 3L with 4 Pins No longer produced · last seen 2020 × 3
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Technic Axle Connector Smooth [with x Hole + Orientation] × 3![Technic Axle Connector Smooth [with x Hole + Orientation] Dark Bluish Gray](/media/parts/59443/72/technic-axle-connector-smooth-with-x-hole-orientation-dark-bluish-gray.jpg)
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Technic Pin without Friction Ridges Lengthwise × 2
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Plate Round 1 × 1 with Solid Stud × 2
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Technic Beam 1 × 3 Thin × 2
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Technic Axle Pin 3L with Friction Ridges Lengthwise and 1L Axle × 2
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Technic Pin Connector Hub with 1 Pin with Friction Ridges Lengthwise No longer produced · last seen 2020 × 2
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Technic Panel Curved and Bent 6 × 3 × 2
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Tile Special 1 × 2 Grille with Bottom Groove × 2
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Technic Axle Connector with Axle Hole No longer produced · last seen 2021 × 2
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Technic Axle 2 Notched × 2
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Technic Axle 5 × 2
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Technic Gear 12 Tooth Double Bevel × 2
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Technic Beam 1 × 5 Thick × 2
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Technic Beam 1 × 7 Bent (4 - 4) Thick × 2
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Technic Beam 1 × 7 Bent (4 - 4) Thick No longer produced · last seen 2022 × 2
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Technic Beam 1 × 7 Thick × 2
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Technic Beam 1 × 7 Thick × 2
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Technic Beam 1 × 11 Thick × 2
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Technic Axle and Pin Connector Perpendicular Double Split No longer produced · last seen 2021 × 2
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Technic Axle and Pin Connector Perpendicular 3L with 2 Pin Holes × 2
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Technic Axle 5.5 with Stop [Rounded Short End] × 2![Technic Axle 5.5 with Stop [Rounded Short End] Dark Bluish Gray](/media/parts/59426/72/technic-axle-55-with-stop-rounded-short-end-dark-bluish-gray.jpg)
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Technic Beam 1 × 2 Thick with Pin Hole and Axle Hole × 2
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Technic Axle and Pin Connector Perpendicular Triple × 2
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Technic Beam Triangle Thin [Type II] × 2![Technic Beam Triangle Thin [Type II] Black](/media/parts/99773/0/technic-beam-triangle-thin-type-ii-black.jpg)
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Technic Axle 4 × 1
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Technic Axle 6 × 1
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Plate Round 1 × 1 with Solid Stud × 1
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Technic Panel Fairing #21 5L Small Smooth, Side B × 1
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Technic Panel Fairing #22 5L Small Smooth, Side A × 1
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Steering Wheel Small, 2 × 2 [Reinforced] × 1![Steering Wheel Small, 2 × 2 [Reinforced] Light Bluish Gray](/media/parts/16091/71/steering-wheel-small-2-x-2-reinforced-light-bluish-gray.jpg)
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Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] × 1![Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Black](/media/parts/18575/0/technic-gear-20-tooth-double-bevel-with-axle-hole-type-1-opening-black.jpg)
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Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] × 1![Technic Gear 20 Tooth Double Bevel with Axle Hole Type 1 [+ Opening] Tan](/media/parts/18575/19/technic-gear-20-tooth-double-bevel-with-axle-hole-type-1-opening-tan.jpg)
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Technic Pin Connector Round 1L [Beam] × 1![Technic Pin Connector Round 1L [Beam] Black](/media/parts/18654/0/technic-pin-connector-round-1l-beam-black.jpg)
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Technic Panel Curved and Bent 6 × 3 × 1
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Technic Driving Ring Connector Smooth [4 Rounded Side Walls] No longer produced · last seen 2019 × 1![Technic Driving Ring Connector Smooth [4 Rounded Side Walls] Light Bluish Gray](/media/parts/26287/71/technic-driving-ring-connector-smooth-4-rounded-side-walls-light-bluish-gray.jpg)
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Technic Worm Gear Short × 1
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Technic Axle and Pin Connector Angled #2 - 180° × 1
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Technic Beam 3 × 5 L-Shape Thick × 1
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Sticker Sheet for Set 42071-1 No longer produced · last seen 2018 × 1![Sticker Sheet for Set 42071-1 [No Color/Any Color]](/media/parts/36173/9999/sticker-sheet-for-set-42071-1-no-colorany-color.jpg)
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Roll Cage 6 × 4 × 3 1/3 × 1
No part matches this colour selection.
Import on BrickLink: Wanted → Upload, upload the file (or paste its content), pick a Wanted List and add the parts.
Spare parts (8)
These extra parts come with the set in case one gets lost.
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Technic Pin with Friction Ridges Lengthwise and Center Slots No longer produced · last seen 2021 × 1
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Technic Pin Connector Round 1L [Beam] × 1![Technic Pin Connector Round 1L [Beam] Black](/media/parts/18654/0/technic-pin-connector-round-1l-beam-black.jpg)
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Technic Bush 1/2 Smooth with Axle Hole Semi-Reduced × 1
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Technic Pin without Friction Ridges Lengthwise × 1
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Technic Bush × 1
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Technic Pin 1/2 without Friction Ridges × 1
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Plate Round 1 × 1 with Solid Stud × 1
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Plate Round 1 × 1 with Solid Stud × 1
Alternative models
Fan models by Rebrickable users that you can build (mostly) from this set’s parts. Instructions are available from the designers.
- 42071 alternate: steamroller
- Tunneling Machine 42071 Alternate Build
- 42071 H0VERCRAFT
- 42071 Monster Buggy
- 42071 C-model Dragster
- Helicopter 42071
- 42071 Airplane
- 42071 Alt Build - Santa's Baja Sleigh
- Tractor with Plow - LEGO Technic 42071 Alternate Build.
- Chopper - Lego Technic 42071 Alternate MOC
- Helicopter - Lego Technic 42071 F Model
- Monster Truck - LEGO Technic 42071 Alternate MOC
Description
Technic in a small package
Technic models are built from beams, pins and axles rather than smooth plates, and the Dozer Compactor follows that approach. Released in 2018, it shows a construction machine whose blade and roller do the visible work. At 171 pieces it is one of the lighter entries in the range, so beginners can finish it without help. Sets of this size do not include minifigures, which puts the focus on the machine and how its parts fit together.
Colour and part variety
Light bluish grey and blue lead the palette, with black and dark bluish grey as support. It is the standard look of a site machine: black tyres, grey mechanics and a bright body. The 171 pieces include 58 different elements, among them beams, connectors and larger panels. The parts list on this page shows how many of each you get. With Technic that matters more than usual, because many connectors look alike and are easy to confuse when you sort a loose pile.
Learning by building
This is a set for anyone who likes to see how things work. As you build, you notice how the pieces lock into each other and how moving parts pass on force. Once finished, the dozer can be pushed along a table or used as part of a bigger building site. Adults get an easy evening project, and children get a manageable first Technic model that will not overwhelm them with piece count.
Keeping the parts in use
Technic elements are among the most flexible bricks there are. Beams, pins and axles from this set can be reused in vehicles, robots or gearboxes. The “What can I build?” tool on this page shows which other sets your collection can make with the Dozer Compactor included. That turns a small set into a useful base for further Technic projects, even after you take the model apart.
FAQ
- How many pieces are in the Dozer Compactor?
- There are 171 pieces, made up of 58 different parts.
- Does it come with a minifigure?
- No, this Technic set has no minifigures.
- Is it suitable for beginners?
- Yes, the piece count is modest and it makes a gentle introduction to Technic building.
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