Sign in
Set 42128 Heavy Duty Tow Truck
Technic

LEGO® Heavy Duty Tow Truck

The Heavy Duty Tow Truck 42128 is a large 2021 LEGO® Technic model built around a working crane arm and winch. With 2,017 pieces and 231 unique elements, it's one of the bigger Technic vehicle sets from that year. This page lists every fact and the full parts breakdown.

Set number
42128
Year
2021
Pieces
2,017
Minifigures
0
Theme
Technic
Different parts
231
What can I build with it?

View the official building instructions at LEGO® ↗

Parts list 231

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 (17)

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

Description

A big build with a clear job to do

At 2,017 pieces, this is one of the larger Technic vehicles of its generation, and unlike display-focused models, everything here is built around a specific working task: lifting and towing. That practical focus shapes the whole design, from the reinforced chassis to the mounting points for the crane arm. Builders who enjoy Technic sets for their engineering rather than their looks will find plenty to dig into, since much of the internal structure exists purely to support the mechanisms rather than to fill out the model's shape.

Crane and winch mechanics

The centrepiece of the model is an extending crane arm paired with a cable winch, both built from a working combination of gears, axles and connecting elements rather than fixed decoration. Getting a crane to lift convincingly requires careful gearing to manage leverage, and building that mechanism is a large part of what makes this set feel more technical than a straightforward vehicle build. With 2,017 pieces going into a model whose main job is demonstrating that kind of function, it's a good example of Technic sets that prioritise mechanism over minifigure play.

A working-vehicle colour scheme

Light bluish grey and black form the truck's main structure, with blue and dark bluish grey picked out on the cab and mechanical detailing. It's a restrained palette that suits a utilitarian vehicle rather than a themed playset. With only 231 unique elements across 2,017 pieces, the set leans on repeated structural parts rather than a wide range of decorative pieces, consistent with its focus on function. The parts list on this page shows exactly which pieces appear, how often, and in which colour.

Parts worth keeping for later

A good number of the 231 element types here are Technic staples, axles, pins and connectors, that show up across plenty of other sets and are worth keeping once the model is retired. The crane and winch components in particular are useful if you're experimenting with lifting mechanisms in your own builds. Use the parts list on this page to check whether a piece from this set matches something needed elsewhere, or to confirm which colour a specific element comes in before combining sets.

FAQ

How many pieces does the Heavy Duty Tow Truck have?
Set 42128 contains 2,017 pieces made up of 231 unique elements, listed in full in the parts list on this page.
What does the model actually do?
It features a working crane arm and cable winch, built to lift or tow other vehicles using real Technic mechanisms.
Does the set include any minifigures?
No, as with most Technic vehicles, the focus is on mechanical function rather than minifigures.

Reviews

No reviews yet. Build the set and tell others how you liked it.

Only signed-in users can write reviews, one per set. We check every review against our rules before it is published; we do not check whether the set was bought or built.

Similar sets