LEGO Cat D11 Bulldozer 42131 – Retired & Sealed - Is this set retired?

LEGO Cat D11 Bulldozer 42131 – Retired & Sealed is a retired LEGO set that is no longer in production. Once a LEGO set retires, it cannot be restocked by LEGO and sealed units become increasingly difficult to find as remaining stock is opened or damaged over time. BuyMyBricks specialises in sourcing retired sets that are factory sealed and verified.

How much is LEGO Cat D11 Bulldozer 42131 – Retired & Sealed worth in 2026?

LEGO Cat D11 Bulldozer 42131 – Retired & Sealed is currently priced at £649.99 at BuyMyBricks. Retired LEGO sets become harder to find in sealed condition each year as remaining stock is opened, damaged, or lost. All sets sold by BuyMyBricks are factory sealed, UK stock, with tracked delivery and a 30-day return policy.

Where can I buy a sealed LEGO Cat D11 Bulldozer 42131 – Retired & Sealed in the UK?

BuyMyBricks (buymybricks.com) stocks sealed LEGO Cat D11 Bulldozer 42131 – Retired & Sealed with UK delivery. Every set is inspected for box condition and seal integrity before dispatch. Free tracked shipping is available, with a 30-day return policy for peace of mind.

Back to Technic

Factory SealedRetired 2021

1 left

TechnicSet #42131 · 3854 pcs

LEGO Cat D11 Bulldozer 42131 – Retired & Sealed

Name: LEGO Cat D11 Bulldozer 42131 – Retired & Sealed
Brand: LEGO
SKU: 15460135076215
Price: 649.99 GBP
Availability: InStock

Retired · Factory Sealed

Sealed conditionInspected when receivedTracked delivery30-day returns

Read our reviews on Trustpilot · Read reviews

5,000+ sets sold

Sealed stock

£649.99

Found it cheaper elsewhere? Contact us, we'll price match any UK VAT-registered retailer.

3854

Pieces

26 × 57 × 37 cm

Built

18+

Age

2021

Retired

Retired 5 yearsago, LEGO stopped making this set in 2021. Sealed stock is finite.

Only 1 remaining. Retired sets are never restocked. When this stock is gone, sealed examples become significantly harder to find.

Order before 3pm, dispatches today · Tracked & insured

Common questions

Is this set factory sealed?+

Every set is inspected when it arrives at our warehouse. Factory sealed, original packaging, never opened.

How quickly will it ship?+

In-stock orders dispatch within 1–2 working days with free tracked delivery. You’ll get a tracking number by email.

Can I return it?+

30-day returns, no questions asked. Just email our support team and we’ll sort it.

Sold and dispatched by BuyMyBricks, a trading name of Peter James Trading Ltd · Registered in England & Wales (15028631)

What to expect

Sealed condition, factory sealed, inspected when received

Carefully handled, inventory checked to meet our standards

Professionally shipped, tracked delivery on every order

Returns accepted, contact us if there's an issue

0% interest · Pay in 3 with Klarna, £216.66 per payment

We accept

Our Take

Why we rate
this set

BuyMyBricks editorial

This set provides an impressive build for enthusiasts interested in large-scale construction projects, offering over 3,000 pieces to create a detailed bulldozer model within the LEGO Set theme.

The Set

What you're
actually buying

The Cat D11 Bulldozer set, number 42131, was released in 2021 as part of the LEGO Set range. At 3,854 pieces, it offers a substantial building challenge and realistic representation of heavy machinery. Now retired and no longer produced, this set is available sealed from BuyMyBricks.

Officially retired by LEGO · 2021 · No reprint

Full Specifications

Every detail,
documented

Set Number42131

ThemeTechnic

Piece Count3854

Year Released2021

Year Retired2021

ConditionFactory Sealed ✓

Built Size26 × 57 × 37 cm

Age Guide18+

Our Price£649.99

Our Standards

Verified inventory.
Every set.

We check and inspect inventory when it arrives with us to ensure it meets our standards. Every set we sell is factory sealed and sourced from verified suppliers. If it doesn't meet our criteria, it doesn't go on the site.

Sealed

Factory sealed condition verified

Inspected

Checked when received by us

Verified

Trusted, established suppliers

Tracked

Professionally shipped, every order

Reviews from Trustpilot

What customers say
on Trustpilot

★★★★★

Defender delivery

"Even before I ordered my Lego Defender I was having a good experience with Buy My Bricks, emailed customer service with a few questions and I got a brilliant response."

Jonathan L. · Trustpilot · Verified · Jan 2026

★★★★★

Trust and quality

"Order was processed and delivered quickly and smoothly, and item arrived in perfect condition. Happy to buy from this company again, I associate them with trust and quality, and the delivery service is really good too."

Scott N. · Trustpilot · Verified · Apr 2026

★★★★★

Quality service

"Easy to use, quick delivery. High quality service."

Kathleen · Trustpilot · Verified · Jan 2026

Why BuyMyBricks

Specialist retailer.
Not a marketplace.

We focus exclusively on retired LEGO sets. That means we understand the market, we know what sealed condition looks like, and we source from suppliers we trust. When you buy from us, you're buying from a specialist with their own verified inventory, not a listing on a platform.

Verified Stock

Inspected when received to meet our standards.

Sealed Condition

Factory sealed sets from verified suppliers.

Professional Shipping

Carefully handled and tracked on every order.

Real Support

Reach a real person when you need help.

Price Match Guarantee

Found this set cheaper from a UK VAT-registered retailer? Send us the link. We'll match it, no quibble.

In Depth

About this set +

LEGO Cat D11 Bulldozer (42131)

The LEGO Cat D11 Bulldozer is a retired set from the Technic range. This set is no longer available from LEGO directly, making sealed examples increasingly difficult to find.

Every set we list is factory sealed, never opened, and inspected before listing. You’re buying a genuine LEGO product in its original packaging.

What you get

Factory sealed LEGO Cat D11 Bulldozer (42131)
Original box and all contents
3,854 pieces
Released 2021
Instruction manual included
All pieces guaranteed by LEGO

Delivery & returns

Free tracked UK delivery on all orders. 30-day returns if you change your mind – just send it back in the same condition.