Brooklyn Coachworks

Brooklyn Coachworks

Defender Frames

The basis of restoration

Brooklyn Coachworks's avatar
Brooklyn Coachworks
Jun 16, 2025
∙ Paid

The frame is the most crucial part of any vehicle. Holding all components together and ensuring a smooth and straight ride. A messed-up frame can be catastrophic in an accident, and could be the difference between a life saved and a life lost. So, why are frames some of the most common points of rust and wear on any vehicle, especially old Land Rovers?

Well, simply put, your frame is on the front line between the elements and your vehicle. Mud, salt, dirt, and water all hit the frame while you're driving and seep into the crevices on your undercarriage. Over time, this can cause moisture and damage that leads to rust. Working slowly at first, but building up exponentially, rust can chew through integral frame points if not properly cared for. Farm trucks and off-road vehicles, like most Land Rovers, can be some of the worst cases of this automotive affliction.

With old Land Rovers specifically, there is a second reason for heavily rusted frames. The British automotive industry had some of the most outstanding achievements and cars of the mid-to-late 20th century. Jaguar, Aston Martin, MG, Land Rover, and dozens more pumped out gorgeous and timeless vehicles that are still lauded as some of the greatest ever. Unfortunately, British automotive steel could not keep up with the design and engineering departments, making what is quite possibly the most rust-prone frames and components ever to be put into production, on par with their Italian contemporaries and 2000s GM. Now, you pair this steel with an environment that can be summed up as rain with a touch of sunshine, and you get the average well-loved Land Rover.

I say all of this to illustrate the importance of properly repairing and prepping the frame of a Defender when fully restoring and selling it to clients.

These are not photos from a donor vehicle before we rebuilt it. This is the frame on a supposedly $200,000 “fully restored” Defender a client was left with after building with one of the countless restoration shops that popped up during the hype of the last few years. This truck is what inspired us to write this article, not as a hit piece, but to help potential buyers and those looking to restore their trucks on their own understand what to look for and what to do to achieve a long-lasting vehicle.

Let’s start with what not to do.

  1. Rustoleum special.

    Please do not spray your rotted frame with a corrosion preventer, then top it off with two coats of automobile spray paint. While this is a budget classic for body panels. This method isn’t gonna stop your frame from splitting in half when you get into a fender bender because, unfortunately, paint does not bond as strongly as steel.

  2. Patch Weld

    This second method is actually a very good choice if you are rolling on a budget, don’t have access to a clean frame, or are working with a car whose value will decrease exponentially with aftermarket parts (i.e, a Ferrari 125 S). If done correctly, it can do wonders, and with proper treatment and prep, your frame can last. Now, if you are looking for a quick turnaround on a client’s $150,000 build and decide, “eh, what the hell, run to Harbor Freight and rent the welder for an hour,” this is a terrible option. The magic of the Defender is the support it receives from Land Rover and the aftermarket. Because of this long-standing support, you can purchase a completely new frame with your VIN engraved on it for approximately $ 20,000 to $25,000. Now, this is an investment, and not for everyone, but a shop promising a new truck to clients who are paying upwards of $100,000 on a build should expect this and more for that price.

  3. Nothing

    I wish I could say I’ve never seen this on a “restored” truck, but unfortunately, I have many times.

So what should you do?

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