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Monday 8am - 4pm Tuesday 8am - 4pm Wednesday 8am - 4pm Thursday 8am - 4pm Friday 8am - 4pm

J Dow Horseboxes

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Specialist horsebox repairs, refurbishment, and MOT work — delivering professional solutions for every age, make, and challenge.

30/09/2026

💚 EVENT VOLUNTEERS WANTED – DRUM RDA 💚
There are lots of ways and jobs to help out at the Drum RDA!

02/07/2026

Corroded sill extensions are one of the most common structural repairs we carry out on 3.5-tonne van conversion horseboxes.

Corrosion in these areas can affect both the structural integrity of the body and the mounting points for the side panels.

We design and manufacture our own galvanised replacement sill extensions in-house using specialist sheet metal fabrication equipment. This allows us to produce accurately formed sections that fit the vehicle correctly and provide a long-lasting repair.

The photos show some of the corroded sections removed alongside our replacement components before installation. While we’re happy to show the end result, some aspects of our repair process and fabrication methods remain part of how we achieve the standard we’re known for.

Investing in the right equipment and developing purpose-developed repair processes allows us to complete these repairs efficiently while maintaining the high standard of workmanship our customers expect.

If your horsebox has corrosion around the sill extensions or lower body, get in touch for an assessment before the damage becomes more extensive.

WhatsApp: +44 7973 217405

28/05/2026

How did one tiny hole cause £0000’s of damage?

This lorry suffered a catastrophic rear axle failure after corrosion ate through the diff housing and allowed all the oil to leak out.

With no lubrication left inside the axle, the differential components rapidly overheated at highway speeds. Eventually the pinion twisted and fractured, causing a total loss of drive. The now free-spinning propshaft then struck the rear airbags, dropping the suspension as well.

A small leak turned into a major mechanical failure.

The moral of the story? Pre-journey checks matter — especially on vehicles that have been sitting unused for long periods.

Checking oil and coolant levels is essential, but even a quick look underneath the lorry for leaks or corrosion can save thousands in repair costs and prevent a dangerous breakdown.

30/04/2026

Side panel replacement on this 3.5T horsebox.

A straightforward job, but the finish matters. The new GRP panel has been fitted using stainless steel screws on the windows, and the original fibreglass skirt was refitted with stainless fixings as well — no rust bleed or tired screw heads down the line.

We’ve used colour-matched white GRP rivets to keep everything looking clean, and had the original decals remade so the vehicle looks exactly as it did before the damage.

Simple job, done properly.

23/04/2026

Some behind the scenes content of a couple side panel replacement jobs 🐎 🚛

16/04/2026

A proper service should leave a proper record.

Every trailer we service at J Dow Horseboxes is issued with one of our custom branded service books — giving you a clear, professional history you can keep with the trailer for years to come.

It’s not just paperwork. It’s proof the job’s been done right.

Every customer also receives a full video inspection outlining any work required, along with a clear estimate before anything is carried out — so you can see exactly what we see and make informed decisions.

We stock a full range of Ifor Williams horse trailer service parts, allowing us to carry out work efficiently without cutting corners. All servicing is completed using genuine parts only — because reliability and safety matter.

When you see one of our service books, you know exactly where the work’s been done — and the standard it’s been done to.

02/04/2026

Some vehicles don’t have the luxury of readily available parts.

This 1994 VW LT came in needing an accelerator pedal — a part that’s no longer manufactured and simply can’t be sourced.

So we made one.

Fabricated in-house to get the vehicle safely back on the road, exactly as it should be.

At JDow Horseboxes, we work on vehicles of all ages. Whether it’s modern or 30+ years old, we don’t turn work away — we find solutions.

Because keeping your horsebox safe and usable is what matters.

26/03/2026

A first for us this week…

A rear leaf spring fitted so incorrectly it was resting directly on the hanger bracket.

According to the MOT history, this spring was replaced last year after a fail — which raises some serious questions.

This isn’t a minor issue. Suspension installed incorrectly can seriously affect vehicle stability and safety, especially when carrying horses.

If you’ve recently bought a horsebox, even with a fresh MOT, it’s still worth having it properly inspected — because this is exactly the kind of thing that can be missed.

12/03/2026

Dream truck or nightmare?

This truck was suffering from intermittent gearbox communication faults.

Using our PicoScope automotive oscilloscope, we captured an internal power loss inside the transmission control module. Each time it dropped power, the module disappeared from the CAN network, causing the gearbox to lose communication.

This type of fault won’t always show up through normal diagnostics.

A PicoScope lets us monitor electrical signals in real time, allowing us to catch faults that happen in milliseconds and prove the root cause.

Accurate diagnostics isn’t guesswork — it’s measurement.

05/03/2026

Not all horses travel the same, and sometimes the internal layout of a horsebox needs to change to suit the horse.

This 3.5t horsebox originally had an open stall with only a breast bar separating the horse area from the rear section. For this owner’s new horse there was a risk of it attempting to jump the breast bar.

We modified the internal layout by installing a solid partition to properly separate the stall and prevent the horse entering the rear of the vehicle.

Small changes like this can make a significant difference to safety and peace of mind when travelling.

J Dow Horseboxes

Address

Gorebridge
EH234LT

Opening Hours

Monday	8am - 4pm
Tuesday	8am - 4pm
Wednesday	8am - 4pm
Thursday	8am - 4pm
Friday	8am - 4pm

Telephone

+447973217405

Website

https://www.jdowhorseboxes.com/

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