077 5990 9337
Knockloughrim, Magherafelt, NI

Mobile Trailer Repairs, On The Go.

Fully equipped mobile workshop delivering HGV & PSV trailer repairs, diagnostics and safety inspections direct to your yard, anywhere in Northern Ireland.

Call 077 5990 9337 Get a Quote
MobileWorkshop On-Site
ABS/EBSDiagnostics & Repair
PSVChecks & Inspections
What We Do

Trailer Repair Services

From routine maintenance to specialist braking system diagnostics, our mobile unit comes fully kitted to get your trailer back on the road fast.

Repairs & Maintenance

General trailer repair and upkeep carried out on-site at your yard, minimising vehicle downtime.

ABS / EBS Diagnostics

Specialist diagnostics and repair for anti-lock and electronic braking systems on modern trailers.

Knorr-Bremse Caliper Repairs

Expert repair of Knorr-Bremse brake calipers, backed by genuine parts and manufacturer know-how.

PSV Checks & Safety Inspections

PSV checks and safety inspections carried out and recorded at your location, ready for compliance.

Rewiring Services

Full trailer rewiring to resolve faults and keep lighting and electrical systems fully compliant.

Mobile Diagnostics

On-site fault-finding using the latest diagnostic tools, so problems get identified and fixed fast.

Why Choose Us

Northern Ireland's Trusted Mobile Trailer Specialists

McMullan Trailer Repair brings the workshop to you. Our fully equipped mobile unit carries out warranty work, braking system repairs and safety inspections directly at your transport yard, saving you time and getting your fleet moving again.

We work with all the major component brands, so whatever's on your trailer, we've got the parts and expertise to fix it right first time.

  • Fully mobile workshop
  • On-site warranty work
  • PSV checks recorded on-site
  • Genuine major-brand parts
Mechanic servicing a heavy goods trailer

Proud to Work With Leading Component Brands

SAF Holland BPW Haldex JOST Knorr-Bremse WABCO

Trailer Down? We'll Come To You.

Call now for fast, on-site trailer repairs anywhere in Northern Ireland.

077 5990 9337
Get In Touch

Book Your Mobile Repair

Give us a call, drop us an email, or find us at the workshop. We're ready to get your trailer back on the road.

Address

8C Lurgangoose Road, Knockloughrim, Magherafelt, BT45 8QS

Phone

077 5990 9337

Email

[email protected]

Availability

Mobile call-outs by appointment — call for availability

Call 077 5990 9337