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28 Years
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Trusted Engineering Services for Commercial Vehicles
Established in 1998, JD Engineering has built a reputation as a trusted provider of comprehensive engineering services for commercial vehicles. Our expertise spans servicing, repairs, diagnostics, and specialist equipment installation, serving the timber haulage and forestry industries across Scotland and the North West of England. With two strategically located workshops in Dumfries and Lockerbie, we combine 35 years of sector-specific experience with modern diagnostic tools and partnerships with leading brands like Loglift and Wabco.

Our team delivers tailored solutions including MOT testing, hydraulic system maintenance, crane installations, and tyre inflation services using Bigfoot CTI systems. We prioritise roadworthiness through safety inspections, LOLER tests, and comprehensive breakdown assistance, supported by a 20-year heritage in hydraulic engineering. Our commitment to quality is demonstrated through our status as an authorised DVSA testing facility and our focus on meeting exact customer specifications for both new and used equipment.
Services
Workshops MOT Testing Diagnostics Hydraulics Cranes Sales Welding Fabrication
Details
  • Year established: 1998
Highlights and features
  • 35 years' experience serving timber haulage and forestry sectors
  • Authorised Wabco service centre for ABS/EBS systems
  • Specialist in hydraulic equipment with 20 years' expertise
  • 24/7 breakdown assistance available across Scotland
  • LOLER-certified crane inspection and testing services
Services
Workshops
Our two workshops in Dumfries and Lockerbie provide comprehensive servicing and repair solutions for commercial vehicles. With seven service bays and modern diagnostic equipment, we handle brake relines, clutch replacements, axle repairs, and chassis modifications. Our technicians specialise in forestry vehicle maintenance, offering 24/7 breakdown assistance and rapid return-to-service capabilities for haulage operators across Scotland and Northern Ireland.
MOT Testing
As an authorised DVSA testing facility, we conduct MOT tests for commercial vehicles, trailers, and ADR-certified equipment. Our dedicated testing lane in Dumfries ensures thorough examinations meeting strict roadworthiness standards. We provide full MOT preparation, presentation, and documentation services, with expert guidance to help operators meet regulatory requirements and maintain fleet compliance.
Hydraulics
With 20 years' specialist experience, our team supplies, installs, and repairs hydraulic systems for all crane makes and ancillary equipment. We service rams, pumps, PTOs, and tanks, manufacturing custom hydraulic hoses and supplying spares as complete kits or individual components. Our expertise extends to troubleshooting flow issues and resolving operational problems with crane lifting mechanisms.
Cranes
As Loglift and Jonsered agents, we provide timber crane sales, installation, and maintenance services across Scotland and North West England. Our capabilities include truck-mounted crane repairs, static crane mounts for sawmills, and LOLER-certified testing. We supply new and used equipment, including grapples, weigh links, and bolster systems, tailored to forestry industry requirements.
Diagnostics
Our workshops utilise advanced Jaltest diagnostic equipment to identify and resolve vehicle issues across all truck and trailer makes. Specialising in ECU replacement, sensor problems, and engine management systems, we service Wabco ABS/EBS brakes, Haldex, and Knorr-Bremse systems. We also offer software upgrades and retrofits to enhance vehicle performance and safety compliance.
Questions
What commercial vehicle services do you offer?
We provide MOT testing, hydraulic repairs, crane installations, diagnostics, welding, and comprehensive servicing for trucks and trailers.
Do you provide emergency breakdown assistance?
Yes, our mobile service vans operate 24/7 for roadside breakdowns across Scotland and Northern Ireland.
Are you an authorised MOT testing centre?
Yes, we're an official DVSA-approved facility with a dedicated testing lane at our Dumfries workshop.
What areas do you cover?
We serve Scotland (including Glasgow and Edinburgh), Cumbria, Lancashire, and Northern Ireland.
Do you sell forestry equipment?
Yes, we're agents for Loglift and Jonsered cranes, supplying new and used equipment with installation support.
Can you repair hydraulic systems?
Our team specialises in hydraulic equipment repairs, including rams, pumps, and crane operating systems.