Excellence
Teamwork
Trust
Commitment
RRV Road Rail Vehicle Manufacturing & Conversion Specialists
AJH Plant is a leading UK manufacturer of RRV road rail vehicle conversions, engineering solutions, and bespoke modifications for the rail industry. We work exclusively with plant hire companies, rail contractors, and fleet owners, delivering high‑quality, fully compliant machinery built for demanding on‑track environments.
Our engineering team designs, fabricates, and converts standard construction machinery into certified, rail‑ready RRVs that meet the latest industry standards and performance expectations.
Supporting Rail Fleets Across the UK
Based in the North of England, AJH Plant supplies RRV conversions, components, and engineering services to plant hire companies nationwide. Whether you’re upgrading an existing fleet or expanding into rail for the first time, we provide the technical expertise and manufacturing capability to make it happen.
Products & Services
About Us
Founded in 1983, Allan J Hargreaves Plant Engineers Ltd started off in the maintenance of construction plant machinery and now specialises in the design, manufacture, upgrade, and maintenance of road-rail vehicles.
Discover more
Interview with Paul Hargreaves
Sam Sherwood-Hale spoke to Paul Hargreaves about growing a Lancashire engineering firm from eight to 80 employees, navigating rapid changes in rail technology, and why the industry faces a period of managed asset decline.
Development of the Liebherr RH925
The high-level concept of the new machine was for a mid-weight tracked excavator. It was to be optimised for efficient digging in restricted areas and have a high lift capacity for the machine's weight class.
Product Acceptance of the Rail Rascal
The Rail Rascal is a smaller excavator/crane optimised for both lifting and digging capabilities. The offset boom provides the range of motion required for trench and drainage excavation, whilst the integrated RCI ensures stability and safety during lifting.
