Upgrades / Refurbishments
Expert Road-Rail Plant Upgrades, Compliance & Conversion Services
At Allan J Hargreaves Plant Engineers Ltd (AJH), we specialise in road-rail machine upgrades, rail plant conversions, compliance certification and refurbishment services for customers across the UK and Ireland. Our engineering expertise ensures your machinery remains compliant, reliable and ready for the demands of modern rail infrastructure projects.
Whether you require a full machine refurbishment, compliance upgrade or bespoke rail conversion, our experienced team delivers solutions that maximise performance, improve safety and extend equipment lifespan.
Road-Rail Machine Upgrades & Compliance Services
Keeping your plant compliant with the latest rail industry standards is essential for safe and efficient operation. AJH provides comprehensive upgrade packages designed to bring your machine up to current regulations while improving reliability and reducing future maintenance costs. As part of every project, we carry out a detailed pre-upgrade inspection to identify wear, damage and potential component failures caused by intensive operational use. This proactive approach allows us to rectify issues before they impact performance, ensuring your machine returns to service in optimum condition. Upon completion, all machines undergo extensive testing, inspection and certification to ensure they meet the required operational and safety standards.
Our Upgrade Services Include:
- RIS-1530-PLT compliance upgrades
- BS EN 15746 compliance upgrades
- RCI (Rated Capacity Indicator) system installation and calibration
- ECC certification
- Sandblasting and industrial repainting
- Air compressor system installation and refurbishment
- Trailer braking system upgrades
- Rail wheel braking systems
- Rail wheel reprofiling and replacement
- Cab pressurisation and filtration systems
- Fire suppression system installation
- Bucket ram check valve installation
- Auxiliary circuit changeover systems
- Tyre replacement services
- Interchangeable dipper and jib conversions
Why Choose AJH for Machine Upgrades?
- Latest rail compliance standards
- Experienced road-rail engineering specialists
- Reduced downtime and operational disruption
- Extended machine service life
- Comprehensive testing and certification
- Improved safety, reliability and performance

Road-Rail Machine Conversions
AJH is a leading provider of road-rail vehicle conversions, delivering bespoke solutions tailored to your operational requirements. Whether you require a specialist machine, have a preferred OEM platform or need a custom-engineered solution, our team can design and build a conversion package to meet your exact specifications.
We provide machine conversions for:
- UK Standard Gauge (1435mm) rail networks
- Irish Gauge (1600mm) rail networks
- Dual-Gauge Road-Rail Systems
Our dual-gauge solutions provide maximum flexibility for contractors and infrastructure operators working across multiple rail networks.
Conversion Options
9A Hydrostatic Drive Axles
Designed to deliver superior traction, smooth operation and improved machine control for demanding rail applications.
9B Friction Drive Axles
A proven and cost-effective rail drive solution offering dependable performance and operational efficiency.
9C Low-Rail Guidance Axles
Engineered to provide accurate rail guidance, enhanced stability and reliable tracking in challenging working environments.
Engineered for Reliability and Reduced Whole-Life Costs
At AJH, operation, maintenance and long-term reliability are at the core of every design. Our conversion systems are fully integrated into the base machine, ensuring seamless functionality, simplified maintenance and enhanced operator confidence.
By combining innovative engineering with practical rail industry experience, we help customers achieve:
- Increased machine availability
- Reduced maintenance requirements
- Improved operational efficiency
- Enhanced safety and compliance
- Greater return on investment
- Lower whole-life ownership costs
Looking for road-rail machine upgrades, RIS-1530-PLT compliance, rail plant certification or specialist machine conversions?
Our expert team is ready to discuss your requirements and provide a tailored solution for your fleet.