Technical Support for Heavy Equipment | Hydraulic, Electrical, Pneumatic & Mechanical
Heavy diesel equipment relies on complex hydraulic, electrical, pneumatic and mechanical systems. Accurate fault diagnosis is critical to avoid unnecessary parts replacement, repeat failures and costly downtime.
Carter’s Heavy Diesel provides specialist diagnostics and repairs with advanced diagnostic equipment. Technical support is available both on-site and in our Welshpool workshop. With detailed reporting provided on completion.
Specialist diagnostics, repairs and maintenance for hydraulic, electrical, pneumatic and mechanical systems across heavy equipment and vehicles.
Accurate diagnostics and efficient repairs for complex equipment faults.
Call Or Enquire Online
Contact us by phone or an enquiry online and tell us about the fault.
We Assess
We review the issue, discuss repair options and provide a solution.
Diagnose & Repair
We diagnose the fault and complete repairs on-site or in our workshop.
Job Done
Equipment is tested, repaired and returned with a service report.
Advanced diagnostic capabilities and specialist technical expertise. To keep trucks, machinery and heavy equipment operating reliably.
Factory-trained on Caterpillar equipment with extensive experience across mining, construction and transport industries.
Advanced fault finding using software for accurate diagnostics and system calibrations.
Licensed to service and repair air conditioning systems across heavy vehicles, machinery and equipment.
Advanced diagnostic capabilities across major heavy diesel brands. Including Cummins, Detroit Diesel, Volvo, Mack, Kenworth,FUSO, Hino, Isuzu and Mercedes-Benz, and more.
Heavy diesel equipment loses power when the engine cannot deliver the fuel, air, or boost pressure required to operate efficiently. Common causes include blocked fuel filters, injector faults, turbocharger failures, air intake restrictions, and sensor issues. Diagnostic testing identifies the exact fault and prevents unnecessary parts replacement.
Heavy equipment overheats when the cooling system cannot remove engine heat effectively. The most common causes are coolant leaks, blocked radiators, failed water pumps, faulty thermostats, and cooling fan failures. Continuing to operate an overheating machine can result in severe engine damage.
Black smoke indicates incomplete fuel combustion. This is caused by faulty injectors, turbocharger issues, restricted airflow, or fuel system faults. Excessive black smoke reduces fuel efficiency and signals an underlying engine performance problem.
Hydraulic systems fail because of contamination, component wear, overheating, or pressure loss. Damaged hoses, leaking seals, worn pumps, and contaminated hydraulic oil are the most common causes. Early repairs help prevent expensive component failures and downtime.
Fault codes appear when the machine detects an issue affecting performance or operation. Common causes include sensor failures, wiring faults, injector problems, low system pressures, and ECU communication errors. The root cause must be repaired before the fault code can be permanently cleared.
Heavy equipment usually fails to start because of a fuel delivery, battery, or electrical system fault. Flat batteries, starter motor failures, blocked fuel filters, fuel contamination, and wiring issues are the most common causes. Professional diagnostics identify the fault quickly and accurately.
A diesel engine requires an overhaul when internal wear affects reliability and performance. Signs include excessive oil consumption, low compression, blow-by, persistent power loss, and bearing wear. An overhaul restores engine performance and extends service life.
