Professional Diesel Generator Maintenance & Overhauls Across Dubai, Abu Dhabi & All Emirates
A standby or prime diesel generator is a critical life-safety asset. In the United Arab Emirates, where standby generators spend months idling in extreme 50°C summer heat, ambient dust, and coastal humidity, unmaintained engines suffer from fuel oxidation, lubricating oil breakdown, starter battery sulfation, and dangerous "wet stacking" inside exhaust manifolds. When a utility grid outage hits, an unmaintained generator fails to start in over 30% of emergency occurrences.
Rental Power UAE provides certified diesel generator maintenance and engineering overhaul services for all major engine brands, including Cummins, Caterpillar, Perkins, Volvo Penta, MTU, and Scania. Our certified electrical and mechanical engineers execute routine preventive checkups (A, B, C, D maintenance intervals), resistive load bank testing, automated transfer switch (ATS) testing, fuel polishing, and major engine rebuilds.
Standard Generator Maintenance Service Intervals
Weekly / Monthly Preventive Check
Inspection of lube oil level, coolant level and specific gravity, starter battery electrolyte and float voltage, belt tension, fuel tank sediment drain, and 15-minute un-loaded operational test run.
250 Hours / 6-Month Service
Complete replacement of engine oil (API CK-4 / 15W-40), OEM oil filters, primary and secondary fuel filters, fuel-water separators, battery terminal cleaning, and sensor calibration.
500 Hours / Annual Major Service
Replacement of air filter elements, radiator coolant flush and replacement with ethylene glycol mix, valve clearance lash adjustment, alternator megger insulation testing, and full resistive load bank testing.
5,000 to 10,000 Hours Mechanical Rebuild
Complete engine teardown: cylinder liner replacement, new piston rings, main and con-rod bearings, injector recalibration, turbocharger overhaul, and precision dynamometer testing.
Ensure 100% Emergency Power Readiness
Book a comprehensive generator health inspection today. We evaluate your generator, load capacity, and battery readiness, delivering certified compliance documentation.










