Used Generators UAE

Used & Refurbished Generator Buy & Sell Division Across the UAE

In the rapidly expanding construction, manufacturing, and oilfield sectors of the United Arab Emirates, capital expenditure for new standby power systems often strains project budgets. Brand-new factory orders for industrial diesel generator sets require 16 to 24 weeks of overseas lead time and substantial upfront capital outlays. At Rental Power UAE, we bridge this critical operational gap through our dedicated Used & Refurbished Generator Trading Division.

We buy used generators, scrap generators, and refurbished generators in any operating condition across Dubai, Abu Dhabi, Sharjah, and all Northern Emirates. Furthermore, we sale certified, zero-hour refurbished diesel generators backed by 50-point workshop load-bank testing and comprehensive mechanical warranties.

Whether your facility is decommissioning surplus standby power assets after completing a major project in Dubai, liquidating heavy oilfield gensets in Abu Dhabi, or replacing old industrial machinery in Sharjah, our commercial team delivers instant on-site evaluations, guaranteed cash buyback proposals, and same-day financial settlements.

Complete Commercial Scope: What Generators We Buy & What We Sell

Our multi-acre reconditioning yards in the Sajaa Industrial Area (Sharjah) and Al Quoz (Dubai) allow us to process single portable gensets as well as multi-megawatt synchronized power stations. We categorize our generator trading operations into three distinct procurement and supply streams:

How We Value Used & Scrap Generators: The Engineering Valuation Protocol

Unlike scrap dealers who offer arbitrary estimates, Rental Power UAE conducts rigorous, engineering-driven appraisals. When you invite our diagnostic valuation team to inspect your surplus generator, we assess five primary technical parameters:

1. Electronic Control Module (ECM) Telemetry & Operating History

On modern digital engines (such as Perkins 1100/2000 series, Cummins Quantum System, or Cat ADEM controllers), we plug in diagnostic scanners to verify true operational run-hours, historical load percentages, previous fault codes, overspeed events, and thermal trip history. Verified standby generators that have operated under low duty cycles receive prime market value.

2. Mechanical Engine Health: Compression, Crankcase Pressure & Oil Analysis

Our field mechanics test cylinder compression across all banks to detect piston ring wear or cylinder bore glazing. We measure crankcase blow-by pressure and extract engine oil samples for laboratory spectrochemical analysis. Detecting trace concentrations of iron, copper, chromium, or glycol confirms the exact wear state of main bearings and crankshaft journals.

3. Alternator Insulation Resistance & Winding Integrity (Megger Testing)

The electrical alternator (Stamford, Leroy Somer, Mecc Alte, or Marathon) is subjected to a 1,000V DC Megohmmeter test. We measure insulation resistance across the stator, rotor, and exciter windings against the frame. Readings exceeding 10 Megohms indicate healthy Class H insulation, whereas degraded windings are flagged for workshop vacuum pressure impregnation (VPI) or full copper rewinding.

4. Cooling Package & Acoustic Canopy Condition

In the UAE’s harsh 50°C summer conditions, cooling efficiency determines generator survival. We inspect copper-brass and aluminum core radiators for external fin corrosion, scale accumulation, and coolant leaks. Sound-attenuated canopies are inspected for zinc-galvanized sheet metal integrity, rockwool acoustic insulation density, and stainless steel lock hardware.

5. Scrap Copper & Ferrous Metal Salvage Weight

When a generator is mechanically dead or beyond economic repair, we assess its scrap liquidation value based on London Metal Exchange (LME) scrap copper indices and local UAE foundry cast-iron rates. A standard 500 kVA generator alternator contains approximately 250 to 350 kg of pure electrolytic copper windings, alongside 2,500 kg of heavy cast iron and structural steel, delivering substantial cash recovery for retired assets.

Comparison: Used Generators vs. Refurbished Generators vs. Brand-New Factory Sets

To assist project directors, facilities managers, and procurement officers in choosing the right power solution, our technical engineering team has prepared this comprehensive comparison:

Our 50-Point Zero-Hour Refurbishment Protocol: How We Build Reliability

When our engineering division purchases a pre-owned diesel generator, it is transported directly to our specialized reconditioning workshop in the Sajaa Industrial Oasis. Here, our certified master diesel technicians carry out an exhaustive zero-hour restoration process:

Phase 1: Complete Teardown & Chemical De-Greasing

The engine block, alternator, cooling radiator, and control cubicle are demounted from the structural skid base. The base frame is sandblasted to Swedish Standard Sa 2.5, coated with epoxy zinc primer, and finished with polyurethane industrial enamel. The engine block undergoes ultrasonic solvent cleaning to remove carbon deposits, oil sludge, and cooling jacket scale.

Phase 2: Cylinder Overhaul, Bearings & Fuel Injection Rebuild

Cylinder liners are honed or replaced with genuine OEM components. Main and big-end bearings are renewed to factory clearances. The fuel injection pump and fuel injectors are calibrated on high-pressure computerized test benches to achieve precise atomization patterns, eliminating exhaust smoke and optimizing specific fuel consumption (SFC).

Phase 3: Alternator VPI Baking & Digital AVR Upgrade

The main stator and rotor windings are baked in thermostatically controlled ovens to eliminate moisture, re-impregnated with high-grade Class H electrical varnish, and dynamically balanced to ISO 1940 Grade G2.5 standards. Obsolete analog voltage regulators are replaced with brand-new digital automatic voltage regulators (AVR) featuring under-frequency roll-off (UFRO) and rapid transient load response.

Phase 4: Digital Controller Integration & Safety Tripping

We install modern digital control panels, primarily Deep Sea Electronics (DSE 7320 MKII) or ComAp InteliLite. These microprocessors provide automatic mains failure (AMF) synchronization, real-time frequency/voltage monitoring, programmable safety shutdowns for high coolant temperature, low oil pressure, and reverse power, plus optional remote GSM/Ethernet telemetry.

Phase 5: 4-Hour Resistive Load-Bank Quality Certification

No refurbished generator leaves our facility without completing our rigorous load-bank trial: 1 hour at 25% load, 1 hour at 50% load, 1 hour at 75% load, 1 full hour at 100% rated prime capacity, and a 15-minute overload run at 110%. Digital sensors log cylinder exhaust temperatures, lube oil viscosity, and radiator delta-T. A signed Load Bank Test Certificate is issued with every sale.

Turnkey Heavy Decommissioning & Crane Logistics: Zero Hassle for Sellers

Decommissioning a 1,000 kVA or 2,000 kVA industrial generator from an operational jobsite, rooftop plant room, or basement enclosure presents significant logistical and safety challenges. When you sell a used or scrap generator to Rental Power UAE, we handle 100% of the extraction and transport operations:

• Heavy Crane Rigging: Our licensed rigging crew deploys 25-ton to 100-ton mobile telescopic cranes with certified lifting spreaders, wire slings, and D-shackles to execute safe, damage-free lifts.
• Hazardous Fluid Draining: In compliance with Dubai Municipality Environment Department and Tadweer (Abu Dhabi Waste Management) regulations, our team drains all engine lube oil, ethylene glycol coolant, and diesel fuel into approved containment drums before road transit.
• Permitted Heavy Haulage: We dispatch low-bed and multi-axle flatbed transport trailers equipped with valid Roads and Transport Authority (RTA) and Department of Municipalities and Transport (DMT) permits for oversized loads.
• Instant Financial Clearance: Full payment is transferred to your bank account via telegraphic wire transfer or settled in cash prior to equipment unbolting and crane lifting.

Serving All Industrial Zones Across Dubai, Abu Dhabi & the Northern Emirates

With field valuation teams stationed strategically across the Emirates, we guarantee rapid 2 to 4-hour on-site inspection response times:

• Dubai Metropolitan & Industrial Hubs: Jebel Ali Free Zone (JAFZA), Dubai Industrial City (DIC), Al Quoz, Ras Al Khor, and Dubai South.
• Abu Dhabi & Western Concessions: Mussafah Industrial Area (M9 to M44), Industrial City of Abu Dhabi (ICAD I, II, III), KIZAD, Al Ain, and remote oil concessions in Al Ruwais, Habshan, and Asab.
• Sharjah & Northern Industrial Belts: Sharjah Industrial Areas 1 through 18, Sajaa Industrial Oasis, Hamriyah Free Zone, Ajman Jurf, Ras Al Khaimah (Al Hamra & Al Ghail), Fujairah, and Umm Al Quwain.