24/7 UAE DISPATCH Turnkey Diesel Generator Rental • 50 kVA to 2500 kVA • Emergency Response <60 Mins Across 7 Emirates
Certified Pre-Owned • 100% Load-Bank Tested • Instant Buyback

Used & Refurbished Generator Buy & Sell

Used Generators for Sale & Buyback UAE | Refurbished Power Sets with Warranty

Buy load-tested refurbished diesel generators with warranty in Dubai and UAE. Certified pre-owned Cummins, Perkins, and Caterpillar units from 30 to 1500 kVA. Instant cash buy-back and fleet trade-ins for contractors.

One Supplier
Power, Cables & Fuel
Itemized Quotes
Zero Hidden Surcharges
24/7 Mechanics
On-Site Rapid Support
Rapid Dispatch
60–120 Min UAE SLA
Used & Refurbished Generator Buy & Sell in UAE
Verified UAE Fleet ISO 8528 Certified
Factory Engine Partners: Cummins (USA/UK) Perkins (UK) Caterpillar (CAT) Kohler Power Systems Stamford & Leroy Somer Alternators Deep Sea Electronics (DSE)
Equipment Categories

Commercial & Industrial Power Solutions

Select your equipment class for immediate mobilization across Dubai, Abu Dhabi, Sharjah, and all Northern Emirates.

20 – 60 kVA 16 – 48 kW

Portable & Compact Power

Acoustic canopy units tailored for site offices, small retail pop-ups, security gates, and dewatering pumps.

Noise: 65–68 dBA @ 7m • Fuel: 5–14 L/hr
60 – 150 kVA 48 – 120 kW

Mid-Range Silent Generators

Ideal for tower cranes, concrete vibrators, medium civil construction, hospital standby, and hospitality events.

Noise: 68–70 dBA @ 7m • Fuel: 14–33 L/hr
150 – 500 kVA 120 – 400 kW

Heavy-Duty Acoustic Gensets

Built for heavy infrastructure, batching plants, commercial towers, marine drydocks, and industrial manufacturing.

Noise: 70–73 dBA @ 7m • Fuel: 33–105 L/hr
500 – 1250 kVA 400 – 1000 kW

High-Capacity Containerized

Engineered for district cooling plants, chillers, deep well dewatering, and high-voltage grid support installations.

Noise: 72–75 dBA @ 7m • Fuel: 105–260 L/hr
1 MW to 50 MW Grid-Scale

Synchronized Power Plants

Modular multi-megawatt synchronized power plants with Deep Sea load-sharing, step-up transformers (11kV/33kV), and bulk fuel farms.

Redundancy: N+1 Continuous • Uptime: 99.99% SLA
Buy & Sell Site Offices

Used & Scrap Portacabins

Instant cash purchase of scrap & used portacabins across UAE. Turnkey sale of high-grade refurbished modular site offices.

Cash Offers: Same-Day • Logistics: Free Crane Removal

Service Scope & Technical Engineering Specifications

Looking for a cost-effective alternative to purchasing new equipment without compromising on operational reliability? Generator Dubai is the UAE's trusted specialist in used and refurbished diesel generator sales, purchases, and instant cash buyback. From 30 kVA up to 1500 kVA, every pre-owned generator in our inventory undergoes a rigorous 80-point engineering overhaul and complete resistive load-bank certification inside our Sharjah testing facility, backed by our comprehensive warranty.

100% Load-Bank Certified with Written Warranty

We never sell untested equipment. Every refurbished generator is coupled to our industrial resistive load bank and tested at 100% rated capacity for 2 hours, verifying oil pressure, temperature stability, and alternator voltage regulation under simulated desert heat.

Instant Cash Buyback for Surplus Contractor Fleet

Completed your civil project and have surplus diesel generators or decommissioned site equipment? We offer fair market evaluations, instant bank transfer payment, and provide our own crane trucks to safely remove equipment from your site anywhere in the UAE.

Our 80-Point Refurbishment & Inspection Protocol

Inspection Phase Critical Mechanical / Electrical Tests Parts Replacement Standard Quality Sign-Off
1. Engine Compression & Boroscope Individual cylinder compression test, internal boroscope inspection of liner walls & pistons New piston rings, rod bearings, or complete re-ring if compression is <90% Certified Passed
2. Fuel & Air Induction Systems Fuel injection pump pressure calibration, injector pop testing, turbocharger shaft play check New Fleetguard filters, ultrasonic injector cleaning, rebuilt turbo seals Certified Passed
3. Cooling Radiator & Water Flow Chemical flushing of radiator tubes, pressure testing under 15 PSI, water pump impeller audit New silicon hoses, high-temp thermostats, fresh OAT heavy-duty coolant Certified Passed
4. Alternator & Electrical Testing 1000V Megger insulation resistance test, rotating diode bridge test, AVR voltage stability check Re-varnished Class H windings if insulation <5MΩ, brand new SX460/MX321 AVR Certified Passed
5. Acoustic Canopy Restoration Sandblasting of surface rust, industrial zinc-primer recoating, sound-dampening foam replacement New door gaskets, stainless lock latches, fresh weather-resistant polyurethane paint Certified Passed

Frequently Asked Questions

Do you offer a warranty on refurbished used generators? ▼
Yes. All certified refurbished generators sold by Generator Dubai come with a written 3-month to 12-month mechanical and electrical warranty (or 500 to 1,000 running hours), including on-site service support.
How do you calculate the purchase value of my used generator? ▼
We assess the engine brand (Cummins, Perkins, and CAT retain the highest resale value), total hour-meter reading, canopy physical condition, alternator health, and current UAE market demand. Our technicians provide same-day valuation and instant cash or bank transfer payment.
Engineered Standards

Technical Features & Equipment Specifications

Certified Pre-Owned Fleet: 30 kVA to 1500 kVA Genuine Cummins, Perkins & CAT Gensets
Rigorous 80-Point Overhaul Protocol: Engine compression, fuel pump calibration & alternator megger test
100% Resistive Load-Bank Tested: Every unit load-tested for 2 hours under full capacity prior to sale
Written Warranty Coverage: 3 to 12 Months Warranty with on-site technician service support
Instant Cash Buyback & Fleet Trade-In: Highest market valuation for surplus contractor equipment
Turnkey Crane Logistics: Safe on-site removal and crane transport across all 7 Emirates
Commercial Advantages

Why UAE Contractors Trust Our Fleet

40% to 60% Cost Savings: Heavy-duty industrial reliability at a fraction of brand-new prices
Immediate Equipment Availability: In-stock units ready for same-day delivery without factory lead times
Risk-Free Purchase: Load test certificates provided with every unit; view live load testing in our yard
Hassle-Free Asset Liquidation: Convert idle surplus equipment into immediate cash liquidity
How It Works

Our 4-Step Turnkey Rental Process

1

Load Sizing & Feasibility Audit

Our electrical engineers calculate your starting and running inrush currents to recommend the exact kVA rating without over-sizing.

2

Rapid Dispatch & Logistics

Our fleet of crane hiab trucks transports the generator, external fuel tanks, and cabling to any site in Dubai, Abu Dhabi, or Sharjah within 60–120 minutes.

3

Cabling & Commissioning

Certified technicians terminate flexible copper power cables, test earth rod grounding (<5 ohms), connect ATS panels, and verify voltage balance.

4

24/7 Monitoring & Fuel Delivery

We handle continuous 250-hour oil/filter servicing, fuel telemetry refills, and provide 24/7 on-site mechanical emergency support.

UAE-Wide Fleet Coverage

Depot Hubs & 2-Hour Dispatch Across All 7 Emirates

With operational yards located in Al Quoz, JAFZA, Musaffah, and Sharjah Industrial, we guarantee rapid equipment dispatch and emergency technician response to all UAE zones: