24/7 Emergency Support

Generator Repair Service Karachi & Pakistan

Minimize downtime with Pakistan’s most reliable generator repair service. From minor fixes to major overhauls, our OEM-certified engineers get you back online fast.

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Services

Why Choose DEC?

Engineering Excellence You Can Trust

We don't just fix problems; we find the root cause. Our approach combines advanced diagnostics with genuine parts to ensure long-lasting repairs.

Rapid Response: 24/7 emergency call-out service across Karachi and major cities.
OEM Standards: Repairs performed strictly according to manufacturer specifications.
Genuine Parts: We stock original parts for Perkins, Cummins, CAT, and more.
Warranty: All major repairs come with a workmanship guarantee.

Our Repair Capabilities

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Advanced Diagnostics

Computerized fault finding for Deep Sea, ComAp, and Woodward controllers.

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Major Overhauls

Complete top and major engine overhauls with precision machining.

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Alternator Services

Rewinding, AVR replacement, and bearing changes for all alternator brands.

Comprehensive Repair Services

Covering every system of your diesel generator.

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Electrical & Controls

Troubleshooting ECUs, wiring harnesses, sensors, and control panel upgrades.

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Fuel Systems

Injector testing, fuel pump calibration, tank cleaning, and fuel line repairs.

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Cooling Systems

Radiator flushing, water pump replacement, and thermostat checks to prevent overheating.

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Battery & Charging

Self-starter repairs, battery charging alternator fixes, and battery replacement.

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Preventive Maintenance

Scheduled oil changes, filter replacements, and comprehensive health checks.

Advanced Engineering

Diesel Engine Overhaul

Our team specializes in complete engine overhauls for Perkins, Cummins, Caterpillar, and Volvo engines. We follow strict OEM specifications to restore your engine's performance to factory standards.

Complete dismantling and cleaning
Precision component measurement
Cylinder head reconditioning
Fuel system calibration
Load testing after assembly

Our Repair Process

1️⃣

Diagnostics

We inspect the unit and identify the root cause of the failure.

2️⃣

Quote

You receive a transparent estimate for parts and labor.

3️⃣

Repair

Our engineers execute the repair using genuine parts.

4️⃣

Testing

We load test the generator to ensure it's ready for duty.

Frequently Asked Questions

❓Do you offer emergency services?

Yes, we have a 24/7 emergency response team available for critical breakdowns in Karachi and surrounding areas.

❓Do you use genuine parts?

Absolutely. We prioritize genuine OEM parts to ensure the longevity and reliability of your equipment.

❓Can you repair old generators?

Yes, we have expertise in repairing older models and can often source or refurbish hard-to-find parts.

❓Do you offer warranty on repairs?

Yes, we provide a standard warranty on workmanship and parts (terms depend on the specific job).