Overhauling

Generator overhauling restores performance, efficiency, and reliability. Our expert team provides comprehensive inspection, cleaning, part replacement, and testing to extend equipment life and prevent unexpected failures. Trust us for professional, timely overhauls that keep your power systems running smoothly.

Top Overhauling

What Is Top Overhauling?

Top overhauling is the process of servicing the upper part of a diesel engine — mainly the cylinder head, valves, and injectors — without removing the, pistons or crankshaft.

When Does Your Generator Need a Top Overhaul?

Your generator may need top overhauling if:

It starts with difficulty

It makes unusual noises or vibrates

You notice black, blue, or white smoke from the exhaust

It uses more fuel or oil than usual

Minor Overhauling

Minor overhauling means checking and repairing the top parts of the engine, like the pistons, cylinder head, valves, and injectors, without opening the full engine block or crankshaft.

When Does Your Generator Need a Minor Overhaul?

Minor overhauling is recommended after extended operating hours or when your generator shows signs of:

Your generator has run 5,000 to 10,000 hours

It is using more fuel or oil than normal

Liner piston jammed

There is black, blue, or white smoke from the exhaust

It makes strange noises or shakes

It is hard to start

Major Overhauling

Major overhauling is a complete engine rebuild. It involves fully disassembling the diesel engine, inspecting all internal parts, replacing worn-out components, and restoring the generator to “like-new” condition.

When Is Major Overhauling Needed?

You may need a major overhaul when:

Loss of power output

Crankshaft and main bearing jammed

Overheating

Oil pressure is low or unstable

The generator has run 10,000 to 30,000 hours (varies by brand)

Excessive smoke (black, white, or blue)

High lube oil consumption

We stock diesel generators for sale in a variety of power outputs to meet every requirement