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Used 1000kVA Generator for Sale in Nigeria: What to Check First

A used 1000kVA generator can cost much less than a new set and still carry a heavy load, but condition varies more than the advert suggests.

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Industrial diesel generator set in an outdoor enclosure

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The hour meter is only one signal. Check how the unit was run, how it was serviced and whether it has been standing idle, because idle sets deteriorate too.

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Your budget range
Preferred brand and maximum acceptable running hours
Open set, soundproof canopy or containerised
Delivery location and required date
Whether an on-site inspection or test run is required

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What to Check Before You Buy

Run hours on the controller, compared with the general wear of the set
Cold start, smoke colour and oil pressure at idle and at load
Alternator output voltage, frequency and stability under load
Leaks at the radiator, fuel lines and engine seals
Condition of the control panel, breaker and wiring
Service history and the last major overhaul date

Ask the Supplier For

A load test on site, ideally on a load bank
Original documents and a clear statement of any rebuilds
Photos of the data plate for engine and alternator
A written warranty period, even a short one

1000kVA Reference

About 800 kW of real power at 0.8 power factor
About 1391 A per phase at 415 V
About 156 litres of diesel per hour at 75% load

Frequently Asked Questions

How many running hours is acceptable on a used 1000kVA generator?

It depends on the engine and how the set was maintained. As a rough guide, many buyers prefer well-serviced units well below the engine's major overhaul interval, and a short test run is better than a number alone.