Half Engine Generator Prices in Nigeria (June 2024)

Buying a generator to meet your power supply needs is just the beginning of your journey. As some experts will say, buying the generator isn’t a challenge, maintaining it is where you have the most work. Not properly maintaining your generator will make it deteriorate, deliver inefficient power supply, and eventually, pack up.

One way to maintain your generators is to run periodic overhauls of the engine. Doing this improves the life expectancy, torque, horsepower, sound, and overall performance of the generator. There are different types of overhauls you can carry out on generators with the most common being replacing half the engine.

How much does half engine generator cost in Nigeria? What does it mean to change the half engine and what does the process entail? Continue reading this post as it will provide sufficient insight into these issues.

Half Engine Generator Prices in Nigeria

Half Engine Generator Prices in Nigeria

You don’t just decide to replace half of your generator’s engine. It is your generator mechanic that suggests that you take this step. Usually, they suggest this option when they notice that something is wrong with your generator engine that regular maintenance procedures cannot fix.

When asked to purchase a half engine for your generator, you first need to find out the price before making your decision. If the cost of your generator’s half-engine is almost as high as a new one, why not take the pain to purchase a new generator altogether?

The issue is that finding out the prices of half-engine generators isn’t so easy. This is why we had to survey the market on your behalf to find out the latest prices of the different generator half engines available. Check out the list below to find out the prices:

  • Firman sfe440 half engine: From ₦225,000
  • Thermocool generator 8 KVA half engine:  From ₦485,000
  • Kemage Auto Generator 9 x 5 KVA with Remote half engine: From ₦450,000
  • Sumec Firman Half Engine SFE-390 From ₦379,000
  • Sumec Firman Half Engine SFE-270E:From ₦262,000
  • Sumec Firman Sfe200e Half Engine: From ₦183,000
  • Sumec Firman Half Engine SFE-160: From ₦155,000
  • SHalf Engine- Sumec Firman Half Engine-SFE460: From ₦474,000
  • Half Engine- Sumec Firman Half Engine- SFE200E: From ₦183,000
  • Half Engine- Sumec Firman Half Engine – SFE440E: From ₦424,000
  • Sumec Firman Half Engine SFE-160: From ₦155,000
  • Sumec firman half engine SFE-200: From ₦177,000
  • SFE 390 half Engine Generator: From ₦379,000
  • Half Engine Generators SFE440E : From ₦424,000
  • Tigmax SFE200 Half Engine: From ₦177,000


You can purchase these products from a trusted generator spare part dealer in your locality. Alternatively, you can check online stores like Olist, Konga, and Jiji for your generator half engine. If you are not sure what type to purchase, we suggest that you speak to your generator mechanic to help you out. The prices of these products aren’t stable due to several factors like inflation, government policies, and economic challenges. We will keep watching the market and update this post with the latest prices once we notice any.

Explaining Generator Half Engine Repair

Many times, when a generator mechanic suggests “generator half engine repair” we scarcely have an idea of what they mean. All we know is that we need to purchase a “half engine” for our generator. We don’t understand the benefit or what the process entails. To help you get out of the dark, we have added this section to this post.

Let’s begin by answering this question, “what is generator half engine repair?” This process is a type of engine rebuilding in which the engine is first removed and then disassembled to replace certain parts. These parts include the piston rings, bearings, engine block, connecting rod, crankshaft, oil seals, and gasket.

The mechanic carries out a final inspection process after changing the half engine to check the condition of the generator before re-assembling the engine. Now that you have an idea of what it means to carry out a generator half-engine repair, let’s split the process into modules for easier understanding.

Module 1 – Disassembly

Here, the mechanic removes the generator engine through a list of sequential steps. They drain the oil and clean it properly.

Module 2 – Cleaning and Refinishing

In this stage, the mechanic carefully removes different parts of the engine. They place these parts into groups and clean them before chrome plating. Note that the mechanic removes any part of the engine that they feel is completely damaged.

Module 3 – Inspection and Preparation

Here, the mechanic checks the generator engine to diagnose any possible problems. As such, they look out for bad parts, cracks, and leakages. After inspecting the engine, the mechanic cleans the parts again to prepare them for the final reassembly.

Module 4 – Reassembly

This stage is the longest as it requires the mechanic to fit in the different parts carefully. They must ensure that nothing is left out. The reassembly must be carried out in reverse sequential order of how the disassembly was carried out.

Module 5 – Testing

Now that the mechanic has put the generator together with the new half engine, they can test it. This test is necessary to be sure that the generator is working perfectly.

How Do You Know Your Generator Needs a “Half Engine?”

Carrying out frequent engine checkups and servicing saves you from generator engine problems. Several factors can result in engine problems requiring changing half of your generator’s engine. Some of these factors include:

  • Broken thermostat and water pump
  • Clogged Heater Core
  • Damaged Oil Pump
  • Low Level of Oil
  • Thick Engine Oil

If you can avoid all these factors, you may never need to change your generator’s half engine. However, if you experience any of these problems, then you likely have to carry out a half engine repair on your generator:

  • Excessive Oil Consumption
  • Excessive White Smoke
  • Knocking Noise
  • Loss of Power
  • Vibrating
  • Worsening Gas Mileage