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Diesel Generators Resources

Explore South Africa’s most comprehensive resource for diesel generators. From expert buying guides and sizing tips to pricing comparisons and maintenance advice, Generator King helps homes, farms, and businesses find the right backup power solution. Discover the best diesel generators for sale, compare top brands like SDEC and Baudouin, and learn how to integrate generators with solar systems for reliable, uninterrupted power — day or night.

Generator FAQ, TIPS & TRICKS and technical resources

Diesel Generator Guides

Welcome to Generator King’s Diesel Generators Knowledge Hub, your ultimate resource for backup power solutions in South Africa. Whether you’re looking for diesel generators for home use, industrial power systems, or guidance on diesel generator prices, you’ll find expert advice, practical guides, and detailed comparisons right here.

Our hub covers everything from SDEC and Baudouin generator reviews to solar integration tips, maintenance schedules, and installation best practices. We make it easy to choose the right generator for your needs, whether it’s for load shedding backup, farm operations, or business continuity.

How Climate Impacts the Performance of Diesel Generators: De-rating for Heat and Altitude

When you buy a diesel generator, the “KVA” rating on the box is measured under “Standard Reference Conditions” (typically at sea level and 25°C). However, South Africa’s unique geography, from the scorching heat of the Northern Cape to the high altitudes of Gauteng, means your generator might not actually deliver its full labelled power once […]

how do backup generators work?

How Do Backup Generators Work? A Step-by-Step Guide to Manual and Automatic Modes

Understanding how your generator operates from the moment the lights flicker to the second the engine shuts down is essential for ensuring the longevity of your machine and the safety of your property. While all diesel generators perform the same ultimate task, the operational cycle varies significantly depending on whether you have a manual or […]

What Are the Main Components of a Diesel Generator?

A diesel generator, whether an SDEC, FAW or Baudouin model is a highly engineered machine where mechanical, electrical, and electronic systems work in perfect unison. Understanding the main components of a diesel generator is vital for troubleshooting, identifying spare parts, and ensuring your backup power solution remains in peak condition. A generating set, or “genset,” […]

How Standby Generators Work: The Automated Solution to Backup Power

For businesses and homeowners who cannot afford a minute of downtime, manually operating a portable generator is simply not an option. The solution is the standby generator, a robust, permanently installed system designed to provide seamless backup power South Africa without any human intervention. Unlike smaller manual units, a standby generator, such as our SDEC, […]

Generator Sizing Guide. What Size Generator do I need.

The Definitive Generator Sizing Guide: How to Calculate Your Backup Power Needs

When investing in a diesel generator for sale, no step is more critical than correctly determining the required size. Sizing your unit accurately ensures you have sufficient backup power South Africa during load shedding while keeping your running costs at an optimised level. An incorrectly sized generator—whether too small or drastically too large—will be inefficient, costly, and can even damage your equipment.

Where to Position Your Diesel Generator. Where to Install a Diesel Generator.

Where to Position Your Diesel Generator: Safety, Compliance, and Cost Factors

When investing in a reliable diesel generator for sale, the unit's quality (like our FAW, SDEC or Baudouin models) is only half the solution. The other half is safe, compliant installation. Knowing where to position your diesel generator is the critical first step that determines long-term safety, adherence to local by-laws, and the total installation cost.

Products

The best diesel generator sets

GKSD-25

SDEC 23 kVA

This three phase diesel generator is ideal for small business, solar and commercial applications

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GKB-22S

Baudouin 20kVA

This single phase diesel generator is ideal for home and small business and solar integration applications

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GKO3-55

FAW 50kVA

This three phase diesel generator is ideal for business applications and light industrial environments

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GKB-110

Baudouin 100kVA

This three phase diesel generator is ideal for business applications

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GKV-550

Volvo 500kVA

This three phase diesel generator is ideal for business and industrial applications

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GKB-275

Baudouin 250kVA

This three phase diesel generator is ideal for business and industrial applications

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Akhona Thabethe

Stephan provided us with very excellent service👌 he’s also friendly

Carika Langeveldt

I recently had the pleasure of dealing with Dyllan at Generator King, and I am pleased to share that the service I received fully met my expectations. Dyllan was very efficiency throughout the process, with excellent knowledge and a strong commitment to customer satisfaction. The entire experience was smooth and well-coordinated, and I would not hesitate to recommend Generator King based on the quality of service provided.Thank you Dyllan.

I received very good service from JC. He went beyond servicing explaining many details I should have received when I bought the generator. A pleasure to deal with him.

We would like to extend our sincere appreciation for the excellent service we consistently receive.Brandley Diedericks has been outstanding. Whenever we request quotations, he responds promptly, professionally, and with a clear understanding of our needs. His efficiency and reliability make working with him an absolute pleasure.Dyllan Van Der Merwe from the logistics department has also been exceptional. He provided proactive updates on departure times, transit progress, and on-site feedback — all without us ever having to ask. His communication allowed us to keep our clients fully informed, and we could trust him to engage with them directly on our behalf.The level of service delivered by both Brandley and Dyllan is the reason we will continue to do business with your company. They represent your brand with excellence.

legae botshabelo

Stephan i am very happy about the job and your service which you have done on my Generator I am very pleased because I saw that you knew what you were doing even if you changed the other parts and replace you explained everything in detail keep the good work I wish you all the best in your job thanks.

Excellent service from day one. All questions answered promptly and professionally.

JC was very professional and polite. He gave a detailed explanation of the problem we had and fixed it and also made recommendations on how to keep our generator operating optimally. He is really exceptional and knowledgeable

Excellent and quick response