Engineered for Every Detail.
Inside the KD Series™ 60–600 kW: precision-built components, tested for performance, endurance, and safety.
Diesel Generator Sales UK
Power You Can Trust
A complete range of Rehlko diesel generators available to buy throughout the UK
Rehlko diesel generators at an affordable price, delivered fast
We sell a wide range of generators, from single units to gensets rated from 6kVA to 4500kVA. Whatever your requirements we will select and install (if required) one that is perfect for you! We offer high quality honestly priced products ranging in size from 10kVA to 4.5MVA.
Our sales team will work closely with you so we understand your requirements fully, including how much power is needed (both under normal running conditions and under heavy load) and other factors such as noise level limits and site access constraints. Whether your project is large or small, domestic, commercial or industrial, we can help with the best advice in the business and the experience in the generator industry dating from 1983.
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Why buy from WB Power Services/Rehlko?
Whether it’s a simple generator purchase, or you’re looking for expert help putting together a large multi generator installation, from initial enquiry to final delivery, our dedicated and experienced Sales team will work with you to thoroughly understand your requirements. They will identify and install the best solution for you, delivering with reliability, expertise and value for money.
Superior products manufactured in Europe
Our range of Rehlko generators offer unrivalled back-up and emergency power. Using high quality engine components and parts which are all manufactured in Europe, our generators have proven time and time again that they are reliable, efficient and offer excellent value for mone
Honest prices
With so many different generator distributors, resellers and manufacturers in the marketplace, it’s easy to lose focus on what you need. That’s why Rehlko make it our mission to always offer an exceptional product, sold at an honest price.
Quick delivery with in-house logistics
Rehlko have an extensive fleet of Hiab lorries, 4×4 vehicles and trailers, ready and available to deliver and offload your generator quickly. As soon as you’re ready, we’ll deliver.
Expert help and advice
We will work with you to thoroughly understand your requirements. Working alongside our in-house sales team, we will identify exactly what generator your need. Depending on what your requirement, our projects team can the install and test the generator for you too.
Our Sales Services
Our in-house sales specialists will listen to your specific needs to create a bespoke package, suited to your particular requirements.
Over 100 Rehlko diesel generators available
No matter what you’re trying to power, we can find a generator which suits your requirements. You may be looking to power equipment, a building or a temporary event – whatever it is we can find the appropriate solution. With Sales team members located across the UK, we’re never far away if you’re looking for help. Below is a selection of our generator range, which boasts over 100 different generators.
Data Centres
We are proud to work with some of the UK’s largest data centres, providing every kind of emergency, standby and backup critical power solution, from individual sets to hyperscale multi-set synchronous packages totalling over 120MVA.
Our experienced, in-house project management team will work closely with you to install and commission the best critical power solution for your exact needs.
You can rely on us to consider everything, including civil work, transformers, control and switch gear, AMF and synchronous controls, generator sizing and power capabilities, UPS (Uninterruptible Power Supply), acoustic, exhaust gas systems, emissions control and complete fuel solutions.
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Education
Whether your education facility needs a permanent power solution, a temporary hire solution or a generator maintenance package tailored to your needs, we have the expertise to help.
Our maintenance, projects and generator hire teams enjoy keeping the UK’s education facilities at full operational capacity. They use their expertise and long experience to maintain critical infrastructures for network connectivity, as well as the crucial power systems that keep students, staff and visitors safe.
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Utilities
Our experienced critical power teams will identify and implement the best power solution for your utilities facility, whether you are bringing a new site online, need additional power for your existing infrastructure, or require emergency generator hire/maintenance. This includes backup, emergency and standby power solutions.
We are proud to work with some of the UK’s largest Distribution Network Operators (DNO’s) and water companies, offering emergency standby power, critical power installations and generator maintenance for hundreds of utility sites across the United Kingdom.
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Construction
We provide adaptable, customized power solutions to help you complete your construction project on schedule and on budget. We can assist, whether your location need a long-term power solution, rental generators, or a dependable maintenance plan.
Our professionals are aware that flexibility is essential when it comes to construction. Some tasks might take longer to complete than others, and some might need more power. You are in good hands if you choose to collaborate with our us. We pay close attention to your needs and base our work on them. On-site, we’ll guarantee that any issues are rectified within 2-4 hours, with a mobile engineering team always close at hand.
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Healthcare
We are proud to be trusted by healthcare facilities around the UK. Our specialist in-house team are dedicated to delivering critical power solutions to hospitals, doctors surgeries and walk-in centres across the entire breadth of the United Kingdom.
We can work directly with NHS Trusts or with third-party contractors and consultants. Our experts will manage your project from initial specification all the way to commissioning, making sure you always get the most cost effective, efficient solution.
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Telecommunications
We have extensive experience working in the telecommunications industry, so we understand the unique power requirements of telecommunications companies and media broadcasters.
Whether your facility is looking for a permanent back-up power supply installation, a temporary power supply from a hire set, or a bespoke generator maintenance package for your incumbent power supply, we can help. We provide power solutions including generator sales and hire for telecommunications companies, installation and maintenance, including emergency, backup, standby power supplies. Generators include diesel and hybrid generators. We are the UK’s largest supplier of Rehlko (formerly Kohler) generators.
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Defence & Military
We recognise and respect the unique role of our nation’s military services and defence facilities. Our expert in-house team have the depth of knowledge that is needed to design bespoke power and maintenance packages to suit your needs. We will always listen closely to your requirements and take your budget allocation and other demands in to account.
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Events
We are proud to be the chosen power solutions provider for prestigious events around the UK. Our specialist experts have extensive experience working with the events industry, from multiple huge music festivals welcoming hundreds of thousands of people, to small drive-in cinemas or community event, we have a strong understanding of the sector’s power requirements. Whether you are looking for efficient maintenance, hired generators or a permanent power solution, you can rely on us.
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Manufacturing
We understand that manufacturing businesses cannot afford to have power outages. Even a few minutes of downtime could have serious consequences for your business and supply chain. That is why we offer a comprehensive power package for manufacturing, whether it’s a permanent installation for emergency power outages, a hired set if you’ve experienced a power outage, or a maintenance package for your incumbent generator/UPS, we’ve got you covered.
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Need more help?
Buying a generator can be a daunting buying process to navigate, especially if it’s not your field of expertise. To give our buyers confidence in their decision and enable them to be more informed when talking to our (or any) sales team, we have put together a number of useful resources which will help you on your journey.
5 REASONS TO INVEST IN A DIESEL GENERATOR
Investing in a standby diesel generator is usually an excellent decision for businesses who rely heavily on IT technology or machinery. Find out why!
JARGON BUSTER
Tired of all the technical jargon? Not sure what it all means? Read and download our jargon buster document to make sense of all the industry terms.
WHAT SIZE GENERATOR DO I NEED?
Do you have any idea what size generator you need? There are a lot of factors which need to be considered, before making the decision. Find out what they are by reading our article.