Ultimate Guide to Used Diesel Generators | Buy & Sell FAQs

Where can I buy used generators in the UK?

You can buy high-quality used diesel generators through specialist platforms such as Used Generator Trader, which offers a wide range of fully tested generators across the UK. View available stock on our Used Generators for Sale UK page.

How do I choose the right generator size?Choosing the correct generator depends on your power requirements, application type, and whether the unit is for standby or continuous use. For guidance, visit our Buy Used Diesel Generators UK page where the process is explained in detail.

Can I sell my used generator?

Yes, Used Generator Trader provides a fast and reliable way to sell your generator. You can submit your details and receive a valuation through our Sell Your Used Generator UK page.

Are Perkins generators a good choice?

Perkins generators are widely regarded as reliable and efficient, with strong parts availability and long service life. Learn more on our Used Perkins Generators UK page.

What can a 100 kVA generator power?

A 100 kVA generator is suitable for small businesses, farms, and light industrial applications. For full details, see our 100 kVA Used Generators page.

What is a 500 kVA generator used for?

A 500 kVA generator is typically used for large commercial buildings, industrial sites, and infrastructure projects. More information is available on our 500 kVA Used Generators page.

What is a silent diesel generator?

A silent or acoustic generator is enclosed to reduce noise levels, making it suitable for urban or sensitive environments. Learn more on our Silent Diesel Generators UK page.

What are industrial generators used for?

Industrial generators are designed for heavy-duty and continuous power applications such as factories and construction sites. Visit our Industrial Generators UK page for more details.

Can generators be exported from the UK?

Yes, many generators can be prepared for international shipment with the correct documentation. See our Exporting Generators from the UK page for guidance.

What is the best place to buy used generators in the UK?

The best place to buy used generators is a specialist supplier with verified stock and industry expertise. Used Generator Trader is a dedicated platform designed for this purpose. Learn more on our Best Place to Buy Used Generators UKpage.

General information about a Used Generator

1. What does Used Generator Trader do?
   We specialise in connecting buyers and sellers of quality used diesel generators across the UK and international markets.

2. Do you sell both new and used generators?
   Our platform primarily focuses on used generators, but we may occasionally list new surplus or ex-demo stock.

3. Is there a minimum or maximum size generator you list?
   We typically list generators from 10 kVA up to multi-megawatt power plants.

4. Where are the generators located?
   Generators are located across the UK and internationally, with location details provided on each listing.

5. Do you offer site surveys or power assessments?
   Yes. We can arrange site surveys and load assessments to help you select the right generator.

Buying a Used Generator

1. How can I buy a used generator from your website?
   Browse available listings, submit an enquiry form, or contact us directly to reserve or negotiate a purchase.

2. Can I inspect a generator before buying?
   Yes. In most cases, we can arrange site visits to inspect and witness generator testing.

3. Are all generators fully tested before sale?
   Yes. Every generator is load tested and inspected prior to dispatch.

4. Do the generators come with a warranty?
   Used generators typically come with a basic 30- to 90-day parts warranty. Full terms vary per listing.

5. Can I finance my generator purchase?
   Finance options may be available on request for UK-based buyers. Enquire for details.

Selling a Used Generator

1. How do I sell my generator on Used Generator Trader?
   Submit your generator details through our Sell Your Generator page, and we’ll get in touch to list it.

2. What types of generators do you buy or list?
   We deal in all major brands including Perkins, Cummins, FG Wilson, CAT, Volvo, and more, from 10 kVA to 3000+ kVA.

3. How is my generator valued?
   We assess age, condition, brand, usage hours, and market demand to provide a fair valuation.

4. Do you charge listing fees?
   No. We only earn when we successfully sell your generator—our commission is built into the final price.

5. How long does it take to sell a generator?
   It depends on the unit’s condition, brand, and pricing. Some sell within days, others may take longer.

Logistics & Delivery of a Used Generator

1. Can you arrange delivery of the generator?
   Yes. We offer UK-wide and international delivery using trusted freight partners.

2. Do you offer international shipping?
   Yes. We ship globally and can provide CIF or FOB pricing and help with export documentation.

3. How long does delivery take?
   UK delivery is typically within 2–5 working days. International lead times vary based on destination and customs.

4. Can you help with generator installation?
   Yes. We offer full installation, commissioning, and load testing services upon request.

5. What are your delivery terms (Ex Works, FOB, etc.)?
   Delivery terms are agreed per order. Most listings are priced Ex Works unless otherwise stated.

Technical & Maintenance a Used Generator

1. Do you offer generator servicing and repairs?
   Yes. We offer planned maintenance, emergency repairs, and full diagnostics.

2. Do you provide ATS panels or changeover systems?
   Yes. We supply and install automatic transfer switches and control panels tailored to your needs.

3. Can you upgrade control panels or install remote monitoring?
   Absolutely. We offer upgrades to Deep Sea, ComAp, and remote monitoring solutions.

4. Do you offer fuel polishing or tank cleaning services?
   Yes. These services are available for sites with stored diesel to ensure fuel quality and uptime.

5. Can you relocate or decommission a generator?
   Yes. We handle safe relocation, decommissioning, and recommissioning of diesel generators across the UK.

Compliance & Support for a Used Generator

1. Do your generators meet UKCA or CE requirements?
   Some units do. Where applicable, listings will state UKCA or CE compliance. Always confirm if required for your site.

2. What documentation is provided with the generator?
   We supply service history (where available), load test reports, and ownership documents.

3. Can I get help choosing the right generator size?
   Yes. Our team can help calculate your load profile and recommend a suitable generator.

4. Do you supply spare parts or consumables?
   Yes. We stock filters, belts, battery chargers, and key spares for most generator brands.

5. Do you offer 24/7 support for critical systems?
   We offer emergency callouts and 24/7 support contracts for critical backup power systems.

• 6. Are your generators suitable for export or tropical conditions?
Yes. We can advise on suitability for export environments, including cooling upgrades and tropical kits.