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Portable Diesel Generator Hire

Combine the superior fuel economy of diesel with the convenience of compact mobility through our portable diesel generator hire.
  • Short Notice Hire
  • Competitive pricing, no fuss quote
  • Expert support for help and advice

Quick and easy portable diesel generator hire

Designed specifically for demanding commercial trade sites, agricultural applications, and remote railway work, our professional portable diesel generator rental fleet brings heavy-duty site power into a highly manoeuvrable format. These rugged systems bridge the gap between small petrol units and large towable plant machines, giving you commercial-grade power that fits through a standard garden gate or onto a utility trailer. Our mobile generator hire options cater perfectly to varied project lengths, providing cost-effective daily rates, weekly project pricing, and heavily discounted long-term industrial rates. Our expert team is always available to ensure the correct sizing of your generator for complex inductive tool loads, and every machine leaves our depot backed emergency cover and absolute field reliability.

Key features of our rental portable diesel generators

  • Heavy-duty wheeled trolley frames fitted with integrated lifting eyes for easy site positioning.
  • Highly economical direct-injection diesel engines that drastically lower daily running costs.
  • Full multi-voltage output configurations including standard 110V site sockets and 230V options.
  • Extended-run, heavy-duty steel fuel tanks that minimize the need for frequent site refuelling.
  • Robust brushless alternators that easily handle the heavy starting inrush currents of industrial tools.
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Why choose Hampshire Generators for portable diesel generator hire?

  • Industrial-Grade Quality – We feature only premium, heavy-duty brands engineered for harsh site environments.
  • Site Safety Compliance – Fully equipped with standard earth leakage protection and dual-voltage safety outputs.
  • Rapid Regional Dispatch – Quick, dependable delivery for clients searching for portable generator rental near me.
  • Expert Fleet Matching – Our trained staff match your precise tool surge requirements to the best diesel unit.
  • Comprehensive Support – Bulletproof mechanical cover keeps your commercial crews productive all day long.

We're here to help.

If you have any questions or need advice on your purchase, don’t hesitate to get in touch with our friendly team.

What size portable diesel generator do you need?

To prevent site tripping, your generator must handle the high starting currents common in heavy-duty commercial equipment. Contact our industrial specialists to calculate your combined site loads and select the right mobile unit.

  • Short Notice Hire
  • Competitive pricing, no fuss quote
  • Expert support for help and advice

FAQs about our Portable Diesel Generator Hire

Why should I select a portable diesel generator hire over a standard petrol model?

The right choice depends on how and where the generator will be used. Portable diesel generators are often preferred for commercial, industrial, and site applications where equipment needs to operate for long periods or under heavier loads. Compared to petrol models, diesel generators are typically more fuel efficient during extended operation and are designed to cope with demanding workloads. They are commonly used on construction sites, infrastructure projects, and temporary power installations where reliability is essential. If you're unsure whether a diesel or petrol generator is the better fit for your requirements, our specialist team can assess your intended usage and recommend the most suitable option.

Where can I find a dependable portable generator rental near me for site work?

Choosing the right portable generator starts with understanding the power requirements of your equipment and the conditions on site. Different applications may require different power outputs, voltage configurations, or fuel types. Hampshire Generators serves the local area directly, providing fast delivery and support to construction sites, maintenance projects, temporary facilities, and other commercial locations. Our specialist team can help identify the most suitable portable generator based on your power demands and site requirements. Having access to expert advice before hiring helps ensure the equipment performs reliably throughout the project.

What type of emergency cover is included with your portable generators for rent?

Our emergency cover includes technical telephone support from experienced engineers who can help diagnose and resolve common operational issues quickly. If a problem cannot be resolved remotely, we can arrange additional assistance, including engineer attendance or replacement equipment where appropriate. The exact response will depend on the nature of the issue and the operational requirements of the site. This support helps minimise downtime and provides reassurance that assistance is available throughout the hire period if needed.

Are these mobile generator hire units equipped with standard site-safe sockets?

Yes. Most portable site generators are equipped with industry-standard socket configurations designed to work with commonly used site equipment and tools. Our units feature standard yellow 110V and blue 230V industrial sockets, making them suitable for powering a wide range of construction, maintenance, and temporary site equipment. Using the correct socket configuration helps improve compatibility while supporting safe operation on site. If you have specific connection requirements, our team can advise on the most suitable generator and distribution setup.

Can these units run continuously for an extended overnight shift?

Many portable diesel generators are specifically designed for long-duration operation and are commonly used for overnight projects, temporary site power, and other applications where power is required for extended periods. Actual run times will depend on factors such as generator size, fuel tank capacity, and the electrical load being applied. Heavier loads will typically result in higher fuel consumption and shorter run times between refuelling. Our team can help determine the most suitable generator for your operating hours and power requirements, ensuring you have sufficient capacity and fuel availability to support your project.

Have any question on the Portable Diesel Generator Hire?

If you have any further questions or need advice on your purchase, please don't hesitate to get in touch with our friendly team.

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