The 10 Best Offers for Diesel Power Generator - April 2025
Last updated: 04. April 2025
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1
Best Choice
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Excel Power
- Starting Watts – 6000W / Rated Watts – 5500W
- Three-phase (400V) and single-phase (240V)
- Electric key start
- Equipped with an AVR alternator
- 73 dBA at 7 metres
- 73 dBA at 7 metres
| Colour | Manufacturer | Weight |
| Red/Black | Excel Power Generators | 164 kg |
£1,46999
2
Best Value
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
AIVOLT
Save £60.00 Today!
£489.99
(12% OFF!)
Free Delivery**
- True Sine Wave Power - This inverter generator has a powerful 149cc 4 stroke OHV air-cooled 100% copper winding engine which can produce 3300W maximum watts and 3000W continuous watts steady clean power (less than 3% THD) with very low fuel consumption. Ideal for sensitive electronics such as phones, laptops.
- Eco Mode & Long Runtime - A fully fueled 4.2L tank will provide you consistent power for up to 8 hours making the generator extremely economical. It runs 4.5 hours at 50% load（1500W）, 3 hours at 75% load（2250W）, 2.5 hours at 100% load. In Eco-mode, it even runs more time and prolongs generator‘s life. Perfect for camping, RV travel, caravan, motorhome and jobsites.
- Multifunction Control Panel with 5-in-1 LCD Multi-Meter - The outstanding design features bright orange appearance and multifunctional panel including parallel connectability, 2 standard 230v 3 pin sockets, 2 USB charging ports(type-A & type-C), a 12v DC charging outlet, a digital display meter. Suitable for caravans, lighting systems, car refrigerator and many large outdoor appliances.
- Ultra Lightweight & Low Noise - Weighs only 23kg, the labor-saving and ergonomic handle is very easy to lift. When the generator is at 25% load, it comes with 61 decibels noise at 23 feet that is comparable to the sound of a normal conversation.
- The package contains: 1*3300W petrol generator, 1*spark plug wrench, 1*oil funnel, 1*12V DC battery charging cable, 1* screw driver, 1* quick start guide, 1*manual.
| Colour | Manufacturer | Weight |
| Orange | AIVOLT | 23 kg |
£42999
Was: £489.99
-12%
3
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
- Advanced Performance: The new and improved Warrior model features increased power and a fully compliant EU5 standard engine with a brushed copper alternator, ensuring steady motor speed for reliable performance at 5500 maximum watts and 5000 running watts for high power
- Enhanced Convenience: Equipped with a range of features including Automatic Voltage Regulator (AVR) for smooth output monitoring, Wireless Remote Start, and 3-in-1 Intelli Voltmeter for easy operation and control.
- Quiet and Durable: Enclosed in a soundproof canopy with chip-resistant matt finish, the generator's heavy-duty industrial frame provides full protection. Anti-vibration mountings ensure smooth operation, while the key start facility adds convenience.
- Long-Lasting Run Time: With a fully fuelled 16-litre tank, this Warrior generator can run for up to 12 hours at 50% load, perfect for a variety of applications including domestic, construction, catering, and industrial use.
- Ultimate Portability: Featuring wheels for easy transport and a remote start function, this Warrior generator is designed for maximum convenience whether you're on-site or at home. Fitted with a 12v battery charging outlet and 240v and 110v single-phase output sockets for added versatility.
| Colour | Manufacturer | Weight |
| Copper | Warrior Power Equipment | - |
£1,39999
4
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Monster Shop
- Enclosed by a soundproof canopy, you can be sure this powerful diesel generator will keep noise to a minimum, so it doesn’t disturb you, your neighbours, or employees when in operation.
- With a built-in ATS, this is a generator you can rely on to supply you with back up power almost at an instant to keep your home or business running smoothly. An optional electric start system allows you to effortlessly turn on the generator manually should you wish to.
- A fully fuelled 20L tank will provide you with consistent power for up to 16 ½ hours making the generator extremely economical.
- Power multiple devices at once with this high-performance three-phase generator and it’s incredible 6.5kVA maximum output.
- Fitted with 4 heavy duty 4” wheels and a sturdy handle, this compact machine is extremely easy to transport allowing you to manoeuvre it as required whether on a permanent site or on the move.
| Colour | Manufacturer | Weight |
| Black | T-Mech | 155 kg |
£1,29999
5
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Champion Power Equipment
Free Delivery**
- Superior power & features - Our Champion Power Equipment 92001i Range of Invertor Generators offer both superior power and outstanding performance. These Inverters are offered in multiple fuel types, are Super-Lightweight and are packed with many great features including True Sine Wave Technology, EZ Start, LED Indicators, , Parallel Connectability, Multiple Outlets and USB Charging
- Super lightweight & ultra quiet operation - Weighing in at only 17.6Kg, and only 44 x 28.5 x 44.5cm in size, the Mighty Atom is the World's lightest 2kW Inverter Generator meaning that it is both extremely lightweight and portable. The device is also extremely quiet during operation at only 58 dBA.
- Reliable champion 2200w petrol engine - The Invertor Generator has an EZ Start and comes with a 2200 Maximum Watt (1900 Running Watts) 79cc Petrol Engine that will run up to 10.5 hours on a 4.0 Litres full tank (at 25% load). There is also a handy LED Indicator and Economy Mode to save on fuel as well as an Automatic Oil Shut Off Sensor and 500ml Oil Capacity.
- True sine wave invertor technology - This technology makes this generator ideal for sensitive electronics such as computers, laptops and TV. Perfect for your next camping trip or powering small household items like fridges/freezers, power tools, lighting units & garden equipment. This inverter has parallel capability allowing you to pair up with other Champion Inverters using an optional Parallel Kit.
- Includes power outlets & usb adapter - Included with the device are 2 covered 240V 13A Power Outlets and a handy 12v DC USB Adapter you can use to power your phone, laptop, tablet, or similar device. The Parallel Kit (Sold Separately) allows you to pair this up to another Champion inverter for double the power.
| Colour | Manufacturer | Weight |
| Yellow,black | Champion Power Equipment | 17.6 kg |
£39999
6
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
maXpeedingrods
Free Delivery**
- 【Multifunction Power Supplier】 Quiet and fuel efficient 4 stroke 145cc petrol generator produces 3300W max watts and 3000W running watts. It is easily able to run the lighting system, RV or a small family home. And run a huge range of high-power appliances such as an air conditioner with 6000 BTU cooling capacity, refrigerators, kettles, and even more appliances at the same time.
- 【Low noise】When the generator is in ECO mode at 25% load and is 7m away from the generator, the noise level is 58 decibels. which is almost the quietest generator of this rated power. At this noise level, there is little disturbance for users and people nearby. Please note that ambient noise may affect the overall value of the noise of the machine.
- 【Extra Long Runtime】Runs 8.3 hours at 25% load (750w load) 、4.5 hours at 50% load (1500w load). In ECO mode, the runtime can be extended up to 10-12 hours. Guaranteed power supply overnight.
- 【Provide Clean Power】This inverter technology provides more steady power, produces clean power to safely operate and prevent damage to sensitive electronics such as phones, tablets, televisions and computers.
- [Brand Warranty] Maxpeedingrods warrants all the inverter generators against defects in workmanship under normal use for a period of 2 years from the date of retail purchase by the original end-user purchaser ("Warranty Period"), and free lifetime technical support and customer service.
| Colour | Manufacturer | Weight |
| Orange,black | maXpeedingrods | 21 kg |
£54999
7
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Senci
- Coupled with superior quality Senci alternator.
- Electric start with 3 in 1 display for Voltage, Frequency and Hour.
- Unique muffler with spark arrestor, lower noise and more environmentally friendly.
- Low oil alert shuts down engine automatically when low oil is detected.
- Large 18L fuel tank
| Colour | Manufacturer | Weight |
| Red,black,silver,teal | Senci | 117 kg |
£1,29000
8
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Monster Shop
- With an ATS included, this is a generator you can rely on to supply you with back up power almost at an instant to keep your home or business running smoothly. An optional electric start system allows you to effortlessly turn on the generator manually should you wish to.
- A fully fuelled 12.5L tank will provide you with consistent power for up to 14 hours making the generator extremely economical.
- Power multiple devices at once with this high-performance three-phase generator and it’s incredible 5kVA maximum output.
- Fitted with 4 heavy duty 8” wheels and sturdy fold in/ out handles, this compact machine is extremely easy to transport allowing you to manoeuvre it as required whether on a permanent site or on the move.
- Built using powder coated steel, the frame is extremely strong and durable to protect the powerful 10HP engine. Although an open design, the generator is remarkably quiet at just 77dB at a 7m range.
| Colour | Manufacturer | Weight |
| Black and Orange | T-Mech | - |
£1,14999
9
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
Warrior Power Equipment
- Advanced Performance: The new and improved Warrior model features increased power and a fully compliant EU5 standard engine with a brushed copper alternator, ensuring steady motor speed for reliable performance at 5500 maximum watts and 5000 running watts for high power
- Enhanced Convenience: Equipped with a range of features including Automatic Voltage Regulator (AVR) for smooth output monitoring, Wireless Remote Start, and 3-in-1 Intelli Voltmeter for easy operation and control.
- Quiet and Durable: Enclosed in a soundproof canopy with chip-resistant matt finish, the generator's heavy-duty industrial frame provides full protection. Anti-vibration mountings ensure smooth operation, while the key start facility adds convenience.
- Long-Lasting Run Time: With a fully fuelled 16-litre tank, this Warrior generator can run for up to 12 hours at 50% load, perfect for a variety of applications including domestic, construction, catering, and industrial use.
- Ultimate Portability: Featuring wheels for easy transport and a remote start function, this Warrior generator is designed for maximum convenience whether you're on-site or at home. Fitted with a 12v battery charging outlet and 240v and 110v single-phase output sockets for added versatility.
| Colour | Manufacturer | Weight |
| Copper | Warrior Power Equipment | 168 kg |
£1,29999
10
Our rankings are created by artificial intelligence (AI) from the algorithmic analysis of hundreds of thousands of customer reviews on products, brands, the level of service of the retailers, as well as popularity trends and much more. The ranking reflects our opinion and should be a good starting point for your purchase.
AFERIY
- [Fast Charging in Just 1.5 Hours]: AFERIY’s portable power station P210 supports 4 charging methods, including 220V-240V AC input (1100W) and combined AC + 500W solar input, achieving a full charge in only 1.5 hours. Charging with AC alone takes just 2 hours, and you can also use a car charger or solar panel independently. Equipped with MPPT technology, it optimizes power intake for efficient charging, even in variable weather.
- [High Capacity with Advanced Safety Features]: Powered by 2048Wh LiFePO4 batteries, this generator provides stable, high-capacity power with 220V-240V AC output using a pure sine wave. Integrated with a Battery Management System (BMS), it continually adjusts voltage and temperature, guarding against overcharging, over-discharging, and short circuits, ensuring safe and reliable power for your devices.
- [High Efficiency & Broad Compatibility]: AFERIY’s portable power station offers 13 output ports for simultaneously charging up to 13 devices. With a compact design (39.8cm x 28cm x 31.5cm) and weighing 22kg, it functions as a UPS, seamlessly switching to backup power in under 10ms during an outage, protecting valuable data from interruptions.
- [Over a Decade of Use]: Built for long-lasting durability, this generator is ideal for camping and RV trips, with LiFePO4 batteries offering over 3500 charge cycles—up to 10 years of use. An LCD screen provides real-time status updates, and the LED light features three modes (continuous, flashing, SOS) to support various situations.
- [Comprehensive Package & Extended Warranty]: AFERIY’s 2400W power station includes a 5-year warranty (extendable to 7 years at no extra cost) and lifetime after-sales service. The package includes: 1x power station, 1x AC charging cable (UK standards), 1x MC4-XT90 cable (60cm), 1x user manual, 1x tool bag, and 1x protective cover. Note: Solar panels and car charging cables are sold separately.
| Colour | Manufacturer | Weight |
| Black Grey | AFERIY | 22 kg |
£1,19900
General information about Diesel Power Generator:
Advantages and Applications of Diesel Power Generators
Diesel power generators are widely used in various industries and settings due to their numerous advantages. These generators are powered by diesel engines and can provide a reliable and efficient source of electricity. Here, we will discuss the advantages and applications of diesel power generators.
Advantages:
1. Durability and Longevity: Diesel engines are known for their robustness and durability. They are built to withstand heavy loads and continuous use, making diesel power generators highly reliable and long-lasting. With proper maintenance, these generators can operate for several decades, making them an excellent investment.
2. Fuel Efficiency: Diesel engines are more fuel-efficient compared to gasoline engines. This means that diesel power generators consume less fuel to generate the same amount of power, resulting in lower operational costs. Additionally, diesel fuel is often cheaper and more readily available in many regions, which further contributes to cost savings.
3. High Power Output: Diesel generators are capable of producing high power outputs, making them suitable for applications that require a substantial amount of electricity. From powering construction sites and industrial facilities to providing backup power for hospitals and data centers, diesel generators can handle heavy electrical loads effectively.
4. Easy Maintenance: Diesel engines are relatively simple in design, making them easier to maintain compared to other types of engines. They have fewer parts, and their cooling systems are air-based, eliminating the need for water pumps or radiators. This simplicity translates into lower maintenance costs and reduced downtime for repairs.
5. Reliability: Diesel power generators are highly reliable and can start up quickly during power outages. This is especially crucial for critical applications where uninterrupted power supply is essential. Diesel engines are known for their quick response time, ensuring that essential operations can continue without disruption.
Applications:
1. Construction Sites: Diesel generators are commonly used in the construction industry to power various equipment, including heavy machinery, lighting systems, and tools. Their ability to provide reliable and high-power output makes them indispensable on construction sites where grid power may not be readily available.
2. Healthcare Facilities: Hospitals, clinics, and other healthcare facilities rely on diesel generators to ensure a continuous power supply during emergencies or power outages. These generators provide electricity for critical operations, such as life support systems and medical equipment, helping to save lives.
3. Industrial Settings: Industries often require a stable and robust power source to run machinery, production lines, and other processes. Diesel generators meet these demands by delivering a reliable and efficient power supply for extended periods. They are commonly utilized in manufacturing plants, refineries, mining operations, and other industrial settings.
4. Telecommunications and Data Centers: Uninterruptible power supply is crucial for telecommunications networks and data centers to avoid disruptions in communication and data storage. Diesel power generators provide the necessary backup power to ensure continuous operation, safeguarding vital information and maintaining connectivity.
5. Residential and Commercial Buildings: Diesel generators are also commonly used in residential and commercial buildings as a backup power source. They provide electricity during grid failures, ensuring that essential services such as lighting, heating, and refrigeration are not interrupted.
In conclusion, diesel power generators offer numerous advantages such as durability, fuel efficiency, high power output, and reliability. They find applications in construction sites, healthcare facilities, industrial settings, telecommunications, and residential and commercial buildings. Their ability to provide a stable and uninterrupted power supply makes them an essential component in various industries, ensuring smooth operations even during power outages.
* the possibly used term "best" etc. refers only to our possibly subjective personal opinion.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.
Other IMPORTANT INFORMATION that we ask you to take note of:
We may receive a commission if you make a purchase via the links on our site. This has no impact on the placement of the products on our site. Our website is part of amazon associates program - Amazon, Amazon Prime, the Amazon Logo and Amazon Prime Logo are registered trademarks of Amazon, Inc. or its affiliates.
Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.
** "Free Delivery" means that this is possible under the given conditions at the time of data retrieval from the relevant provider, but cannot be guaranteed. It is technically not possible to provide information in real-time. The shipping costs may vary under certain circumstances (different provider, place of delivery, etc.). The shipping costs shown in the further ordering process apply.
Other IMPORTANT INFORMATION that we ask you to take note of:
We may receive a commission if you make a purchase via the links on our site. This has no impact on the placement of the products on our site. Our website is part of amazon associates program - Amazon, Amazon Prime, the Amazon Logo and Amazon Prime Logo are registered trademarks of Amazon, Inc. or its affiliates.
Disclaimer:
1. The prices shown may have risen since the time we last updated them.
2. The actual price of the product on the seller’s site at the time of purchase will govern the sale.
3. It is not technically possible for the prices displayed above to be updated in real-time.