The 10 Best Offers for Diesel Power Generator - January 2026

Last updated: 31. January 2026
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1
Best Choice
10.0
Monster Shop
Save £50.00 Today!
£1,299.99 (4% OFF!)

  • 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 single-phase generator and it’s incredible 6kVA 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
Orange T-Mech -
£1,24999
Was: £1,299.99 -4%
Amazon
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2
Best Value
9.9
Save £11.56 Today!
£15.00 (77% OFF!)

3
9.8
maXpeedingrods
Save £11.50 Today!
£229.99 (5% OFF!)

  • 【Multifunction Power Supplier】4-stroke petrol generator produces 3500W max watts and 3200W running watts. It is easily able to keep the lighting system or a small family house, power air conditioners and many other small appliances such as refrigerators,coffee machine at the same time.
  • 【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.
  • 【Multi-Function Display】Easy to monitor voltage and frequency power; display remaining fuel, which is suitable for timely fuel change; display cumulative runtime, which is suitable for later generator maintenance; display unique runtime, perfect timer function.
  • 【Lightweight and Powerful Motor】Only 26 kg, small and compact, easy to carry, 223 cc OHV motor with two 230 V ports and a 12 V DC connector, provides plenty of power for multiple tasks.
  • 【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 26 kg
£21849
Was: £229.99 -5%
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4
9.7
MondoTunes

5
9.6
maXpeedingrods
Save £113.02 Today!
£549.99 (21% OFF!)

  • 【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
£43697
RRP: £549.99 -21%
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6
9.5
maXpeedingrods
Save £95.02 Today!
£379.99 (25% OFF!)

  • 【Multifunction Power Supplier】The MXR2350 4-Stroke OHV inverter generator produces 2000W peak watts and 1800W running watts, it is ideal for camping, festivals, tailgating, caravans and home power backup. And two generators can be used in parallel to double your output.
  • 【Digital Display Meter】The panel is equipped with a digital display screen to monitor the data and information in real time. It helps you clearly understand the display voltage, frequency, single running time, and accumulated running time.
  • 【Portable and Lightweight】Thanks to its compact construction, this generator weighs 15 KG. Designed with a handle, it is extremely lightweight and easy to carry.
  • 【Provide Clean Power】 It can provide safe, high-quality power for sensitive devices without affecting their service life. For example, it can directly charge mobile phones, laptops, cameras and other digital devices.
  • 【Brand Warranty】Maxpeedingrods warrants all inverter generators against manufacturing defects under normal use for a period of 2 years from the date of retail purchase by the original end user ("Warranty Period") and provides free lifetime technical support and after-sales service
Colour Manufacturer Weight
- maXpeedingrods 16.7 kg
£28497
RRP: £379.99 -25%
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7
9.4
Newnes
Save £52.60 Today!
£315.00 (17% OFF!)

8
9.3
MondoTunes

9
9.2
ICON Group International, Inc.

10
9.1
ICON Group International, Inc.


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.

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