Best Diesel Power Generator Deals - Top 10 in April 2025

Last Update: 04. April 2025
1
Best Choice
9.9
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 Brand Weight
Red/Black Excel Power Generators 164 kg
£1,46999
Amazon
Show Deal
2
Best Value
9.9
AIVOLT
TODAY 12% OFF!
£489.99 (12% DISCOUNT!)

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 Brand Weight
Orange AIVOLT 23 kg
£42999
Was: £489.99 -12%
Amazon
Show Deal
3
9.8

  • 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 Brand Weight
Copper Warrior Power Equipment -
£1,39999
Amazon
Show Deal
4
9.7
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 Brand Weight
Yellow,black Champion Power Equipment 17.6 kg
£39999
Amazon
Show Deal
5
9.6
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 Brand Weight
Orange,black maXpeedingrods 21 kg
£54999
Amazon
Show Deal
6
9.5
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 Brand Weight
Red,black,silver,teal Senci 117 kg
£1,29000
Amazon
Show Deal
7
9.5
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 Brand Weight
Black and Orange T-Mech -
£1,14999
Amazon
Show Deal
8
9.4
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 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 Brand Weight
Black T-Mech 154 kg
£1,12999
Amazon
Show Deal
9
9.3
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 Brand Weight
Copper Warrior Power Equipment 168 kg
£1,29999
Amazon
Show Deal
10
9.2
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 Brand Weight
Black Grey AFERIY 22 kg
£1,19900
Amazon
Show Deal

* 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. 

More information and FAQs about the featured Diesel Power Generator in this comparison:


Technical Details
Colour Orange
Brand AIVOLT
Weight 23 kg
Advantages
  • Portable
  • Ultra quiet
  • Pure sine wave
  • Suitable for camping and jobsites
FAQs about AIVOLT 3300W Petrol Inverter Generator 4 Stroke Portable Generator for Camping, Jobsites - Pure Sine Wave, Ultra Quiet-149cc Engine, 4.2L Fuel Tank
What is the maximum power output of the AIVOLT 3300W Petrol Inverter Generator?
The AIVOLT 3300W Petrol Inverter Generator has a maximum power output of 3300W.
Is the generator suitable for camping?
Yes, the AIVOLT 3300W Petrol Inverter Generator is portable and designed for camping purposes.
Does the generator produce pure sine wave power?
Yes, the AIVOLT 3300W Petrol Inverter Generator produces pure sine wave power, making it suitable for sensitive electronic devices.
What is the fuel tank capacity of the generator?
The AIVOLT 3300W Petrol Inverter Generator has a fuel tank capacity of 4.2 liters.
Is the generator engine noisy?
No, the AIVOLT 3300W Petrol Inverter Generator is ultra-quiet during operation.
Technical Details
Colour Copper
Brand Warrior Power Equipment
Weight -
Advantages
  • Wireless remote
  • Electric start
  • Quiet running
  • Long run time
FAQs about Warrior 6.25kVa Diesel Generator with Wireless Remote, 186cc Engine, 5500 Max Watts, Electric Start, 16L Tank & 12-Hour Run time, Quiet Running at 68dBA & Soundproof Canopy, AVR for Safe Running
How long does the generator run on a full tank of fuel?
The Warrior 6.25kVa diesel generator has a 12-hour run time on a full 16L tank of fuel.
Is the generator easy to start?
Yes, the generator has an electric start feature for easy starting.
What is the maximum wattage output of the generator?
The Warrior 6.25kVa diesel generator has a maximum wattage output of 5500 watts.
How quiet is the generator when running?
The generator runs at a quiet 68dBA noise level.
Does the generator have automatic voltage regulation (AVR)?
Yes, the generator is equipped with AVR for safe running and to protect connected appliances.
Technical Details
Colour Yellow,black
Brand Champion Power Equipment
Weight 17.6 kg
Advantages
  • Lightweight
  • Portable
  • Quiet
  • True Sine Wave
  • Easy to start
FAQs about Champion Power Equipment 92001i 2200 Watt Petrol Portable Inverter Generator - 240V, 79cc Engine, 4.0L - The Mighty Atom - Super Lightweight, True Sine Wave, EZ Start, Ultra Quiet
What is the running wattage of this generator?
The Champion Power Equipment 92001i has a running wattage of 1800 watts.
How much does the generator weigh?
The generator weighs approximately 44 pounds, making it super lightweight and portable.
Is the generator suitable for sensitive electronic devices?
Yes, the generator provides a true sine wave output, making it safe for use with sensitive electronics.
Does the generator have an electric start?
Yes, the Champion Power Equipment 92001i features an easy start with push-button electric start.
How loud is the generator during operation?
The generator is ultra quiet, producing noise levels of around 53 decibels, ideal for camping or other quiet environments.
Technical Details
Colour Orange,black
Brand maXpeedingrods
Weight 21 kg
Advantages
  • Portable
  • Silent
  • Pure Sine Wave
  • Suitable for camping
  • Ideal for RV travel
FAQs about maXpeedingrods 3300W Portable Inverter Generator Petrol Silent Pure Sine Wave Generator for Camping, RV Travel, Home, or Jobsites
What is the wattage of the maXpeedingrods portable inverter generator?
The maXpeedingrods portable inverter generator has a wattage of 3300W.
Is the maXpeedingrods generator petrol-powered?
Yes, the maXpeedingrods generator is petrol-powered.
Does the generator produce pure sine wave power?
Yes, the maXpeedingrods generator produces pure sine wave power.
Can I use the generator for camping or RV travel?
Yes, the maXpeedingrods generator is suitable for camping and RV travel.
Is the generator silent during operation?
Yes, the maXpeedingrods generator is designed to be silent during operation.
Technical Details
Colour Red,black,silver,teal
Brand Senci
Weight 117 kg
Advantages
  • Electric start
  • High power output
  • Diesel fuel efficient
  • Reliable backup power
FAQs about Senci SC8000C- Diesel Generator Electric Start 7000W
What is the fuel capacity of the Senci SC8000C Diesel Generator?
The fuel capacity of the Senci SC8000C Diesel Generator is 16 liters.
Does the Senci SC8000C Diesel Generator have an electric start feature?
Yes, the Senci SC8000C Diesel Generator has an electric start feature.
What is the power output of the Senci SC8000C Diesel Generator?
The Senci SC8000C Diesel Generator has a power output of 7000W.
Can the Senci SC8000C Diesel Generator be used for residential purposes?
Yes, the Senci SC8000C Diesel Generator can be used for residential purposes.
Is the Senci SC8000C Diesel Generator noise level acceptable for outdoor use?
Yes, the Senci SC8000C Diesel Generator is designed for outdoor use with an acceptable noise level.
Technical Details
Colour Black and Orange
Brand T-Mech
Weight -
Advantages
  • Portable
  • Diesel
  • Electric Start
  • Emergency Power
  • Tool Kit
FAQs about Portable Diesel Generator Open Frame ATS Electric Start 5kVA Three Phase 10HP 6.3kW 230 / 400V Emergency Power AC DC Output Powder Coated Steel 12.5L Fuel Capacity 77dB 4 x 8" Wheels Tool Kit & Funnel
What is the power output of this generator?
This generator has a power output of 5kVA or 6.3kW.
What is the fuel capacity of this generator?
The fuel capacity of this generator is 12.5 liters.
Does this generator have an electric start?
Yes, this generator has an electric start feature.
What is the noise level of this generator?
The noise level of this generator is 77dB.
Does this generator come with wheels and a tool kit?
Yes, this generator comes with 4 x 8" wheels and a tool kit.
Technical Details
Colour Black
Brand T-Mech
Weight 154 kg
Advantages
  • Reliable
  • Portable
  • Electric Start
  • Emergency Power
  • Easy Transport
FAQs about Silent Diesel Generator Single Phase ATS 230V 6kVA 6500W 13HP 115V / 230V Electric Start Closed Frame Emergency Power 4 Portable Wheels Black Powder Coated Steel 20L Fuel Capacity Tool Kit & Funnel
What is the fuel consumption of this generator?
The fuel consumption of this generator is approximately 3.5 liters per hour.
Can this generator be used for sensitive electronic devices?
Yes, this generator is designed with a clean power output suitable for sensitive electronic devices.
Does the generator come with an automatic transfer switch (ATS)?
Yes, this generator is equipped with a Single Phase ATS for automatic power transfer.
What is the noise level of this generator?
The noise level of this generator is approximately 70 dB at a distance of 7 meters.
What is the warranty period for this generator?
This generator comes with a 1-year warranty for manufacturer defects.
Technical Details
Colour Copper
Brand Warrior Power Equipment
Weight 168 kg
Advantages
  • Powerful
  • Electric start
  • Long run-time
  • Quiet running
FAQs about Warrior 6.25kVa Diesel Generator – 186cc Engine, 5500 Max Watts, Electric Start, 16L tank with 12-hour run-time, Quiet Running at 68 dBA & Soundproof Canopy, AVR for Safe Running, Heavy-Duty Frame
What is the maximum wattage of the Warrior 6.25kVa Diesel Generator?
The Warrior 6.25kVa Diesel Generator has a maximum wattage of 5500 watts.
Does the generator have an electric start feature?
Yes, the Warrior 6.25kVa Diesel Generator comes with an electric start function.
How long can the generator run on a full tank?
The generator has a 16L tank and can run for approximately 12 hours on a full tank.
What is the noise level of the generator during operation?
The Warrior 6.25kVa Diesel Generator runs at a quiet 68 dBA.
Does the generator have an Automatic Voltage Regulator (AVR)?
Yes, the Warrior 6.25kVa Diesel Generator is equipped with an AVR for safe running.
Is the generator built with a heavy-duty frame?
Yes, the Warrior 6.25kVa Diesel Generator features a heavy-duty frame for durability.
Technical Details
Colour Black Grey
Brand AFERIY
Weight 22 kg
Advantages
  • Portable
  • Powerful
  • Quick charging
  • Versatile usage
  • Long warranty
FAQs about AFERIY Portable Power Station 2400W, 2048Wh Power Station LiFePO4 Backup Battery, Quick Charge in 1.5H, 240V AC Outlets, UPS, Solar Generator, Electric Generator for RV / Camping / Home, 7-Year Warranty
What is the capacity of the AFERIY Portable Power Station?
The AFERIY Portable Power Station has a capacity of 2048Wh.
How long does it take to fully charge the power station?
The power station can be fully charged in 1.5 hours using the quick charge feature.
Does the AFERIY Portable Power Station have AC outlets?
Yes, the power station has 230V AC outlets that can be used for various devices.
Can the power station be used as a UPS (Uninterruptible Power Supply)?
Yes, the AFERIY Portable Power Station can be used as a UPS to provide backup power during outages.
What is the warranty period for the AFERIY Portable Power Station?
The power station comes with a 7-year warranty.

General information you should know about Diesel Power Generator:


A diesel power generator is a reliable and efficient source of backup electricity. Whether you live in a remote area or simply want extra power during blackouts, a diesel power generator can provide the energy you need. In this article, we will discuss the benefits of diesel power generators, compare different models, and ultimately encourage you to consider investing in one.

Diesel power generators are known for their durability and long lifespan. Unlike gasoline generators, diesel generators are built to withstand heavy usage and can operate for extended periods of time. This makes them ideal for both residential and commercial use. Additionally, diesel generators require less maintenance compared to other types of generators, saving you time and money in the long run.

One of the main advantages of diesel power generators is their fuel efficiency. Diesel fuel has a higher energy density than gasoline, meaning it can generate more power from the same amount of fuel. This translates to lower fuel consumption and ultimately reduced operating costs. Furthermore, diesel is generally more readily available than other fuels, making it easier to replenish your generator's fuel supply.

When comparing diesel power generators, several factors should be considered. Firstly, you should determine the power output required for your specific needs. Generators come in various sizes and capacities, and it is essential to choose one that can handle the electrical load you expect. Secondly, pay attention to the noise level produced by the generator. Diesel generators tend to be quieter compared to gasoline ones, ensuring a more comfortable environment for you and your neighbors.

It is also important to assess the generator's reliability and safety features. Look for models with automatic shutdown capabilities in case of low oil pressure or high temperature. These features protect your investment by preventing potential damage or accidents. Additionally, consider the generator's portability and ease of use. Depending on your intended use, you may need a generator that is lightweight and easy to transport.

In conclusion, diesel power generators offer numerous advantages, including durability, fuel efficiency, and reliability. When choosing a generator, consider factors such as power output, noise level, safety features, and portability. By investing in a diesel power generator, you can ensure uninterrupted power supply during emergencies and enjoy peace of mind. Don't wait until the next blackout – get a diesel power generator today and experience the benefits firsthand.