The 10 best Diesel Generators

HYUNDAI

Hyundai 7.5kVA / 5.8kW Diesel Generator, 230V & 400V Max Power, Electric Start, Long Runtime, White, Portable Backup Power Generator

• ⇅ No. 1 in the comparison · Score 9.9/10 (Excellent)
• ↗ Now £1,521.99
• ● Auf Lager – In stock

Compact yet powerful: With a long run standby generator from Hyundai offers either switchable 230v single phase or 400v 3-phase voltages. This generator is ideal for workshops, garages and home use.

Technical details

Colour

White and Black

Manufacturer

Hyundai

Size

DHY8000SELR-T

Quantity

1

Dimensions

73.9 × 54.1 × 91.9 cm

Product features

• Compact yet powerful: With a long run standby generator from Hyundai offers either switchable 230v single phase or 400v 3-phase voltages. This generator is ideal for workshops, garages and home use.
• Quiet Generator: Housed in silenced casing, an extremely quiet machine and will keep disturbance to a minimum for you, your family or your employees when powering your building. With a sound rating of 70dB @ 7 metres.
• Fuel Type & Run Time: The large 25L fuel tank increases running time to a maximum of 30 hours, powered by a 4-stroke, air-cooled 456cc single cylinder Hyundai diesel engine, the DHY8000SELR-T has a maximum output of 5.8kW / 7.25kVA.
• Economical to Run: Using roughly 1L of diesel every hour. Since the generator can run on red diesel, which is significantly cheaper than the white diesel you put into your car, running costs can be kept to a minimum.
• An ATS (Automatic Transfer Switch) sold separately: Can be connected to an ATS system for maximum convenience. When the ATS module - detects a loss of power from the mains supply it starts your generator up automatically and switches the supply from mains to generator

HYUNDAI

Hyundai Standby Diesel Generator Electric Start, Single Phase, Long-Run Backup Generator, 25L Fuel Tank, AVR, ATS Compatible, 30hr Runtime, 70dB Quiet Operation

• ⇅ No. 2 in the comparison · Score 9.6/10 (Excellent)
• ↗ Now £1,355.99 was £1,416.99
• ● Auf Lager – In stock

Long-Run Backup Power - The Hyundai 5.8kW Diesel Generator with a large 25L diesel tank, boosting the maximum running time of this standby diesel generator to 30 hours of backup power.

Technical details

Colour

White and Black

Manufacturer

Hyundai

Size

DHY8000SELR

Quantity

1

Weight

158.00 kg

Dimensions

73.9 × 54.1 × 91.9 cm

Product features

• Long-Run Backup Power - The Hyundai 5.8kW Diesel Generator with a large 25L diesel tank, boosting the maximum running time of this standby diesel generator to 30 hours of backup power.
• Silenced Generator for minimum disruption: Housed in silenced casing makes this a very quiet machine and won’t disturb you, your family or your employees when powering your building. With a sound rating of 70dB @ 7 metres you will seldom hear the generator while it’s at work.
• ATS & Electric Start Ready: Compatible with ATS (sold separately) for automatic startup during outages. A key-operated electric start ensures quick manual control.
• Diesel Engine: Powered by a 4-stroke, air-cooled D452 Hyundai diesel engine, this backup generator has a maximum output of 5.8kW. It features the same AVR alternator which produces clean energy.
• Economical & Durable – The diesel generator is economical to run, using roughly 1L of diesel every hour. Since the this can run on red diesel, which is significantly cheaper than the diesel you put into your car making extra savings over long run times, the perfect back-up solution.

WITKOWSKI

8.5 kVA Diesel Generator, 230V/400V Emergency Power Unit with AVR KDE8500DP | WITKOWSKI Electric start, ATS connection, remote control, copper winding, 16L tank; for home, workshop & construction site

• ⇅ No. 3 in the comparison · Score 9.4/10 (Very good)
• ↗ Now £1,250.00
• ● Nur noch wenige auf Lager – Only 1 left in stock.

Powerful Diesel Generator – This backup generator delivers up to 8.5 kVA and is suitable for 230V and 400V equipment in homes, workshops, agricultural settings, or on construction sites.

Technical details

Manufacturer

WITKOWSKI

Quantity

1

Weight

155.00 kg

Dimensions

620.0 × 730.0 × 1,050.0 cm

Product features

• Powerful Diesel Generator – This backup generator delivers up to 8.5 kVA and is suitable for 230V and 400V equipment in homes, workshops, agricultural settings, or on construction sites.
• Reliable Starting, Even in Winter – Electric start, a 36Ah battery, glow plugs, and a decompression system make it easy to start the diesel generator, even in low temperatures.
• Stable Voltage via AVR – The integrated voltage regulator ensures a more consistent power supply during fluctuating loads, making the generator highly versatile.
• ATS-Ready – Equipped with a microprocessor, electric valve, and connection socket, the generator is prepared for an automatic backup power setup using an optional ATS module.
• Robust and Practical Design – Features such as copper windings, a brushless alternator, a 16L fuel tank, transport wheels, a remote control, and a display ensure convenience, control, and long-lasting durability.

T-Mech

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

• ⇅ No. 4 in the comparison · Score 9.3/10 (Very good)
• ↗ Now £1,249.99
• ● Auf Lager – In stock

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.

Technical details

Colour

Orange

Manufacturer

Monster Shop

Quantity

1

Dimensions

55.1 × 93.0 × 75.9 cm

Product features

• 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.

HYUNDAI

Hyundai Silenced Standby Diesel Generator 5.2kW/ 6.5kVA, Electric Start & Single Phase Low noise sound attenuated canopy with large 13L fuel tank

• ⇅ No. 5 in the comparison · Score 9.1/10 (Very good)
• ↗ Now £1,246.80
• ● Auf Lager – In stock

Reliable Hyundai Power: powered by our Hyundai D400E 10hp single cylinder engine. Producing a max output of 5.2kW / 6.5kVA*. The generator has 1 x 115V 16amp, 1x 115V 32amp and 1 x 230V 32amp sockets. You can easily switch between 110V / 230V using the switch on the control panel.

Technical details

Colour

White and Black

Manufacturer

Hyundai

Size

DHY6000SE

Quantity

1

Weight

152.00 kg

Dimensions

91.9 × 52.1 × 75.9 cm

Product features

• Reliable Hyundai Power: powered by our Hyundai D400E 10hp single cylinder engine. Producing a max output of 5.2kW / 6.5kVA*. The generator has 1 x 115V 16amp, 1x 115V 32amp and 1 x 230V 32amp sockets. You can easily switch between 110V / 230V using the switch on the control panel.
• Ease Of Use: Features electric start and a convenient digital control panel which displays the frequency, voltage and total run time. Keeping on top of the required services is easy when monitoring the hours on the pane
• Silenced Operation: Part of the Hyundai silent range so is a quiet generator and comes with a sound attenuated canopy to reduce overall noise levels making it suitable for domestic or low noise areas.
• Engine Protection: The built-in low oil alarm and automatic shutdown keep the generator safe during operation and ensure the engine is protected at all times.
• Long Run Time: The large 13-litre fuel tank can provide up to 16 hours of run time @ 50% load. The DHY6000SE can run on standard white or red diesel.

JCB

JCB 7.9kW 9.8kVA Petrol Generator, 457cc 15HP Site Generator, 115V & 230V, Electric & Recoil Start, 25L Fuel Tank, Wheel Kit, 3 Year Warranty

• ⇅ No. 6 in the comparison · Score 9/10 (Very good)
• ↗ Now £849.99
• ● Auf Lager – In stock

Provides reliable power for tools and equipment on-site, ensuring uninterrupted work with easy mobility and dual voltage options.

Technical details

Colour

Yellow

Manufacturer

JCB

Size

7.9kw - 15hp 457cc

Quantity

1

Weight

94.00 kg

Dimensions

105.9 × 70.1 × 65.0 cm

Advantages

• The JCB 7.9kW petrol generator provides reliable power for various applications, making it suitable for construction sites and demanding trade environments.
• Its dual voltage outputs of 115V and 230V allow compatibility with a wide range of tools and equipment.
• The electric start feature simplifies operation, while the recoil start serves as a reliable backup.
• A heavy-duty frame and included wheel kit enhance mobility and protection during use.

Frequently asked questions

maXpeedingrods

maXpeedingrods 2300W Portable Inverter Generator Petrol Silent 4 Stroke Compact and Lightweight 18.5kg with Digital Display, 2 x 230V,2x USB Outlets for Camping, Caravan,Motorhome

• ⇅ No. 7 in the comparison · Score 9/10 (Very good)
• ↗ Now £339.99
• ● Nur noch wenige auf Lager – Only 1 left in stock.

Provides reliable and quiet power for camping and outdoor activities, with multiple outlets for versatile charging options.

Technical details

Colour

Orange

Manufacturer

maXpeedingrods

Size

2300W

Quantity

1

Weight

18.00 kg

Dimensions

48.0 × 29.0 × 43.9 cm

Advantages

• The generator produces a maximum output of 2300W, making it suitable for various applications such as camping and home power backup.
• It operates quietly at 58 decibels in ECO mode, allowing for use in noise-sensitive environments.
• With the capability to run for up to 11 hours at a 25% load, it supports extended use without frequent refuelling.
• The inverter technology ensures clean and stable power, protecting sensitive electronic devices from potential damage.

Frequently asked questions

HYUNDAI

Hyundai 3.3kW / 3300W Petrol Open Frame Inverter Generator, Recoil Start, 3.0kW Continuous, 7.5L Long-Run Tank, Pure Sine Wave

• ⇅ No. 8 in the comparison · Score 8.9/10 (Good)
• ↗ Now £314.99
• ● LEADTIME – Usually dispatched within 1 to 2 months

Provides reliable power for outdoor activities and emergencies, running quietly for extended periods with a generous fuel capacity.

Technical details

Manufacturer

Hyundai

Quantity

1

Weight

26.00 kg

Dimensions

47.0 × 38.1 × 43.4 cm

Advantages

• The 7.5L fuel tank allows for extended runtime, providing up to 14 hours of operation at low loads, which minimises the need for frequent refuelling.
• A peak output of 3.3kW and continuous output of 3.0kW makes it suitable for powering various appliances, including those used in caravans and motorhomes.
• The pure sine wave output ensures safe operation for sensitive electronics, offering protection for devices such as laptops and televisions.
• The ECO mode and quiet inverter technology contribute to reduced noise levels and improved fuel efficiency during operation.

Frequently asked questions

EFURDEN

EFURDEN 2000W Petrol Inverter Generator, Silent Portable for Camping | 4-Stroke OHV, Pure Sine Wave, ≤58dB Quiet, ECO Mode, 18kg Lightweight, Parallel Ready for Caravan & RV

• ⇅ No. 9 in the comparison · Score 8.6/10 (Good)
• ↗ Now £293.99
• ● Nur noch wenige auf Lager – Only 3 left in stock.

Provides reliable, quiet power for camping and outdoor activities, ensuring comfort with minimal noise and easy transport.

Technical details

Manufacturer

EFURDEN

Quantity

1

Weight

20.41 kg

Dimensions

49.0 × 28.4 × 46.0 cm

Advantages

• 2000W peak power and 1800W running power provide sufficient electricity for various devices, making it suitable for camping, caravans, and home backup.
• The generator operates at ≤58dB, ensuring quieter use, which is beneficial for camping and outdoor activities without disturbing the environment.
• Up to 11 hours of runtime at 25% load allows for extended use during trips or emergencies, reducing the need for frequent refuelling.
• Pure sine wave output is safe for sensitive electronics, while the parallel-ready feature enables connection of two units for increased power, accommodating higher demands.

Frequently asked questions

AIVOLT

AIVOLT 1200W Petrol Inverter Generator, Silent Portable for Camping, Home | 60cc 4-stroke OHV Engine, Pure Sine Wave, Ultra-Quiet, Lightweight, 2.5L Fuel Tank for Caravans, Motorhomes, Campsites

• ⇅ No. 10 in the comparison · Score 8.5/10 (Good)
• ↗ Now £269.99
• ● Auf Lager – In stock

Provides reliable power for camping and home use while operating quietly, ensuring minimal disturbance in any setting.

Technical details

Colour

1.1kw

Manufacturer

AIVOLT

Size

1200W

Quantity

1

Weight

12.00 kg

Dimensions

42.9 × 25.1 × 40.1 cm

Advantages

• The AIVOLT 1200W Petrol Inverter Generator features a multifunction control panel with various outlets, allowing compatibility with a range of devices including electronics and kitchen appliances.
• Its lightweight design and low noise level make it suitable for camping and home use, enhancing portability and user comfort.
• The generator provides stable, clean power through its pure sine wave output, making it ideal for sensitive electronic devices.
• An eco mode extends runtime beyond 10 hours, contributing to fuel efficiency and the longevity of the generator.

Frequently asked questions