Hyundai 6kW/7.5kVA Long Run Standby Diesel Generator Single Phase | DHY8000SELR

Hyundai 6kW/7.5kVA Long Run Standby Diesel Generator Single Phase | DHY8000SELR

Availability: In stock

£1,603.99 inc. VAT £1,336.66 ex. VAT

Delivery update: Orders to be received within 1 - 5 working days. There may be a slight delay in courier tracking becoming available.


  • Dependable long running standby diesel generator for backup power

  • Equipped with a 30L diesel tank for an increased running time of up to 30 hours.

  • Powered by a 4-stroke, air-cooled D452 Hyundai diesel engine.

  • Produces a maximum of 6kW of standyby power.

  • Uses ATS capabilities to automatically start and shutdown during a power cut. ATS sold separately.

  • Housed in a silenced case with a sound rating of just 70dB @ 7 metres.

Business Finance

Business Finance Available through Tower Leasing finance plans From £29.25 per month


Hyundai Diesel Gererator, DHY8000SELR

The DHY8000SELR standby generator is the long-running version of the DHY8000SE, with a large 30L diesel tank, boosting the maximum running time of this standby diesel generator to 30 hours of backup power.

Long-Running Standby Generator

Powered by a 4-stroke, air-cooled D452 Hyundai diesel engine, the DHY8000SELR backup generator has a maximum output of 6kW. It features the same AVR alternator which produces clean energy. Although it won’t be able to run everything, it allows more essential home items to continue running in the event of a power cut when the National Grid fails.

The DHY8000SELR is ATS (Automatic Transfer Switch) compatible. ATS is an optional extra that can be connected to an ATS system for maximum convenience. When the ATS module detects a loss of power from the mains supply it simply powers your generator up automatically, then shuts it off when it detects power returning from the mains. This is also an electric start diesel generator, with a simple turn of the key being all that’s required to start or stop the machine when controlled manually.

Silenced Generator for minimum disruption

Housed in the silenced casing, the DHY8000SELR is 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.

Please note - diesel generators with enclosed sound attenuating canopies are often classed as ‘Silent’. This is an industry practice and does not mean the generator is actually silent. We would class this as a quiet running diesel generator.

Economical Standby Power

The DHY8000SELR diesel generator is economical to run, using roughly 1L of diesel every hour. Since the DHY8000SELR 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.

For information on how to properly maintain this diesel generator, please view our diesel generator maintenance checklist here

Designed for standby use. For Continuous power supply, we recommend a 1500rpm diesel generator.

For the recommended usage of this generator, please see here.

*All non-inverter or converter generators except HY3400 Hirepro:
Fitted with an AVR (Automatic Voltage Regulator) controlled alternator to maintain voltage as near to 230v as possible. Non-AVR alternators have a large fluctuation in voltage and can damage sensitive electronic equipment. If you require a portable generator to replicate the mains supply, it is recommended that a pure sine wave inverter generator is used.
Gross Weight (kg) 170.00
Warranty 1 Year
Engine Type D500
Engine Type Single cylinder - Forced Air cooled, OHV,
Power Output (hp) 12.00
Number of Cylinders 1.00
Displacement (cc) 452.00
Cooling Method Air
Oil Capacity (L) 1.75
Speed (rpm) 3000.00
Speed Regulation Type Mechanical governor
Alternator Type D400-SO1-5
Voltage Regulation Method AVR
Power Factor (cosᶲ) 1.00
Rated kVA 6.80
Rated kW 5.50
Max kVA 7.50
Max kW 6.00
Voltages - VAC 230.00
Frequency (Hz) 50.00
Meter/Display Functions Volts/Frequency/Hours run/Total hours run
Connection Method (VAC/a) Sockets - 1 x 115V/16A, 1 x 115/32A, 1 x 230V/32A
Starting Method(s) Electric
Remote Start Function? Yes
Fuel Type Diesel
Fuel Tank (L) 30.00
Battery Type (v/Ah) 12/36
ATS Port? Yes
Low Oil Shutdown? Yes
Noise Level db (A) 96.00
Noise Level db (A) @ 7m 70.00
Box Dimensions L x W x H (mm) 960 X 560 X 890
Machine Dimensions L x W x H (mm) 920 X 550 X 760
Net Weight (kg) 158.00
Wheel Kit? Yes

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Product Attachments

View FileHyundai Standby Generator Maintenance    Size: (228.21 KB)
View FileDHY8000SELR Spec Sheet    Size: (2.76 MB)
In the Workshop

Q: How do I choose the right generator? I have a 700w angle grinder, what generator do I need? 

A: The grinder has an electric motor so it is an inductive load. Typically, inductive loads need 3 times the rated power to start. Therefore, in this example, you need a generator with at least 2100w continuous power. 

Generator continous rated output Resistive load Inductive load (typically 1/3 the rated power output of generator)
1000w 900w 333w
2000w 1800w 666w
2500w 2250w 833w
3000w 2700w 1000w
5000w 4500w 1666w
6000w 5400w 2000w
7000w 6300w 2333w

Resistive loads: Lights, heaters, heat guns

Inductive loads: Electric motors, powertools, compressors, refrigerators

Frequently Asked Questions

Q. Are there glow plugs on this generator?

A. No, but there is a pre-heater button on the generator fascia which in cold weather allows you to warm up the air in the inlet manifold, which helps the engine start easier and run smoother.

Q. What size are the circuit breakers?

A. Upon test, we found that they trip out at 24.955A, with the incoming comfortably running at 21.7A.

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