Current Delivery Times: Order by 2pm for SAME DAY DISPATCH. Weekdays only. Delivery from 2 working days. Exclusions apply*

Cummins C300D5 300 kVA Diesel Generator

We price match

Give our sales team a call on
01437 700 123
and we'll happily price match

  • 300kVA Standby, 275kVA Prime
  • 3 Phase / 400V / 50HZ
  • Cummins QSL9-G5 Engine
  • Stamford HCI4D Alternator
  • Set mounted circuit breaker
  • Power Command 1.2 Control Panel

Business Finance

Business Finance Available through Tower Leasing finance plans From £668.76 per month

In Stock

£30,565.00 exc. VAT £36,678.00 inc. VAT


The Cummins 300kVA has everything you would expect of a gen set manufactured by a company with a pedigree stretching back almost a century. It can not only be relied upon for optimum performance prime power applications, but it also offers the fuel economy and dependability you can only achieve with such a wealth of experience.

The 300kVA diesel generator set is a rugged, reliable 4-cycle commercial unit, featuring the intuitive interface of the PowerCommand® 1.2 microprocessor based control board. This system offers remote start and stop, precision regulation of frequency and voltage, and status and alarm display. The 300kVA is also available with optional weather defending and sound attenuating enclosures, extending its top performance into extreme environments.

All of this means that when you purchase one of these generators, you know you’re getting the very best.



Manufacturer Cummins
Cooling Method Water-cooled
Phase N/A
Dimensions (L x W x H) 4254 x 1424 x 2215 (mm)
Engine Manufacturer Cummins
Engine Model QSL9 G5
Max. Engine Speed (rpm) 1500.00
Warranty 1 Year
Alternator Type HC4D
Continuous Power (kVA) 275.00
Frequency (Hz) 50.00
Max. Power Output (kVA) 300.00
Max. Power (kW) 240.00
Prime Power (kW) 220.00
Standby Power (kW) 240.00
Noise (dB @ 7m) 69dbA
Fueled/Driven by Diesel
Maximum Run Time (hr) 12.1 @ 75% load

 We provide FREE SHIPPING (terms apply) to mainland UK addresses on the majority of items.

Pricing for extended shipping areas like Northern Ireland, the Scottish Highlands and outlying Islands (the Outer Hebrides, Channel Islands, Isle of Man, Scilly Isles, etc) will incur a surcharge.

Please note: Very small items like spare parts will carry a cost for shipping, as will very large or heavy items like our 1500rpm diesel generators.

Feel free to contact us on 01437 700 123 or via live chat if you have any questions before ordering. 

If you place an order for an extended area, a small part or a large item which requires a postage fee we will contact you to discuss.

For full shipping and delivery terms and conditions, please click here.


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