Warrior LDG12S3 12.5KW 3PH Diesel Generator
£3,366.99 £3,164.97 Add to basket

Warrior LDG12S3 12.5KW 3PH Diesel Generator



The Warrior Diesel Generator LDG12S3 electric start Diesel generator is powered by a 290cc Warrior twin cylinder, 4-stroke air cooled engine that produces a max of 11000 running watts.

Weighing 295kg, powerful and clever design is yours with the Warrior 12500 Watt generator.

Rely on the 290cc Twin Cylinder, 4 Stroke engine and enjoy a quiet 68dBA @7m for up to 24 hours of run time.

Warrior Generator Engine

The Warrior Diesel Generator LDG12S3 electric start Diesel generator is powered by a 290cc Warrior twin cylinder, 4-stroke air cooled engine that produces a max of 11000 running watts.

This Warrior generator has a long running time

The heavy-duty industrial frame design provides full protection and aids portability. It is fitted with automatic voltage control which protects the unit and provides higher efficiency. The voltage control system also helps to provide the 50ltr fuel tank achieve up to 24 hours running time based on a full tank (at 50% load)

Output Sockets & Enclosure

With 415v Three Phase and 240v Single Phase output sockets as standard this powerful and reliable generator is also fitted with a maintenance free alternator. Due to the advantage of having a silent enclosure this generator has a key start facility. Smooth running is ensured via the fitting of anti-vibration mountings for minimal vibration and a soundproof canopy for reduced noise. A low oil cut out feature and fuel gauge is also featured.

What contents to expect when you receive your Warrior Generator

In the box you will receive the manufacturers instruction manuals and the Warrior 2 year warranty for piece of mind.

Stress Free Generator Ownership

We offer simple and easy service packages on all of our portable inverter generators. We have a team of expert engineers at our headquarters, which are trained to service the smaller petrol generators right up to the large diesel generators. We aim to have a 5 day turnaround when servicing portable gasoline generators, ensuring your planned leisure trips or business trips are not interrupted.

PowerMark Business Managers Expert Comments

“The Warrior brand of generators is one of our main supplier for diesel generators for a reason, PowerMark pride ourselves on providing high quality parts and products to clients, so the robust 2 year warranted low noise level generators from Warrior ticked the box”

Additional information


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Model Number – LDG12S3
Max Watts (KW) – 12500 (11kw)
Running Watts (KW) – 11000 (10kw)
Phase – 3
Leadtime – Stock



Powered by – Warrior
Number of Cylinders – 2
Fuel Type – Diesel                                                                                                                                                                                                                                                                           DBA Rating– 68 dBA @ 7m



1 x 240V 16 Amp (UK/EU)
1 x 240V 32 Amp (UK/EU)
1 x 415V 16 Amp (UK/EU)



•Max 12500 Watts
•415v Three Phase / 240v AC load
•Up to 24 hours run time at 50% load
•68 dBA at 7m
•3 in 1 Intelli Volt Meter
•Electric key start


LWH MM – 1160 x 650 x 890 (estimated)
Weight KG – 295 (estimated)


All of our Warrior Diesel Generators are typically in stock, ready for immediate dispatch. You can expect to receive your generator within 2-3 business days.

For bulk orders and international orders, lead-times may vary. Please get in touch with our sales experts if you have any bulk order inquiries.

Most orders placed before 1pm will be shipped same day from our suppliers. However if we suspect or are notified your order maybe delayed, we will notify you promptly. Please note that the processing of payment and order acknowledgment does not constitute as a legally binding contract. If misplacing or changes in stock quantity occur, we reserve the right to cancel the order and provide you with a full refund.

Heavy Items

When an order has been placed for a heavier product, you will be contacted by phone or email, this will be to confirm a delivery date before your order is dispatched. Large or heavy items are dispatched through a local pallet network, so if we can’t get in contact with you, this may mean we are not able to send out your purchase on a next day delivery. As always, please be sure to include a working phone number, and a secondary contact if possible with your order.

Heavy items will require the recipient to make arrangements to take delivery of the goods and may require the recipient to help the courier unload the item. For items that are delivered on a pallet the courier will leave the pallet as close to your door as possible.

Some Diesel Generators will require a forklift (or similar) for offloading; if this is not available then we can arrange a Hiab vehicle to offload at an additional price. Upon receipt of the order, where this is applicable, we shall get in contact to discuss the best plan of action.