Senci SC6000-II 5.5kW Electric Start Petrol Generator

Turn the key and get a solid 5kW for the house, the yard or the site. The Senci SC6000-II pairs a 389cc Euro V engine with a 25-litre tank, so it runs for about 12 hours at half load. With 230V and 110V outlets on one panel, the same machine covers home essentials and UK site tools.

✔ Authorised UK reseller ✔ Free delivery to mainland UK ✔ Prices include VAT ✔ 3-year warranty when registered

Why buyers choose the SC6000-II

• Key start, with a recoil back-up. An onboard 12V battery starts it from the panel, and the pull cord is there if the battery is ever flat.
• A tank that lasts the shift. 25 litres gives about 12 hours at 50% load and about 8 hours at full load.
• Two voltages from one machine. A 32A 230V outlet for household-voltage equipment, and a 32A 115V outlet for UK site tools.
• Protected as standard. Low-oil shutdown stops the engine before it runs dry, and circuit breakers cut the power if you overload it.
• Steady output. AVR holds the voltage steady as the load changes, and the alternator has copper windings.
• Built for rough use. A 28mm tube frame protects the engine and alternator, and the control panel is enclosed against dust.
• Moves with you. 9-inch wheels and a fold-down handle get it across firm ground.

Is it right for you?

Ideal for: home backup for the essentials during power cuts, smallholdings and workshops, trades running 110V tools, and marquees or events with lighting and modest catering loads.

Look elsewhere if:

• You mainly power laptops and sensitive electronics. An inverter such as the Hyundai HY6250SEi gives cleaner power.
• You need more headroom. The Senci SC8000-II gives 6.5kW continuous.
• You need less power and weight. The Senci SC4000-II is the size down.
• You have close neighbours. See our silent and canopied generators.
• It will be your main power supply, or go out on hire. Senci's warranty doesn't cover either use, so see our long run generators and ask us first.

What will it run?

Plan around the 5kW continuous output. The 5.5kW maximum is for short bursts, such as a motor starting. These are typical figures, so check the rating plates on your own equipment.

Power cut example: fridge freezer 200W + boiler electrics 150W + lights 200W + TV 100W + kettle 3,000W comes to about 3,650W, which leaves around 1,350W in hand. Stagger big loads so the kettle and microwave aren't on together.

Site example on 110V: expect only around 50 to 60% of the rated output on the lower voltage, so about 2.5 to 3kW. A 1,800W saw + 200W of lighting comes to about 2kW, which leaves a little in hand for the saw starting up.

How long will the fuel last?

At half load, a 24-hour power cut will take about two full tanks, or 50 litres. Heavier loads use it faster. Use unleaded petrol with no more than 10% ethanol, so standard E10 is fine, and never use E85. A 20-litre jerry can and pouring spout make refuelling easier.

Using it for home backup

Never plug a generator into a house socket. To power household circuits, have a qualified electrician fit a changeover switch, such as our 100A manual transfer switch, so that the generator and the mains can never be connected together. This machine has key start but no automatic start, so someone needs to start it during a power cut. Senci's warranty excludes non-Senci parts and unauthorised installation into other systems, so please ask us before you have it wired in.

Where to put it

• Run it outdoors on level ground, with at least 1.5m of clear space on every side and overhead.
• Never run it in a garage, carport, porch or any enclosure, even with the doors open. Senci's warranty doesn't cover damage from enclosed or poorly ventilated use.
• Don't run it in the rain or wet weather.
• You'll hear it. It's fine for a site or yard, but think about where it sits if you have close neighbours.

Getting it running

• Assemble it. Fit the wheels, axle, rubber feet and handle. One owner of this model took about 10 minutes.
• Plan the route. It weighs 81kg before fuel. One owner found it hard work on soft ground, and you'll want two people for any lifting. The wheels aren't for road use.
• Add engine oil. It isn't filled for delivery. Senci specifies SAE 30 above about 4°C and 10W-30 between about -12°C and 4°C. We stock SAE30 oil. Fill to the correct level on level ground.
• Add fresh petrol. The tank is drained before dispatch.
• Earth it. Connect the frame to a proper earth as the manual describes.
• Check the battery is connected, then start with nothing plugged in. Don't hold the key for more than 15 seconds, and wait a minute between attempts.
• Use the right plugs. The outlets are 32A industrial-style sockets. Our 32A to 4 x 13A converter suits household plugs, and we also stock 230V and 110V 32A to 16A converters.

Keeping it ready

Keep a record of every service, as Senci can ask for it on a warranty claim. If it will stand for more than 30 days, drain the fuel or add a fuel stabiliser.

Full specification

FAQs

Can I plug normal household appliances straight in? Not directly. The 230V outlet is a 32A industrial socket, so you need a matching plug or a 32A to 13A converter.

How much of the power can I use on 110V? Expect around 50 to 60% of the rated output, so about 2.5 to 3kW. Tell us which tools you plan to run and we'll check them.

Will it run computers? AVR helps keep the voltage steady, but an open-frame generator isn't as clean as an inverter. For sensitive electronics, use an inverter generator or suitable surge protection.

Why did it stop by itself? Check the oil first. Low-oil shutdown stops the engine when the level drops too far. If the outlets go dead but the engine keeps running, a circuit breaker may have tripped.

Can I run it in the rain? No. Keep it dry, and never put it in an enclosure to do so. Never cover it while it's warm.

How should I switch it off? Unplug or switch off your loads first. Senci's warranty doesn't cover the AVR, which can be damaged by stopping the generator under full load.

How does the warranty work? Leisure use is covered for 3 years or 1,000 hours, with parts, labour and carriage in year 1 and parts only in years 2 and 3. Commercial use is 1 year or 1,000 hours. Register within 30 days, as Senci's website says cover is otherwise 2 years. Hire use, use as a main power supply, and damage from overloading or underloading aren't covered. Keep your proof of purchase and service records.

Not sure it's the right size? Send us your appliance list at sales@generator-uk.co.uk or call 01744 520110, Monday to Friday, 8:30am to 5pm, and we'll help you size it.

Safety: run outdoors only, with 1.5m of clear space all round and well away from doors, windows and vents. Generator exhaust contains carbon monoxide. Let the engine cool before refuelling.