RATO R8750ID Open Frame Generator
R8750ID
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Product Overview
The RATO R8750ID is an open frame generator designed for portable power. With a rated output of 7.8 kW (maximum 8.75 kW), it is powered by a 420 cc Rato R420D engine with both recoil and electric start. The 15-litre fuel tank provides up to 10 hours of continuous half-load operation. It features smart circuit protection with reliable safety, a low engine oil alarm with automatic shutdown, GFCI-protected duplex outlets, USB device charging and an 8-inch wheel kit with handle for easy movement. Covered by a 12-month / 500-hour warranty.
Key features
- 7.8 kW rated output (8.75 kW maximum)
- Rato R420D 420 cc air-cooled 4-stroke engine
- Recoil and electric start with 1.6 Ah lithium battery
- 15-litre fuel tank — 10 hours on half-load
- 2 x GFCI-protected L5-20R 120 V 20 A duplex outlets
- USB device charging, spark arrestor, oil drain tube
- 8-inch wheels and handle for easy movement
Contact Days Motor Power Equipment to arrange a demo or discuss your power requirements.
All specifications are subject to change without notice. Please confirm current specifications with Days MPE.
What's in the box
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Engine model
Rato R420D
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Engine type
Air-cooled, 4-stroke, OHV, single cylinder
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Displacement
420 cc
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Certification
EPA 3 & EMC
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Starting system
Recoil / electric start with 1.6 Ah lithium battery
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Rated power
7.8 kW
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Maximum power
8.75 kW
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Rated frequency
50 Hz
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Rated voltage
220 V
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DC output
12 V / 8.3 A
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Fuel tank capacity
15 L
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Runtime — full load
6.5 hours
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Runtime — half load
10 hours
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Noise level (7 m)
84 dB
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Dimensions (L x W x H)
605 x 514 x 537 mm
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Net weight
65 kg
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GFCI outlets
2 x L5-20R 120 V 20 A duplex
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USB device
Yes
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Spark arrestor
Yes
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Low oil alarm
Yes — automatic shutdown
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Wheel kit
8-inch wheels and handle (standard)
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Warranty
12 months / 500 hours
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FAQ
What size generator do I need?
The right generator size depends on the equipment you want to operate at the same time. Add together the running power requirements of the appliances or tools you expect to use, while also allowing for the higher starting demand of equipment with electric motors or compressors. A small generator may be sufficient for lights, charging and basic appliances, while larger household, workshop or commercial loads can require considerably more capacity.
What is the difference between an inverter generator and a conventional generator?
An inverter generator uses electronic control to produce a stable, high-quality electrical output and can adjust engine speed as the electrical load changes. This generally provides quieter operation and improved fuel efficiency at lighter loads, while also making inverter generators particularly suitable for sensitive electronic equipment. Conventional generators are often simpler and can provide high output for tools, equipment and other demanding applications. The best choice depends on what you need to power and where the generator will be used.
What is the difference between running watts and starting watts?
Running watts are the amount of power a generator can continuously supply while equipment is operating. Starting watts, sometimes described as maximum or surge output, are the additional short-term capacity available when starting equipment such as refrigerators, pumps, air conditioners and power tools with electric motors. When sizing a generator, you need enough continuous capacity for your normal load as well as sufficient short-term capacity for equipment that draws extra power when starting.
Can a generator run a fridge, freezer or other household appliances?
Yes, provided the generator has enough capacity for the appliances being connected. Refrigerators and freezers require relatively modest power while running but can draw substantially more power for a short period when their compressor starts. High-power appliances such as kettles, heaters, microwaves and some cooking equipment can place much greater demand on a generator, particularly when several appliances are used at the same time. Check the power requirements of the equipment you intend to operate before choosing a generator.
Can I use a generator to power computers and sensitive electronics?
An inverter generator is generally the preferred choice for equipment such as computers, televisions, communications equipment and other electronics that benefit from a stable electrical supply. Quality inverter generators are specifically designed to provide smooth, consistent power. Always check the generator manufacturer's specifications and the requirements of the equipment you intend to connect before use.
What size generator is best for camping or caravanning?
The best camping or caravan generator depends on the appliances you want to operate. A compact inverter generator may be sufficient for battery charging, lighting and smaller appliances, while air conditioners, microwaves and other high-demand equipment can require substantially more capacity. Also consider generator weight, physical size, fuel capacity and noise, as portability and quiet operation can be just as important as maximum output when travelling.
How long will a generator run on a tank of fuel?
Generator runtime depends on fuel tank capacity, engine efficiency and the electrical load being supplied. A generator operating at a light load can generally run considerably longer than the same generator working close to maximum output. Some inverter generators use an economy or eco-throttle system that reduces engine speed when demand is low, helping improve fuel economy and reduce noise. When comparing models, check the stated runtime together with the load level at which that runtime was measured.
How important is generator noise when choosing a model?
Noise can be an important consideration for camping, caravanning, residential backup power and any situation where the generator will operate near other people. Inverter generators are often designed to operate more quietly, particularly at lighter loads where the engine can reduce its speed. Compare published noise specifications where available, but also consider where and how the generator will normally be used rather than choosing on power output alone.
Can I use a portable generator to power my home during a blackout?
A portable generator can provide temporary power to selected household appliances during an outage, but it must be connected and used safely. Never attempt to power a house by plugging a generator into a wall socket or making your own connection to the switchboard. If you want a generator connected to household wiring through a dedicated generator inlet or changeover arrangement, that work must be designed and installed by a licensed electrician.
Where is it safe to operate a portable generator?
Portable fuel-powered generators must be operated outdoors in a well-ventilated location because their exhaust contains carbon monoxide, which can cause fatal poisoning. Never run a generator inside a house, garage, shed, tent or other enclosed area. Keep it away from doors and windows, protect electrical connections from wet conditions, place it on stable ground and allow the generator to cool before refuelling. Always follow the manufacturer's operating and safety instructions.
Expert Local Advice
Friendly, experienced & local
Leading Brands
Quality Brands you can trust
Service & Spare Parts
Workshop Parts & Support
Residential & Commercial
Equipment for every job