What type of generator should I buy and how safe it is?

Diesel fuel is painstaking safer in that it is less hotheaded. Since it has a much higher flash-point, the risk of a blast or fire is significantly reduced.
Diesel generators have a much higher compression ratio than comparative petrol generators. As a result, they are built more ruggedly resulting in greater durability. Diesel engines are much more fuel-efficient. A savings of up to 40% less fuel consumption can be realized which would cut fuel costs heavily in this current environment. Diesel generator is much more efficient and preferable as compared with gasoline engine due to the following reasons:
• There is no sparking as the fuel auto-ignites. The absence of spark plugs or spark wires lowers maintenance costs.
• Modern diesel engines have overcome disadvantages of earlier models of higher noise and maintenance costs. They are now quieter and require less maintenance as compared with gas or petrol of similar size engine.
• They are more rugged and reliable.
• Fuel cost per Kilowatt produced is 30% to 40% lower than that petrol engines.
• Overall lifetime is 5-10 longer than petrol engines
Diesel generators typically offer several advantages over spark ignited petrol driven engines and it’s design to run long hours in all different environment conditions which might not be an option for most of petrol or gas engine. Also service frequency to diesel engines depending on varies engine speeds is not as often as with petrol or gas generator.
Low speed 1500/1800 rpm water cooled diesel unit operates for 12,000 to 30,000 hours before any major maintenance is necessary. An 1500 rpm water cooled gas unit usually operates for 3000-5,000 hours before it needs general servicing. Gas units and petrol burn hotter than diesel units, and hence they have a significantly shorter life compared with diesel units.
High speed 3000/3600 rpm air cooled diesel unit operates for 5,000 to 10,000 hours before any major maintenance is necessary. But, 3000/3600 rpm air cooled petrol unit usually operates for 500-1000 hours before it needs general service.
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