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The right chassis and engine to suit your needs

Steel Chassis
Generally a steel chassis will never break. This will depend on the thickness and quality of steel used, but as a general rule a steel chassis should not break. A steel chassis is somewhat flexible; if a rock hits it, it will most likely dent not crack or puncture a hole in the side of the chassis. A steel deck is often cheaper and easier to repair. Steel decks are best when applied to rough and rocky lawns. This type of deck will need to be maintained and cleaned well to ensure the deck does not rust.

Alloy Chassis
An alloy chassis will not rust or dent. However it is prone to cracking and breaking holes through the chassis if hit by a rock or solid item. A repair to a alloy chassis could be a costly repair and requires more specialised equipment if significantly damaged. Therefore an alloy chassis is best recommended for clean lawns.

Engines – Torque
Torque is a measure of how much a force acting on an object causes that object to rotate.
It is worthwhile knowing that you cannot compare horsepower to torque. However a fair balance in of both in an engine is ideal. Measure horsepower by using the following calculation where only torque of the engine is given.
HP = Torque x RPM รท 5252
Torque is needed for thick lawns so that the lawn mower will not bog down when the engine is under load. Horsepower will not help in this situation. Horsepower is measured by calculating the amount of work done over a period of time. The more horsepower the lawn mower has the faster it will be able to complete the work. Please keep in mind horsepower is only sufficient if it is thin grass. In short terms, the heavier the load, the more torque required.


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