Glossary P
Park/neutral position (PNP) switch
A safety switch that prevents the mower from starting unless it is in the park or neutral position.
Performance
The overall performance of the mower, including speed, power, efficiency, and maneuverability.
Performance comparison
A comparison of the performance of different machines or systems, used to determine which is the most effective.
Performance on different terrains
The ability of a mower to perform well on different types of terrain, such as hills, slopes, and rough terrain.
Pivot point
The central point around which the mower pivots when turning.
Pivot steering
A steering system where the mower pivots around a central point, allowing for greater maneuverability and tighter turns.
Pollution control technology
Technology used to reduce the emissions of pollutants from the engine, reducing the environmental impact of the mower.
Power output
The amount of power that is produced by the engine.
Power output capacity
The maximum amount of power that can be produced by the engine.
Power-to-weight ratio
The ratio of the power output of the engine to the weight of the mower, determining the performance and efficiency of the machine.
Precision control
The ability of a mower to be controlled with precision and accuracy, allowing for precise adjustments and maneuvers.
Precision cutting
The ability of a mower to cut grass with precision and accuracy, resulting in a clean and even cut.
Precision handling
The ability of a mower to handle with precision and accuracy, allowing for tight turns and maneuverability.
Pressure relief valve
A safety valve that opens to release pressure in the hydraulic system, preventing damage to the system.
Price range
The range of prices for zero-turn mowers for professional landscape care.
Productivity
The amount of work that can be accomplished in a given amount of time.
Pulley ratio
The ratio of the diameter of the drive pulley to the diameter of the driven pulley, determining the speed and torque of the mower.
Pump displacement
The volume of fluid that can be displaced by a pump in a single revolution.