Glossary O
Obstacles on lawn
The presence of objects on the lawn that may affect the mower’s performance.
Occupational Safety and Health Administration (OSHA) guidelines
Guidelines set by the US government to ensure safe and healthy working conditions for employees.
Oil capacity
The amount of oil the mower’s engine can hold.
Oil changes
The frequency with which the mower’s oil needs to be changed.
Oil Consumption
The amount of oil the mower uses during operation.
Operating costs
The total costs associated with owning and operating the mower.
Operating expenses
The costs associated with operating and maintaining the mower.
Operating speed
The maximum speed at which the mower can operate.
Operating time
The amount of time the mower can operate before needing to be refueled or recharged.
Operator comfort
The level of comfort provided to the operator during use.
Operator comfort and safety
The level of comfort and protection provided to the operator during use.
Operator comfort and visibility
The ease and clarity with which the operator can see and control the mower.
Operator fatigue
The level of physical and mental exhaustion experienced by the operator during use.
Operator presence control system (OPC)
A safety feature that stops the mower blades when the operator leaves the seat.
Operator skill level
The level of expertise required to operate the zero turn mower effectively.
Organic matter
The amount of decomposing plant material on the lawn that affects the mower’s performance.
Overall speed performance
The ability of the zero turn mower to operate at a consistent and efficient speed.