Concrete boom pump: a truck drives 40 km to a job, remains stationary for several hours while its engine/PTO operates throughout the pour, then travels 40 km back. The illustrative 80 km road total describes the journey, not all the engine operating time. The actual meter reading gives the workshop another useful input for the intervals it has configured.
Concrete agitator: a shift combines short delivery routes with batching-plant queues, loading, site waiting and unloading. The engine may remain running through several of those stages. Across repeated cycles, the engine-hour reading can tell a different story from the odometer. Collecting both helps the manager follow whichever measurements their maintenance plan requires.
These examples are not service recommendations. Concrete trucks and pumps do not all share an interval, meter arrangement or duty cycle. Use the measurements available on the actual asset. Service Sheet does not estimate separate PTO, pumping or drum hours, install telematics, diagnose a fault or decide whether equipment is safe to operate.