Fleet Management for Coal Mining: How GPS, Fuel Sensors, and Reports Work
At a mine, every hauling unit and piece of heavy equipment is a large moving cost. Fleet management makes its position, fuel, and operation visible from one dashboard. Here is how it works and what to prepare.

Mining and coal hauling contractors typically manage tens to hundreds of units: dump trucks, excavators, light vehicles, and support equipment. Without accurate data, simple questions like "which unit is idle" or "why did diesel use rise this week" are hard to answer.
How fleet management works
- Device on the unit: an industrial GPS tracker is fitted to each vehicle or machine, plus sensors as needed.
- Data transmission: position and status are sent over the cellular network. Where there is no signal, data is stored on the device and sent once signal returns.
- Dashboard: every unit appears on the map, with trip history, alerts, and reports.
What can be monitored
- Real-time position and replay: where a unit is and the route it took each shift.
- Fuel consumption: a fuel sensor reads tank level, so unusual refills and drops can be detected.
- Engine data via CAN-Bus: for supported units, such as operating hours, RPM, and engine temperature. Heavy vehicles generally use the J1939/FMS standard.
- Geofences: alerts when a unit leaves an area, enters a restricted zone, or stops too long.
- Operator behavior: speed, harsh braking, and excessive idling as a score.
- Service reminders: by distance or operating hours.
Problems that usually surface
- Units idling for long periods with the engine on, burning diesel.
- Gaps between fuel refill records and the drop in tank level.
- Hauling routes longer than they should be.
- Late servicing that turns small faults into big repairs.
- Speeding on mine roads that raises accident risk.
Operator safety
Beyond GPS, cabins can be fitted with cameras that warn operators when drowsy or distracted, and field workers can carry personal trackers with an SOS button and fall detection. This data helps the HSE team act before an incident happens.
Implementation steps
- Fleet survey: unit types and count, CAN-Bus availability, and signal in work areas.
- Device installation per unit, ideally scheduled between shifts so production is not disrupted.
- Set geofences and alerts: pits, disposal, haul roads, workshops, and restricted areas.
- Live reporting: daily summaries for supervisors and leadership, then tuned to operational needs.
Checklist before starting
- A unit list: type, brand, year, and owner (own or rental).
- Which data matters most: position, fuel, operating hours, or safety.
- Signal conditions in work areas and whether the site office needs Starlink.
- Who watches the dashboard and follows up on alerts.
- Reports in use today and the format you want.
Sentra runs a fleet management system for a mining contractor in East Kalimantan. See the FMS project and the Fleet product.
Tell us about the process. We'll help map out the most proportionate approach.


