Engines ran while tippers waited
Tippers queued at excavators and dumps with engines left running, so diesel per tonne crept up.
Case study · tipper fleet · fuel per tonne
Case study: cutting diesel per tonne by attacking idle time
On a tipper fleet at an Indian mine, Minocular joined fuel-sensor litres per hour with GPS idle and queue time and tonnes hauled. Tippers were burning diesel while waiting at excavators and dumps. After re-balancing tippers and coaching drivers to switch off, diesel cost per tonne fell 20–36% year on year for June to August, and tonne-km per hour rose from 164 to 181.
Fuel joined with idle and queue time
Fuel sensor LPH was matched with GPS idle and queue time and with tonnes hauled for each tipper.
LPH × idle × tonnes
data fused
Re-balanced fleet, engines off
Tippers were re-balanced across excavators and drivers were coached to switch off. LPH and cycle-time reports were reviewed daily.
−20 to −36%
diesel cost per tonne, Jun–Aug YoY
164 → 181
tonne-km per hour, Apr–Sep
Questions about fuel per tonne case study
What did the mine measure?
Litres per hour from fuel sensors, idle and queue time from GPS, and tonnes hauled, for each tipper.
What were the results?
Diesel cost per tonne fell 20–36% year on year for June to August, and tonne-km per hour rose from 164 to 181.
What changed on site?
Tippers were re-balanced across excavators, drivers were coached to switch off, and LPH and cycle-time reports were reviewed daily.
What data was needed?
Fuel level sensors and GPS on the tippers, plus tonnes hauled.
Can this run at other mines?
Yes, at any mine with fuel sensors or fuel logs and GPS on the fleet.
See where your diesel goes while engines idle.
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