A heavy-duty truck with an initial mileage of 1.68 million kilometres. Alongside fuel consumption, the report includes repeat engine-oil analysis and compression readings for all six cylinders.
Model illustration. Case figures are from the HG-ALSION report.
At the repeat checkpoint, full-load consumption was 35 rather than 42 L/100 km.
The report also records lower Fe, Cu and Pb values in engine oil and higher compression in all six cylinders.
This is a combined treatment case: the supplied data cannot separate the contribution of the engine, fuel system, manual gearbox and rear axle to the total consumption change.
Diagnostics before and after 82,000 km
Measurement
Before treatment
After 82,000 km
Change
Fuel consumption
42 L/100 km
35 L/100 km
−7 L/100 km
Fe in engine oil
20
10
−50%
Cu in engine oil
6
1
about −83%
Pb in engine oil
28
3
about −89%
Average compression
26.7 bar
29.3 bar
+2.6 bar from rounded averages
Fe, Cu and Pb values are reproduced from the report. Concentration units and the full sampling protocol are not specified in this PDF.
Cylinder-by-cylinder compression
Cylinder
Before, bar
After, bar
Change, bar
1
26
29
+3
2
25
28
+3
3
27
30
+3
4
28
30
+2
5
27
29
+2
6
27
30
+3
The report states 15% savings according to the test act. The direct calculation (42 − 35) / 42 × 100 is about 16.7%. Both figures are retained with this explanation; the main case metric is the 7 L/100 km difference.
Treatment and checkpoints
01
1,680,000 km
Initial diagnostics. Full-load consumption: 42 L/100 km.
02
4 systems
The engine, fuel system, manual gearbox and rear-axle reduction gear were treated together.
03
+82,000 km
At 1,762,000 km, fuel consumption, oil analysis and compression were checked again.
Calculate using the 7 L/100 km difference recorded in this case, assuming it is maintained over your selected distance.
700 Lcalculated fuel saving
— UAHenter your price to calculate cost
About the case data
The technical report summarises data from a 2023 HG-ALSION test act in Ukraine: full-load fuel consumption, metals in oil and compression. Repeat diagnostics took place after 82,000 km of use.
These are observations for the vehicle and treatment scheme described here. The outcome for other equipment depends on its condition, operating conditions and correct product use.
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