# OTOYOL bus, turbocharged diesel — FIDAN LLC

**IE C003**  
FIDAN LLC · Azerbaijan · 2009

Crankshaft main journals grew quieter, injection pump nozzles and turbocharger reduced vibration. OTOYOL bus, turbocharged diesel, FIDAN LLC. Azerbaijan · 2009.

## Measured

- vibration of the crankshaft main journals, 80-100 → 45-48 dB — **40-52 %**
- vibration of the injection pump injectors, 18-22 → 10-12 dB — **44-45 %**
- vibration of the turbocharger, 54 → 48 dB — **11 %**

## Conclusion

Crankshaft main journals grew quieter, injection pump nozzles and turbocharger reduced vibration

Page: https://industry.xado.com/case/akt_ooo_fidan_azerbadzhan_avtobus_otoyol_g
PDF report: https://industry.xado.com/pdf/TIER%20C/Fidan/buses-OTOYOL/IE-C003_XADO_Fidan_buses-OTOYOL_EN.pdf
Original scan: https://industry.xado.com/scans/akt_ooo_fidan_azerbadzhan_avtobus_otoyol_g.pdf