# BelAZ 7512 and Caterpillar 789 gearboxes — OJSC SevGOK, Kryvyi Rih

**IE S022**  
OJSC SevGOK, Kryvyi Rih · Ukraine · 2001

Gear mesh and bearing units gained metal, clearances closed, parts remained in service. BelAZ 7512 and Caterpillar 789 gearboxes, OJSC SevGOK, Kryvyi Rih.

## Measured

- tooth thickness, 16.70-16.85 → 17.40-17.60 mm — **4.2-4.5 %**
- bearing roller and axle bearing seat, 51.95 → 52.85 and 101.6 → 101.9 mm — **0.30-0.90 mm**

## Conclusion

Gear mesh and bearing units gained metal, clearances closed, parts remained in service

Page: https://industry.xado.com/case/sevgok_series
PDF report: https://industry.xado.com/pdf/TIER%20S/SevGOK/gearboxes-BelAZ-7512-CAT-789/IE-S022_XADO_SevGOK_gearboxes-BelAZ-7512-CAT-789_EN.pdf