A: The excavator engine stalling under heavy load or erratic, jerky boom movements points to valve failure.
A: Run the excavator at low idle for 10 minutes without operating the cylinders to clear air bubbles.
A: Yes, it is direct-matched to OEM part numbers 9257308, 9257126, and 9257309 for zero-gap fitment.
A: The durable casting allows safe operation down to -20°C, provided the hydraulic oil is preheated.






















