Drive Sprocket - AM16

Drive Sprocket (Driving Wheel) – AM16

Genuine replacement drive sprocket for the AM16 1.6T mini excavator undercarriage. Transmits power from the final drive motor to the rubber tracks and controls ground speed.

Specifications

• Type: External-gear sprocket (cast iron, hardened teeth)
• Tooth Count: 15 teeth
• Pitch Diameter: 275mm
• Bore Diameter: 55mm (interference fit)
• Material: Ductile iron (EN-GJS-500, hardened)
• Tensile Strength: 500+ MPa
• Weight: Approx. 18 kg

Compatibility

Fits: AM16 1.6T mini excavator with Laidong KM385 engine

Track System: 230 × 72 × 44 rubber tracks

Engagement: Works with 230x72x44 track pitch (72mm)

Wear Indicators

• Visible tooth damage or chipping
• Worn sprocket accelerates track wear and slippage
• Excessive track noise during operation (grinding sound)
• Check sprocket wear at every 500-hour service interval

Installation Notes

• Inspect bore for scoring or damage before installation
• Check final drive shaft spline condition (replace if damaged)
• Use proper press-fit tool for installation (55mm bore requires controlled force)
• Verify sprocket alignment with track centerline after installation
• Run machine under light load for 30 minutes; check for vibration or noise

Maintenance

• Inspect teeth at 250-hour service intervals
• Monitor for tooth breakage or accelerated wear patterns
• Typically replaced when tracks are renewed (paired replacement recommended)