Heavy-duty 12-tooth drive axle sprocket wheel designed for mini excavator undercarriage systems using 180×72×37 rubber tracks. Built for reliable power transmission and strong track engagement, this sprocket delivers smooth travel, stable performance, and reduced slippage in demanding working environments.

The precision-machined 12T design maximizes traction and driving efficiency while providing long-lasting durability for heavy-duty applications. Ideal for replacing worn or damaged undercarriage components.

Features:

• Heavy-duty steel construction for long service life
• Precision 12-tooth (12T) design for secure track engagement
• Efficient drive axle power transfer
• Reduces track slippage and improves traction
• Smooth and stable operation on rough terrain
• Ideal replacement part for mini excavator undercarriage systems

Specifications:

• Product Type: Drive Axle Sprocket Wheel
• Outer Diameter: 280 mm (11.02 in)
• Teeth Count: 12 (12T)
• Tooth Pitch / Distance: 72 mm (2.83 in)
• Drive Axle (Rear Hole) Diameter: 40 mm (1.57 in)
• Front Hole Diameter: 35 mm (1.38 in)
• Compatible Track Size: 180 × 72 × 37
  • Track Width: 180 mm (7.09 in)
  • Pitch: 72 mm (2.83 in)
  • Number of Links: 37

Key Benefits:

✔ Reliable drive axle power transmission
✔ Strong 12-tooth rubber track engagement
✔ Stable operation on tough ground conditions
✔ Durable steel construction for extended service life
✔ Perfect replacement for mini excavator undercarriage systems

Package Includes:

• 1 × 12T Drive Axle Sprocket Wheel

Note: Please compare the dimensions and track size with your original part before ordering to ensure proper fitment.