New 4V4107 Sprocket Replacement suitable for Caterpillar

The 4V4107 sprocket is a key undercarriage drive gear that meshes with the track links on tracked equipment like dozers and crawlers. It transfers power from the final drive to the track chain, enabling forward and reverse movement while supporting traction and propulsion.

Here’s a general guide for proper installation:

1. Turn off the machine and ensure it is safely supported on level ground.
2. Relieve track tension and remove the track chain according to your service manual.
3. Unbolt and remove the old sprocket from the final drive hub or carrier.
4. Clean the hub mounting surface to remove debris or corrosion.
5. Install the new 4V4107 sprocket, aligning bolt holes, and torque fasteners to the values specified in your service documentation.
6. Reinstall the track chain and re-tension according to manufacturer guidelines.
7. Test machine movement to confirm smooth drive engagement.

The 4V4107 sprocket fits select Caterpillar models such as D4D, D4E, 941, and 941B track-type tractors and similar equipment where this part number is specified for the undercarriage drive system. Compatibility varies by model and configuration, so verify fitment using your machine’s service documentation before ordering. Check your manual or reach out to Propel Parts for help verifying fitment.

Yes, the 4V4107 sprocket is engineered to meet or exceed OEM specifications for material strength, accuracy, and wear resistance. Choosing a sprocket that meets or exceeds OEM expectations helps ensure reliable torque transfer, even wear with the track chain, and long service life under tough operating conditions.

Sprockets should be checked during routine undercarriage maintenance. Inspect for worn, hooked teeth, uneven wear, or significant material loss. Replace the sprocket if these signs are present, as worn sprockets can accelerate track and roller wear and reduce overall undercarriage life.

Typical indicators include:

1. Hooked or worn sprocket teeth that no longer match track link profiles
2. Slippage or difficulty maintaining smooth track movement
3. Noise or vibration during travel
4. Rapid undercarriage wear affecting rollers and chains

A quality sprocket ensures efficient power transfer to the track chain and helps maintain proper undercarriage alignment and tension. Using sprockets that meet or exceed OEM specifications improves traction, reduces premature wear on track components, and contributes to long-term reliability and reduced maintenance costs.