
Keep your Case CX18C operating with confidence with a replacement final drive 31MJ-42030. The final drive is a critical part of the excavator travel system, converting hydraulic motor power into the torque needed to move the tracks and provide controlled machine travel.
Part 31MJ-42030 is listed within the Case final drive parts range for the CX18C and is associated with Case compact excavator applications.
When a final drive begins to wear, you may notice reduced travel power, unusual noise, oil leakage, slow or uneven track movement, or difficulty travelling under load. Replacing a worn unit can help restore dependable track performance and reduce unnecessary downtime.
The 31MJ-42030 part number is listed within Case's final drive parts range, with the CX18C included among the supported Case excavator models.
Because final drive specifications can vary between machine configurations and production ranges, we recommend confirming your machine model, serial number and existing final drive part number before ordering.
Getting the correct final drive is essential when your excavator is experiencing travel problems. Pro Construction Parts provides replacement construction machinery components with technical support available to help identify the correct part for your machine.
Our team can help check 31MJ-42030 against your machine information before you order.
If you are unsure whether 31MJ-42030 is the correct final drive for your Case CX18C, send us your:
Machine model: Case CX18C
Machine serial number: Your serial number
Existing part number: 31MJ-42030 or the number from your current unit