This helps find the right parts for your equipment. When a potential match is found you will see: ✓ Potential Match
⚠ Please double-check fitment before ordering.
Final drive assemblies for Komatsu compact track loaders and skid steers, covering complete travel motor and drive unit replacements across the CK series machine lineup.
What final drive fits a Komatsu CK30-1 or CK35-1?
The Komatsu CK30-1 and CK35-1 use final drive part number 37C-22-11410, which also fits the CK1122. Because fitment can vary by CK series generation and serial number range, check your machine's serial number and match the part number on your old unit before ordering.
What final drive fits a Komatsu CK20-1 or CK25-1?
The Komatsu CK20-1 and CK25-1 use final drive part number 37B-22-11410. Confirm your serial number range before ordering to make sure it matches your machine. If you are unsure, our parts team can verify fitment if you call (800) 909-7060.
Are Komatsu CK20 and CK30 series final drives interchangeable?
They are not listed as interchangeable. The CK20-1 and CK25-1 use a 37B series final drive, part number 37B-22-11410. The CK30-1, CK35-1 and CK1122 use a 37C series final drive, part number 37C-22-11410. Order the part number that matches your model and serial number.
Does Broken Tractor offer new or remanufactured Komatsu CK series final drives?
Broken Tractor offers both new and remanufactured final drives for Komatsu CK series compact track loaders, depending on the model. Check the product listing for your machine to see which condition is offered, and confirm the part number and serial number range before you order.
Is a Komatsu CK series final drive a complete replacement unit?
Yes, Broken Tractor carries complete final drive assemblies for Komatsu CK series compact track loaders, covering full travel motor and drive unit replacement. Units are offered for the CK20-1, CK25-1, CK30-1, CK35-1 and CK1122, with fast shipping from Baton Rouge, LA and Kimbolton, OH.