Caterpillar Swing Motor Shaft 188-4163 is a swing motor & gearbox product that supports upper-structure rotation and swing-drive power transfer. It is listed for Caterpillar heavy-equipment applications; use part number 188-4163 as the primary identification reference.
- Part Number: 188-4163
- Brand: Caterpillar
- Product Category: Swing Motor & Gearbox
- Equipment Type: Generator Set, Track Feller Buncher, Oem Mob Hyd Pwr Unit, Excavator, Forestry Products, Hex Based Spl Solution
- Compatible Models: 3512, 3512B, TK732, 1190T, 2390, 2391, TK722, 552 2, TK721, TK752, TK751, 1190, 511, 541 2, TK741, 2290, 522, 521, 521B, 532, 2590, 522B, 541, 1290T, 1390, 551, 552, TK711, 2491, 336MHPU
- Engine Models: Confirm by equipment serial number
- Condition: New
Fitment can vary by machine configuration and serial-number range. Compare the original part number, dimensions, connectors and mounting points before purchase.





