Skip to product information
1 of 3

Eaton 161-0085-005 (1610085005) Hydraulic Orbital Motor | Fits Bobcat 751 753 763 773 S550 S570

Eaton 161-0085-005 (1610085005) Hydraulic Orbital Motor | Fits Bobcat 751 753 763 773 S550 S570

In Stock & Ready for Global Express Dispatch

Request a Quick Quote

✓ Eaton Original Quality Spec  |  ✓ 100% Interchangeable  |  ✓ Fast Global Shipping

Premium hydraulic orbital motor engineered as a direct OEM replacement for Eaton Char-Lynn 161-0085-005 (1610085005) series, specifically designed for Bobcat skid steer loaders. Built with high volumetric efficiency gerotor engineering to deliver high starting torque, smooth low-speed drive operation, and superior durability under high-pressure working conditions.

Product Highlights

  • Part Number: Eaton 161-0085-005 / 1610085005
  • Precision Orbital Technology: Features advanced orbital/gerotor design delivering continuous high torque output and dependable low-speed operation.
  • Direct Fit OEM Replacement: Mounting dimensions, shaft type, and hydraulic port threads precisely match original Eaton and Bobcat factory standards.
  • Heavy-Duty Construction: Built with high-strength alloy housing and hardened internal drive components to withstand heavy shock loads and continuous operating pressure.
  • Optimized Drive Performance: Prevents power loss and oil slippage, ensuring precise skid steer traction and attachment responsiveness.

Technical Specifications

Parameter Specification
Part Number 161-0085-005 / 1610085005
Hydraulic Brand Eaton / Char-Lynn
Equipment Brand Bobcat Skid Steer Loaders
Motor Type Heavy-Duty Hydraulic Orbital / Gerotor Motor
Application Drive Hydrostatic & Auxiliary System
Warranty 12 Months Warranty

Compatible Models & Equipment

This Eaton hydraulic orbital motor is engineered to fit the following Bobcat skid steer loaders:

  • Bobcat 700 Series: 751, 753, 763, 773
  • Bobcat M-Series: S550, S570

Key Applications

  • Skid Steer Drive Transmission: Powers wheel and track drive systems, delivering responsive steering and smooth forward/reverse propulsion.
  • Heavy Duty Construction: Operates efficiently under severe thermal stress in excavation, trenching, demolition, and land clearing.
  • Hydraulic System Repair: Solves low torque issues, hydraulic fluid leakage, and drive stalling, restoring factory travel performance.

Why Choose Our Eaton Replacement Motors?

  • Factory Tested Quality: Every orbital motor undergoes strict pressure and flow testing under ISO 9001 standards before shipment.
  • Cost-Effective Aftermarket Solution: Enjoy identical performance and durability to original OEM units at significant cost savings.
  • Fast Global Shipping: Stocked and ready for immediate dispatch to minimize machine downtime.
  • Technical Support & Warranty: Covered by a 12-month warranty with lifetime technical guidance from hydraulic engineers.

Frequently Asked Questions (FAQ)

Q: Is this orbital motor interchangeable with Eaton part number 161-0085-005 (1610085005)?

A: Yes, this unit is a direct 100% interchangeable replacement, matching the exact mounting flange, shaft, and port specifications of the original Eaton motor.

Q: What is covered under the 12-month warranty?

A: Our 12-month warranty covers all manufacturing defects, structural material failure, and operational performance issues under normal operating conditions.

Q: What should I do when replacing a failed hydraulic orbital motor?

A: Always clean the hydraulic reservoir, replace all inline filters, and flush the oil lines to prevent residual metal debris from damaging the new orbital motor.

Q: How fast can this motor be delivered?

A: In-stock orders ship out within 3–5 business days, with express air freight options available worldwide.


Explore our full range of heavy-duty hydraulic motors:
View All Hydraulic Motors »

Need a Quote for Eaton 161-0085-005?

Contact us today for stock availability, factory-direct pricing, and global logistics options.

Request a Quote

📧 Request a Quote View full details