LiftMaster K75-50224 Gearbox for CSW200 Operators

30:1 Gearbox Replacement for LiftMaster CSW200U Series (Post-1997)

The LiftMaster K75-50224 Gearbox, also known as Q210, is a #70 gear reducer with a 30:1 ratio designed for use with LiftMaster CSW200, CSW200UL, and CSW200U swing gate operators manufactured after 1997. This replacement gearbox restores reliable mechanical drive performance to high-cycle gate systems and is built to OEM specifications for long-term durability. Compatible with select CSW models, it ensures proper torque transfer for smooth and safe gate movement.

Note: Sprockets and clutch shown in the reference image are not included with this part.

Key Features

• Replacement gearbox for LiftMaster CSW200 series operators
• Gear ratio: 30:1
• Gearbox size: #70
• Compatible with CSW200, CSW200UL, and CSW200U models (1997 and newer)
• Restores smooth mechanical operation and torque control
• Genuine LiftMaster® OEM part
• Refer to parts diagram or manual for exact model compatibility
• Sprockets/clutch not included

Technical Specifications

• Model: K75-50224
• Alternate Part Number: Q210
• Gear Ratio: 30:1
• Gearbox Size: #70
• Compatibility: CSW200, CSW200UL, CSW200U (post-1997 units)
• Included: Gearbox only (no clutch or sprockets)
• Brand: LiftMaster®

Conclusion

The LiftMaster K75-50224 Gearbox offers a direct OEM replacement for aging or damaged gear reducers in the CSW200 series swing gate operators. With a robust 30:1 ratio and #70 gearbox design, it helps restore original performance to your LiftMaster system for smooth, long-term gate automation.