Liftmaster K20-3100C-4P-H25 Replacement Motor 1 HP

1HP Motor for LiftMaster SL585GL, SL595GL & GH Operators

The LiftMaster K20-3100C-4P-H25 is a heavy-duty 1 horsepower motor replacement kit designed for use with 3-phase Logic 5.0 gear-reduced commercial door operators. Rated for 230V/460V, this continuous-duty motor is engineered to restore high-cycle performance in demanding commercial environments. It is compatible with LiftMaster’s SL585GL, SL595GL slide gate operators and GH series hoist operators, making it a versatile solution for slide and overhead applications.

Replaces the following part numbers: K20-3100C4, 20-3100C-4P, K20-3100C-4P, 20-3100C-4, 203100C4

Key Features

• 1HP motor kit – Built for LiftMaster 3-phase Logic 5.0 operators
• 230V/460V, 3-phase – Suitable for commercial and industrial power systems
• Continuous-duty rated – Designed for high-cycle overhead or slide gate applications
• Direct OEM replacement – Ensures correct fit, wiring, and torque profile
• Compatible with slide and hoist operators – Use with SL585GL, SL595GL, and GH models

Technical Specifications

• Part Number: K20-3100C-4P-H25
• Horsepower: 1 HP
• Voltage: 230V / 460V, 3 Phase
• Motor Type: L5 logic, CF (Capacitor Forward)
• Application: Slide and hoist gear-reduced operators
• Compatibility: LiftMaster SL585GL, SL595GL, GH
• Included: Motor assembly only
• Replaces: K20-3100C4, 20-3100C-4P, 203100C4, and related part numbers

Conclusion

The LiftMaster K20-3100C-4P-H25 is a high-performance motor replacement kit that restores critical operation in 3-phase Logic 5.0 commercial systems. Whether used in hoist or slide gate applications, this OEM motor delivers the strength, reliability, and compatibility required for uninterrupted access control in high-cycle environments.