Liftmaster K32-35814-1, GEAR REDUCER
The LiftMaster K32-35814-1 is a bottom-mount gear reducer replacement kit used in select CSW24 series commercial swing gate operators. This gearbox converts motor output into controlled mechanical torque for the swing arm drive assembly. It is commonly ordered when the original reducer is worn, leaking, binding, or no longer transferring power smoothly through the operator. The bottom-mount designation is important because the shaft orientation and mounting arrangement must match the operator assembly. Even within the same general CSW24 family, the exact model suffix and parts diagram should be checked before ordering.
Features & Specifications
| Manufacturer | LiftMaster |
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| Product Type | Bottom-mount gear reducer |
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| Part Number | K32-35814-1 |
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| Gear Ratio | 30:1 where specified by the operator parts diagram |
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| Application | CSW24 series swing gate operator drivetrain |
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| Compatible Operator Type | Commercial vehicular swing gate operators |
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| Notes | Bottom-mount style must match the original reducer |
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Compatible With
Compatibility depends on the exact operator model, generation, gear ratio, shaft layout, mounting position, and original parts diagram. Use the list below as a practical fitment guide, not as a universal interchange list.
- LiftMaster CSW24U commercial swing gate operators
- LiftMaster CSW24V commercial swing gate operators
- LiftMaster CSW24VDC commercial swing gate operators
- Select CSW24DC / CSW24 series applications using the bottom-mount K32-35814-1 reducer
Also Known As / Related Part Numbers
- K32-35814-1
- 32-35814-1
- G32358141
- K32-35814 is related but may not match the bottom-mount configuration
Technician Note
Confirm the reducer is the bottom-mount version and compare shaft orientation before ordering. A standard reducer with a different mount may not line up correctly.
Before Ordering
- Match the manufacturer part number on the original part or the official LiftMaster parts diagram.
- Confirm gear ratio, shaft size, mounting position, handing, voltage, or kit contents when those details apply.
- Inspect the surrounding chain, sprockets, bearings, clutch, brake, limit hardware, and mounting brackets for wear before replacing only one component.
- Do not substitute a similar-looking reducer, fuse, or clutch part unless the part number and operator diagram support the interchange.
Professional Advisory
Gate and commercial door operators can move heavy loads and may include high-voltage wiring, stored mechanical tension, or monitored safety circuits. Installation, adjustment, and diagnosis should be performed by a qualified gate or commercial door technician when the repair involves electrical components, drivetrain alignment, brake assemblies, or unsafe gate movement.
Product Questions & Answers
Which operators commonly use K32-35814-1?
It is commonly listed for LiftMaster CSW24U, CSW24V, and CSW24VDC commercial swing gate operators.
Why does bottom-mount matter?
The mounting position affects shaft alignment, chain or arm drive geometry, and how the reducer bolts into the operator chassis.
Can this fix a gate that moves slowly?
It may help when the gearbox is worn or slipping, but slow movement can also be caused by batteries, motor issues, gate drag, or control settings.
Is this a universal CSW gearbox?
No. It should be matched to the exact CSW24 model and parts diagram, especially when comparing K32-35814 and K32-35814-1.
What else should be inspected during replacement?
Inspect the drive hardware, mounting bolts, bearings, chain or arm linkage, and gate swing condition before putting the operator back in service.
