Liftmaster K74-50125, CONTROL BOX, Q068
The Liftmaster K74-50125, CONTROL BOX, Q068 is a LiftMaster replacement Control box enclosure used to restore the correct mechanical or electrical housing, drive, or service assembly on the matching operator. This is the type of part that should be selected by the operator model number and the LiftMaster replacement parts diagram, not by appearance alone. Similar LiftMaster and Elite service parts can look close in photos while using different mounting points, wiring locations, sprocket sizes, switch layouts, or enclosure dimensions.
For a service technician or parts-counter check, the important question is whether the original operator calls for K74-50125 or one of the related numbers listed below. When the correct part is used, it helps protect the operator assembly, maintain proper chain or switch alignment, or restore the intended electrical function without forcing a substitute part into the system. If the original part is damaged from impact, corrosion, water intrusion, heat, worn bearings, chain misalignment, or electrical failure, inspect the surrounding parts before installing the replacement so the same failure does not repeat.
Compatible With
This part is commonly associated with the following LiftMaster applications when confirmed by model number, configuration, and the replacement parts diagram:
- LiftMaster HCT overhead gate operators
- HCT/Hercules-style overhead gate operator applications where the parts diagram calls out K74-50125 or Elite Q068
- commercial overhead gate operator control enclosure replacement when the box configuration matches.
Important Compatibility Notes
This is not a complete operator control system. Confirm HCT model, enclosure layout, board mounting, conduit entry, and Elite Q068 cross-reference before ordering.
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster |
| Product Type | Control box enclosure |
| Part Number | K74-50125 |
| Application | HCT overhead gate operator control box replacement |
| Compatible Operator Type | Overhead gate operator |
| Also Known As | Elite Q068 / Q068 |
| Included Components | Control box enclosure only unless otherwise stated |
| Notes | Match by HCT parts diagram and enclosure layout. |
Also Known As / Related Part Numbers
The following numbers and search variations may be associated with this item, but related numbers should not be treated as automatic replacements unless confirmed by the manufacturer parts diagram:
- K74-50125
- 74-50125
- LM-K74-50125
- LIF-K74-50125
- LiftMaster K74-50125
- Elite Q068
- Q068
- HCT control box
- Hercules control box
Technician Note
Before replacing this part, inspect the connected hardware, wiring, mounting points, chain path, limit system, enclosure seal, and operator structure as applicable. A failed service part is often the visible result of another issue such as gate drag, poor alignment, water entry, worn chain, loose hardware, or damaged wiring.
Before Ordering Checklist
- Confirm the exact LiftMaster model number from the operator label.
- Compare the original part number, shape, mounting points, and service diagram callout.
- Check whether the operator is an older, UL, UL325, solar, metal-box, plastic-box, AC, DC, or heavy-duty generation.
- Verify that related part numbers are true matches and not just similar catalog references.
- For electrical parts, disconnect power and batteries before service and use a qualified technician when needed.
Professional Advisory
Gate operators are safety-related systems. Do not bypass monitored safety devices, limit systems, protective covers, or electrical protection to make a part fit. If the operator has unsafe movement, damaged wiring, failed safety devices, or high-voltage concerns, have the system inspected by a qualified gate technician.
Product Questions & Answers
What is K74-50125 used on?
K74-50125 is commonly listed as the Q068 control box for LiftMaster HCT overhead gate operators.
Is Q068 the same reference as K74-50125?
Q068 is a common Elite/LiftMaster related reference for the K74-50125 control box. Use the parts diagram to confirm the exact service part.
Does this include the control board?
No. It should be treated as the enclosure only unless the package specifically says that electronics or wiring are included.
Can it be used on slide or swing gate operators?
Only if the operator parts diagram specifically calls out this box. It is primarily tied to HCT overhead gate operator applications.
What should be checked before ordering?
Confirm the HCT model, original box dimensions and mounting, conduit locations, board mounting points, and Q068/K74-50125 diagram callout.
