LiftMaster KJTW772 Jamb Track Wheel 2.75 Inch
The LiftMaster KJTW772 is a 2.75 inch jamb track wheel used with select LiftMaster commercial gate operator systems. Jamb track wheels help guide and stabilize the moving gate or door assembly along its track path, reducing drag, binding, and side movement when the system is correctly aligned.
This wheel is a size-specific replacement component. It should not be substituted with a 3 inch or 1.5 inch jamb track wheel unless the parts diagram and original wheel measurements confirm interchangeability. Wheel diameter, shaft style, bearing condition, mounting position, and track clearance all affect operation.
Use KJTW772 when the original 2.75 inch jamb track wheel is worn, cracked, flat-spotted, noisy, seized, or no longer keeping the gate properly aligned. Track wear or bracket misalignment should be corrected at the same time so the new wheel is not damaged prematurely.
Features & Specifications
| Manufacturer | LiftMaster |
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| Product Type | Jamb track wheel |
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| Part Number | KJTW772 |
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| Application | Guided commercial gate/door track support |
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| Compatible Operator Type | Select LiftMaster commercial gate operators |
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| Wheel Diameter | 2.75 inch / 2-3/4 inch |
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| Related Sizes | KJTW773 3 inch; KJTW774 1.5 inch |
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| Notes | Wheel size and mounting arrangement must match the original assembly |
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Key Features
- 2.75 inch replacement jamb track wheel
- Helps guide and stabilize compatible moving gate assemblies
- Used in commercial gate operator applications
- Important for reducing drag, noise, and side play when properly aligned
Compatible With
- Select LiftMaster commercial gate operators using a 2.75 inch jamb track wheel
- Guided gate or door assemblies that list KJTW772 in the parts diagram
- Applications requiring the 2-3/4 inch LiftMaster jamb track wheel size
- Not a confirmed substitute for KJTW773 3 inch or KJTW774 1.5 inch wheels
Also Known As / Related Part Numbers
- KJTW772
- JTW772
- LM-KJTW772
- 2.75 Inch Jamb Track Wheel
- 2-3/4 Inch Jamb Track Wheel
Common Replacement Reasons
- Wheel is cracked, seized, flat-spotted, or excessively worn
- Gate drags, binds, rattles, or walks in the track
- Wheel bearing noise or poor track engagement appears during travel
Technician Note
Measure the original wheel and check the track clearance before ordering. The 2.75 inch, 3 inch, and 1.5 inch LiftMaster jamb track wheels are size-specific service parts.
Before Ordering
- Confirm the original wheel diameter is 2.75 inch
- Verify the original part number or parts diagram calls for KJTW772
- Inspect the track, bracket, shaft, and fasteners for wear
- Check gate alignment before returning the operator to service
Professional Advisory
A new wheel will not correct a bent track, sagging gate, or misaligned support bracket. Correct the mechanical cause of wheel wear before repeated replacements.
Product Questions & Answers
What size is KJTW772?
KJTW772 is the 2.75 inch, or 2-3/4 inch, LiftMaster jamb track wheel.
Can KJTW772 replace KJTW773?
Not automatically. KJTW773 is a 3 inch wheel, so the original wheel size and parts diagram must be checked.
What does a jamb track wheel do?
It helps guide and stabilize a gate or door assembly along the track so the operator is not fighting side load or misalignment.
When should this wheel be replaced?
Replace it when the wheel is worn, cracked, seized, noisy, flat-spotted, or no longer guiding the gate correctly.
What else should be inspected?
Inspect the track, bracket, shaft, bearings, fasteners, gate alignment, and any wear points that may have damaged the original wheel.
