Liftmaster K99-ENF-DRCHN, DRIVE CHAIN KIT, ENFORCER
The K99-ENF-DRCHN drive chain kit services the chain-driven lifting and synchronization system inside select LiftMaster Enforcer motorized traffic spike units. In this type of perimeter access equipment, the chain is part of the mechanical drive path that transfers motion from the drive hardware to the moving spike assembly. When the chain stretches, rusts, binds, or develops stiff links, the spike section may move unevenly, chatter, fail to fully reset, or put extra strain on the sprockets and shaft hardware.
This kit is intended for Enforcer traffic control systems, not for residential garage door openers, standard slide gate operators, or barrier arm operators. Correct fitment matters because the chain pitch, length, attachment points, and tension range must match the Enforcer chassis. A technician should compare the existing chain, operator model, and parts diagram before installing the replacement.
Compatible With
This compatibility section is written for supported product families and common model references. Always verify the original part number, operator model, configuration, and parts diagram before ordering.
- LiftMaster Enforcer motorized traffic spike systems
- Model 13100 surface-mount Enforcer systems
- Model 13100XC surface-mount Enforcer XC systems
- Model 13200 in-ground Enforcer systems
- Model 13200XC in-ground Enforcer XC systems
- Motorized Traffic Spike (MTS) surface-mount configurations when the Enforcer parts list calls for K99-ENF-DRCHN
- Motorized Traffic Flow / in-ground traffic spike configurations when the Enforcer parts list calls for this chain kit
Also Known As / Related Part Numbers
- K99-ENF-DRCHN
- LM-K99-ENF-DRCHN
- ENF-DRCHN
- Drive Chain Kit Enforcer
- Enforcer drive chain replacement kit
Features & Specifications
| Feature / Specification | Details |
|---|
| Manufacturer | LiftMaster |
| Product Type | Drive chain replacement kit |
| Part Number | K99-ENF-DRCHN |
| Application | Motorized traffic spike drive chain service |
| Compatible Operator Type | Perimeter access, traffic spike, or barrier gate equipment as noted |
| Primary Compatibility | LiftMaster Enforcer motorized traffic spike systems, including Models 13100, 13100XC, 13200, and 13200XC when confirmed by the parts diagram. |
| Notes | Verify by original part number, installation style, and current parts diagram. |
Technician Note
Traffic spike and barrier gate parts often look similar across product families, but small differences in thickness, linkage geometry, tooth section, chain pitch, or mounting pattern can prevent proper operation. Match the part number and installation type before ordering.
Before Ordering
- Confirm the exact manufacturer part number on the existing part or parts diagram.
- Verify the operator model, series, and surface-mount versus in-ground configuration.
- Compare dimensions, section length, plate thickness, linkage style, mounting holes, and related hardware.
- Inspect adjacent parts that may have caused the failure, such as sprockets, chains, pivots, teeth, shafts, bushings, or control wiring.
- Do not order by appearance alone; similar LiftMaster, Elite, Magnetic, Enforcer, and EZ traffic-control parts may not interchange.
Important Ordering Warnings
- This is not a universal roller chain for all LiftMaster gate operators.
- Verify the original chain routing, master link style, sprocket condition, and tension hardware before ordering.
- If the chain failed from a seized sprocket, bent shaft, or damaged teeth section, the related drive parts should be inspected at the same time.
Professional Advisory
This is a specialty perimeter access replacement part. Work on powered traffic spike, barrier, or access-control equipment should be performed with the system locked out and with the correct manual available. Do not bypass safety, traffic-control, or warning devices to keep a system in service.
Product Questions & Answers
What does the K99-ENF-DRCHN kit replace?
It replaces the drive chain used in select LiftMaster Enforcer motorized traffic spike systems.
Which Enforcer models are commonly associated with this chain kit?
It is commonly associated with LiftMaster Enforcer 13100, 13100XC, 13200, and 13200XC systems when the parts diagram confirms K99-ENF-DRCHN.
Is this the same as a standard gate opener chain?
No. This is a specialty Enforcer traffic spike drive chain kit and should not be treated as a universal slide gate or garage opener chain.
When should the drive chain be replaced?
Common replacement reasons include stretched chain, corrosion, stiff links, chain jump, poor spike synchronization, or visible damage after a drive system inspection.
Should the sprockets be checked when replacing the chain?
Yes. A worn or damaged sprocket can quickly damage a new chain, so the sprocket, shaft, coupling, and tension hardware should be inspected before the system is returned to service.
