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4010 / 4020 / 4110 Series Closers

These heavy-duty closers are designed specifically for unique applications. They meet the demands for high-traffic installations.


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The 4010, 4020 and 4110 Series are heavy-duty closers that meet demands for high-traffic installations, and each are designed specifically for unique mounting applications. They are UL and cUL listed, meet ANSI/BHMA Grade 1 standards and boast 30-year warranties. They feature a standard plastic cover, with optional plated finishes for the cover, arm and fasteners. They also feature the LCN Green Dial spring power indicator, which takes the guesswork out of adjustment.

Cast Iron

  Heavy Duty

Surface Mounted


Body Construction

  • Cast iron cylinder with full-complement bearing
  • 1-1/2” diameter piston
  • Double heat-treated steel pinion journal

Quality and Durability

  • All-weather fluid
  • LCN patented Green Dial spring power indicator
  • 30-year warranty


  • Application specific handed
  • Standard plastic cover
  • Adjustable spring sizes 1-5 or 6 only
  • Sized cylinders for interior doors to 5'0'' and exterior doors to 4'0''
  • Non-sized cylinder is adjustable for interior doors to 4'6'' and exterior doors to 3'6''
  • Meets ADA requirements
  • UL and cUL listed for self-closing doors with regular or fusible link arms for self-closing doors
  • Tested and certified under ANSI/BHMA A156.4 Grade 1
  • Powder coat finish offered in standard colors and a large selection of optional custom colors
  • Standard plastic cover and optional handed metal cover available
  • Optional plated finish on metal cover, arm and fasteners
  • Optional SRI primer for installations in corrosive conditions available with powder coat only

The 4010 Series mounts hinge pull side, the 4020 Series mounts push side top jamb and the 4110 Series mounts push side parallel arm. Visit the 4010 Series, 4020 Series and 4110 Series catalog pages for mounting details, arm options and accessories.

Need Replacement Parts?

Get the resources you need to get in touch with an Allegion team member for LCN replacement parts.


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Did You Know?

Since 1877, LCN has been a leader in delivering safety and security through superior door control and best-in-class customer service. From installation through daily operation, customers can count on LCN.

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As part of Allegion’s family of pioneering brands, LCN benefits from the strength, efficiencies, resources, and integration from a global power. In turn, we pass those advantages on to you.

Allegion helps keep people safe and secure where they live, work and visit. With more than 30 brands sold worldwide, we specialize in security around the doorway and beyond. It’s the power of one.