Trudoor TDC-300 Grade-1 Door Closer

Usually Ships: Same Day
  • Meets ANSI A156.4 Grade 1 Standards
  • Fully adjustable spring power – Size 1 to 6
  • Tri-packed for regular, top jamb, and parallel arm installations

Available Options:


Trudoor TDC-300 Commercial Door Closer, Cast Aluminum Body, Regular Arm with PA Bracket, Full Cover

Trudoor® TDC-300 door closers are an ideal choice for a wide variety of medium to heavy-duty commercial applications where durability, reliability, and code compliance are required at an economical price. These surface-mount hydraulic door closers are for use on exterior or interior doors in office buildings, retail stores, medical & assisted living facilities, government facilities, hospitality, and other commercial buildings.

  • Quality construction and reliability at an affordable price
  • Includes screws and brackets for regular, top jamb, and parallel arm installations
  • Adjustable spring power from Size 1 to 6 – preset to size 3
  • Featuring the industry’s most common hole pattern: 3/4″ vertical x 12″ horizontal
  • Parts and accessories such as hold open arms and drop plates available
  • Heavy-duty cast aluminum closer body, rack & pinion construction
  • Slim 2-1/8” projection with cover installed
  • Powder Coated Finishes: AL/689 Aluminum, BLK/693 Black, BRASS/696 Satin Brass, and DKBRZ/695 Dark Bronze

Code Compliance

  • Meets ANSI A156.4 – Grade 1 Standards
  • UL Listed for “A” Label 3 Hour Fire Doors, UL10C Positive Pressure Rated
  • Meets ADA and ANSI A117.1 Accessibility Codes

Cross Reference

The TDC-300 can be specified as a substitute and/or a direct replacement (shares the same hole pattern) for: Accentra/Yale 2701/3301/3501, Arrow 5016N, Cal-Royal CR801, Calibre CA5500, Design Hardware 316, Doormerica DC851, Dorma 8616, Falcon SC81A, Global TC400/TC500, Hager 5200, International 5000, LCN 1450, Norton 8301/8501, Sargent 1331, Stanley QDC211, Tell 800





689 Aluminum (Powder Coated), 693 Black (Powder Coated), 695 Dark Bronze (Powder Coated), 696 Brass (Powder Coated)

Templating (Hole Pattern)

3/4" x 12"

Mounting Options

Parallel Arm (Push Side), Regular (Pull Side), Top Jamb (Push Side)


Medium Duty

Body Construction

Cast Aluminum Body

Spring Size

Adjustable Spring Size 1-6


Non Handed – Completely Reversible

Speed Control

Independent latch & sweep speed controls


Back check intensity control standard


Staked valves to prevent backing valves out too far

Piston, Spindle, Spring

Heat treated heavy-duty steel piston, spindle and spring


Full Cover

Min. Top Rail

Regular: 3-1/2” – Top Jamb: 2-1/4” – Parallel Arm: 5-1/4”


Thru bolts with machine screws, wood screws & Self tapping machine screws

ANSI Grade

Meets ANSI A156.4 – Grade 1 Standards

ADA Compliance

Meets ADA requirements – A117.1 Accessibility Code

Fire Rating

UL Listed for “A” Label 3 hour fire doors, UL10C positive pressure rated


Limited Lifetime Warranty

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Trudoor TDC-300 Grade-1 Door Closer