Product Overview
Trudoor TDC-300 Commercial Door Closer, Cast Aluminum Body, Regular Arm with Parallel Arm Bracket, Adjustable Size 1-6, 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 (retrofits Norton 8300/8500)
- 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, Best HD7016, Cal-Royal CR801, Calibre CA5500, Design Hardware 316, Doormerica DC851, Dorma 8616, Dormakaba/Stanley QDC211, Falcon SC81A, Global TC400/TC500, Hager 5200, International 5000, LCN 1450, Norton 8301/8501, PDQ 5301 /5501, Sargent 1331, Tell 800, Townsteel TDC-85


| Brand | |
|---|---|
| Finishes |
696 Brass (Powder Coated), 695 Dark Bronze (Powder Coated), 693 Black (Powder Coated), 689 Aluminum (Powder Coated) |
| Templating (Hole Pattern) |
3/4" x 12" |
| Mounting Options |
Parallel Arm (Push Side), Regular (Pull Side), Top Jamb (Push Side) |
| Usage |
Medium Duty |
| Body Construction |
Cast Aluminum Body |
| Spring Size |
Adjustable Spring Size 1-6 |
| Handing |
Non Handed – Completely Reversible |
| Speed Control |
Independent latch & sweep speed controls |
| Backcheck |
Back check intensity control standard |
| Valves |
Staked valves to prevent backing valves out too far |
| Piston, Spindle, Spring |
Heat treated heavy-duty steel piston, spindle and spring |
| Cover |
Full Cover |
| Min. Top Rail |
Regular: 3-1/2” – Top Jamb: 2-1/4” – Parallel Arm: 5-1/4” |
| Fasteners |
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 |
| Warranty |
Limited Lifetime Warranty |