Bolt Pattern and Corrosion Resistance For Titan Zinc-Plated Straight-Tongue Coupler - 21,000 lbs
Question:
Im converting my boat trailer to EOH disc brakes, and want to replace my Titan Model 6 Surge Actuator with a standard coupler. Im having problems finding a coupler with the same bolt pattern, as I dont want to drill more holes than necessary in the galvanized tongue. The Model 6 is currently attached using only the three 1/2inch bolt holes. This coupler appears to use the same pattern as the Model 10 and 20 actuators and also the Titan 4853100 coupler, but I have a couple questions: What is the vertical distance from the top inside surface of the coupler to the bolt hole centers? Since this painted coupler has a 500 hour salt spray rating vs. the zinc-coated versions 200 hour rating, does that mean that this coupler would be better suited for a marine saltwater enviroment?
asked by: Kelvin
Expert Reply:
I did pull the Titan Zinc-Plated Straight-Tongue Coupler - 21,000 lbs # T4853100 and measured from the inside top of the coupler to the center of each of the 5 bolt holes from back to front:
2"
1-1/4"
1"
1"
1-1/4"
The hours of test duration depends on the corrosion resistance of the coating. Generally, the more corrosion resistant the coating is, the longer the period of testing before the appearance of corrosion/ rust. That said, the galvanized version is great for marine use using a zinc plating with 500-hour salt spray rating.
Product Page this Question was Asked From
Demco Channel Tongue Trailer Coupler - Silver - 2-5/16" Ball - 3" Channel - Bolt On - 21K
- Straight Tongue Trailer Coupler
- Standard Coupler
- 2-5/16 Inch Ball Coupler
- Bolt-On
- 21000 lbs GTW
- 3 Inch Channel
- Auto Latch
- No Lockout
- Demco
more information >
Continue Researching
- Shop: Demco Channel Tongue Trailer Coupler - Silver - 2-5/16" Ball - 3" Channel - Bolt On - 21K
- Shop: Clamp On Mounting Bracket for Hydrastar Electric Over Hydraulic Actuators
- Video: Hydrastar Brake Actuator HS304-7169 Review
- Shop: Dexter Zinc-Plated Straight-Tongue Coupler - 21,000 lbs
- Shop: Hydrastar Marine Electric Over Hydraulic Actuator w/ Breakaway and 7-Way RV Harness - 1,600 psi
- Shop: Demco Channel Tongue Trailer Coupler - Zinc - 2-5/16" Ball - 3" Channel - Bolt On - 21K
- Shop: Demco Channel Tongue Trailer Coupler - Silver - 2-5/16" Ball - 3" Channel - Bolt On - 18K
- Q&A: Comparing Demco Channel Tongue Trailer Couplers # DM16080-95 & # DM15931-95
- Video: Review of Demco Straight Tongue Trailer Coupler - Standard Coupler - DM16080-95
- Shop: Demco Channel Tongue Trailer Coupler - Zinc - 2-5/16" Ball - 3" Channel - Bolt On - 18K
- Q&A: Distance Between Bolt Holes of Demco Channel Tongue Coupler DM16080-52
- Search Results: coupler
- Q&A: Recommended Replacements for Tie Down Engineering Model 20 Actuator
- Q&A: Hole Dimensions of Demco Channel Tongue Trailer Coupler # DM16080-95
- Q&A: Bolt Hole Spacing of Demco DM16080-52 and Titan T4853100 21K Trailer Couplers
- Q&A: What Are The Differences Between The HydraStar # HS381-9067 and HS481-8067?
- Search Results: hydrastar
- Video: Review of Demco Straight Tongue Trailer Coupler - Standard Coupler - DM15931-52
- Video: HydraStar Electric Over Hydraulic Actuator Kit Review
- Video: HydraStar Vented Marine Electric Over Hydraulic Actuator Installation - 2019 Grand Design Momentum 5
- Q&A: Recommended Actuator and Wiring for Boat Trailer Upgrade From Surge Brakes
- Search Results: mhba 16
- Search Results: junction box
- Search Results: dexter surge brake actuator
- Search Results: waterproof junction box
- Search Results: breakaway
- Video: Bargman Wiring - Trailer Connectors - 54006-009 Review
- Video: Buyers Products Wiring 3375601101 Review
- Shop: Trailer Wiring