1. Brake Actuator
  2. Dexter Axle
  3. Surge Brake Actuator
  4. Disc Brakes
  5. 2 Inch Ball Coupler
  6. 7500 lbs GTW
Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs

Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs

Item # 099-175-20
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099-175-20 - 7500 lbs GTW Dexter Axle Brake Actuator
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Use this corrosion-resistant actuator to synchronize your trailer brakes with your tow-vehicle brakes. Drop-N-Go auto-latch coupler automatically locks your coupler in place on 2" hitch balls. Designed for hydraulic disc brake applications. Call 800-298-8924 to order Dexter Axle brake actuator part number 099-175-20 or order online at etrailer.com. Free expert support on all Dexter Axle products. Guaranteed Lowest Price and Fastest Shipping for Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs. Brake Actuator reviews from real customers.
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  • Q & A (98)
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Dexter Axle Brake Actuator - 099-175-20

  • Surge Brake Actuator
  • Disc Brakes
  • 2 Inch Ball Coupler
  • 7500 lbs GTW
  • Bolt-On
  • Dexter Axle
  • Electric Lockout

Use this corrosion-resistant actuator to synchronize your trailer brakes with your tow-vehicle brakes. Drop-N-Go auto-latch coupler automatically locks your coupler in place on 2" hitch balls. Designed for hydraulic disc brake applications.


Features:

  • Hydraulic actuator synchronizes trailer brakes with tow-vehicle brakes
  • Drop-N-Go coupler mechanism ensures easy, secure connection
    • Automatically seats around and latches onto the hitch ball, even when in closed position
    • Included pin secures ball in coupler socket - coupler lock sold separately
    • Low-profile handle is easy to pull up for release
  • Aluminum master cylinder is better at reducing corrosion than cast steel master cylinders
  • Rollers with grease fittings are long-lasting and provide smooth operation
  • Breakaway kit included
  • Zinc plating is corrosion resistant
  • Durable steel construction
  • Bolt-on installation
    • Bolt holes 3" apart on center
  • Made in the USA


Specs:

  • Application: hydraulic disc brakes
  • Ball size: 2"
  • Mounting: 3" wide channel tongue
  • Capacity: 7,500 lbs
  • Maximum tongue weight: 700 lbs
  • 1-Year warranty


When you apply the brakes in your tow vehicle, deceleration occurs and momentum pushes your trailer toward the rear of your vehicle. With surge brake systems, the actuator is triggered as your trailer moves forward while the tow vehicle slows. The actuator telescopes, applying force to its master cylinder, which in turn supplies the necessary hydraulic pressure to engage the trailer's brakes.



099-175-20 Dexter Drop and Go Brake Actuator - Disc brakes

Replaces Titan Model 60 Leverlock Trailer Brake Actuator for Disc Brakes - T47154107K, T47154207K, T47154007K






Customer Reviews

Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs - 099-175-20

Average Customer Rating:  5.0 out of 5 stars   (4 Customer Reviews)

Use this corrosion-resistant actuator to synchronize your trailer brakes with your tow-vehicle brakes. Drop-N-Go auto-latch coupler automatically locks your coupler in place on 2" hitch balls. Designed for hydraulic disc brake applications.

- 099-175-20
by:

Actuator works great. Very smooth stop. Well built. 766600



- 099-175-20
by:

Product arrived just as described and packaged well! 726915



- 099-175-20
by:

Actuator is quality product. I was replacing a Tie Down 70E actuator that was 10 years old ( master cylinder and backup solenoid failed due to rust sediment buildup ?) Be aware that the actuator does not come with mounting hardware so save yours from old unit , also does not come with instructions-download from web. The only noticeable difference between the newer and the old unit was the backup sensitivity. The old unit needed the solenoid energized with just the trailer -the new unit didn’t need the solenoid energized with trailer and boat unless you were going up an incline(even with adjustment of the bolts joining the two pieces) Overall very satisfied-as a side note both Tie Down and Titan were bought by Dexter Axle 636937



- 099-175-20
by:

I have been ordering from etrailer.com for years and have not been disappointed. Their prices are great, they communicate the order status very well, and ship the products quickly. I have been having ongoing issues with my trailer brake pressure not relieving, thus applying the brakes continuously. This order was for a new actuator which I believe will correct the problem. I just installed the actuator and it fit as expected. 549905


4
4

Ask the Experts about this Dexter Axle Brake Actuator

  • Comparing Demco and Titan Disc Brake Actuators with Electric Lockouts
    That is a tough question to answer as both are excellent manufacturers with their respective pros/cons. In regards to brake actuators, they both make and manufacture them here in the U.S.A. and they both come with a one year warranty. In regards to differences, Demco makes a wide range of different trailer and towing products whereas Titan specializes more in trailer brakes. WIth that being said we have had more positive feedback from Titan products in regards to trailer brakes, actuator...
    view full answer...
  • How to Bleed Brake Lines with Titan Model 60 Hydraulic Brake Actuator Without Electric Lockout
    The Dexter Brake Actuator part # 099-175-20 replaced the Titan 60 that has a master cylinder with a fitting at the end. The fitting is a 3/16 inverted flare where the brake lines connect to. You do not need an extra fitting when you use the actuator. If you ever need to replace the fitting, it is part # T4750300. I recommend Kodiak Brake Line for Single Axle trailers part # 18SI-BLKIT. The flexible line of the Kodiak kit has a thread size of 3/8"-24 and fits a 3/16" fitting like the...
    view full answer...
  • Can the Titan Aero 6000 Surge Brake Actuator Be Repaired Or Should It Just Be Replaced
    For a Four Winns Boat Trailer with Titan Aero 6000 Surge Brake Actuator, I recommend replacement using the Titan Zinc-Plated, Leverlock Brake Actuator part # 099-175-20 which is ready to go as is and will be a great fit. The reason I recommend replacement is because of the availability of spare parts. Although we do have the Replacement Damper part # T4502000 and Replacement Master Cylinder part # T4395100 (Confirmed for Aero 6000), there are still several other smaller parts that could...
    view full answer...
  • Solution for Needing Replacement Shock for Atwood Actuator
    Since we can't get the Atwood replacement shock anymore that you mentioned your best option would be to replace the actuator with a more reliable one like the Demco # 8605001 for if you have a drum brake setup or part # 099-175-20 for if you have a disc setup.
    view full answer...
  • Converting Boat Trailer Brakes From Surge Drum Brakes To Surge Disc Brakes
    If you are looking to use your Demco brake actuator you need to make sure it is compatible with disk brakes. Some actuators will only work with drum brakes because drum brakes do not require as much "pound per square inch" of fluid as a disk brake set up does. If it does not then you have to replace the actuator. I recommend Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs Item # 099-175-20. It is a bolt on application with the reverse lockout feature,...
    view full answer...
  • Do the Dexter DX7.5 Drop-N-Go Brake Actuators Work with Disc and Drum Brakes and How Many Axles
    The difference between the two actuators is the Psi output of them. Disc brakes require a higher pressure than drum brakes do. For disc brake applications use the Dexter DX7.5 Drop-N-Go Brake Actuator part # 099-175-20 and for drum brakes use part # 099-175-00. Both of these can be used with single or tandem axles trailers. They are both rated for up to 7,500 lbs. gross trailer weight and 700 lbs. tongue weight. Keep in mind if you do not already have one the Replacement Solenoid...
    view full answer...
  • Replacement Hydraulic Disc Brake Actuator To Replace Tie Down 70lc
    According to my research the Tie Down 70lc is a hydraulic disc brake actuator. They are no longer made but can definitely be replaced with another actuator. I recommend to use the Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes part # 099-175-20 which is also a low profile hydraulic disc actuator with an electric lockout like the Tie Down model. It has the included nice feature of automatically seating around and latching onto the hitch ball for convenient hook up. I have attached a...
    view full answer...
  • Will Dexter DX7.5 Actuator Fit in Place of a Tie Down Model 70E Actuator
    If your trailer tongue is 3 inches wide and the mounting holes for your existing Tie Down actuator are 3 inches apart on center then Dexter Zinc-Plated Brake Actuator, Item # 099-175-20 (replacement for Titan 60) will fit. I have linked a video review of this actuator for you.
    view full answer...
  • 2007 Ranger Trail Replacement Actuator for Tie Down Model 70
    Since we don't have a replacement master cylinder for your actuator you'd have to go with a new actuator. For a 7.5k disc brake model with an electric reverse lockout solenoid you can use # 099-175-20. This would be a great replacement solution.
    view full answer...
  • Which Type Of Brakes Are Recommended For A Boat Trailer
    For all boat and watercraft carrier trailers, I recommend using surge brakes as electric drum brakes are not ideal for use with boat trailers as we all know water and electricity do not mix. A surge brake setup can be activated by one of two ways. The first being a hydraulic surge coupler installed on the trailer's tongue such as the Dexter Zinc-Plated Brake Actuator part # 099-175-20. The second is through the use of an electric over hydraulic actuator such as the HydraStar Electric...
    view full answer...
  • How to Convert from Hydraulic Drum to Hydraulic Disc Brakes on a Boat Trailer
    You should have no problems whatsoever installing a disc brake actuator with reverse lockout solenoid on your boat trailer. The reverse lockout solenoid will only add about 3" to the end of the actuator. I recommend the Dexter Zinc-Plated Brake Actuator w/ Electric Lockout part # 099-175-20. This actuator is rated for use on disc brakes, has a 7,500 lb gross trailer weight (GTW) rating, and will work with 2" hitch balls. In order to make sure this actuator will work for you, you will...
    view full answer...
  • Replacement Coupler Needed for Tie Down Engineering 66 Model Actuator
    I was able to find that your Tie Down Engineering 66 Model actuator fits trailer tongues that are 3"x3", 3"x4", and 3"x5". It is only compatible with 2" hitch balls but I was unable to find the mounting hole measurements. We do have a wide variety of actuators like the Dexter # 099-175-20 or standard couplers like part # DM12925. Since you say straight coupler I am not sure if you are looking for an actuator that doesn't have a drop or if you are looking for a standard coupler. If you...
    view full answer...
  • Actuator Replacement Recommendation for Tie Down Model 70
    For a disc brake model with an electric reverse lockout solenoid you can use # 099-175-20. This would be a great replacement solution.
    view full answer...
  • Difference Between Hydraulic Brake Coupler with Lockout and Without Lockout
    What a lockout on a hydraulic brake coupler does is prevent the brakes from applying when you back the trailer. An electric lock out is tied into the reverse lamp circuit on the vehicle so that when the vehicle is shifted into reverse the solenoid in the coupler is activated which prevents the trailer brakes from applying. If your boat trailer had free-backing brakes, you won't need a lockout because after being pushed a foot or so the brake assemblies disengage. For a 7500 lb hydraulic...
    view full answer...
  • Tie Down Model 70 Surge Brake Actuator Replacement Recommendation
    For a disc brake model with an electric reverse lockout solenoid you can use # 099-175-20.
    view full answer...
  • Can Disc Brake Actuator be Connected With Elbow After Solenoid
    I don't see any reason why you can't connect an elbow to in the manner you are speaking of with a disc brake actuator like the Dexter DX7.5 Drop-N-Go Brake Actuator - Disc Brakes - 2" Ball - Zinc Plated - 7,500 lbs # 099-175-20. The shock in the actuator needs to be perfectly horizontal, of course, but there's no reason you can't attach a 90 degree elbow to ensure you can get the fit you need.
    view full answer...
  • How Long Should Trailer Breakaway Cable be That Attaches to Vehicle Hitch
    This is a really good question that we've debated here a few times but the final word was determined to be that you want the breakaway cable to attach to the vehicle hitch/frame and should be longer than the safety chains according to RVIA Recreational Vehicle Industry Association. This will activate the brakes in the event you lose the trailer connection and the safety chains fail. Most of the ones we carry are between 4 and 6 feet long.
    view full answer...
  • Replacement Disc Brake Actuator Recommendation for Atwood Coupler
    Atwood actuators are no longer made and what you'll need to do is have yours removed and a better one installed in it's place. Nearly every time we get a question about troubleshooting an actuator or needing replacement parts it's an Atwood in question so going to a different setup will long term be your best option. For a Dexter actuator for disc brakes we have the part # 099-175-20 which would be a great option.
    view full answer...
  • What is the Best Disc Brake Actuator for a Four Winns Horizon 190 Boat Trailer
    If you are wanting to replace the entire surge brake actuator on your Four Winns Horizon 190 boat trailer then I have exactly what you will need. I recommend using the Dexter Disc Brake Actuator part # 099-175-20. This actuator works with 2" hitch balls. It has a 7,500 lb weight capacity, fits a 3" wide channel, and includes a electric lockout feature so you will not have any issues backing the trailer up. The actuator also offers a completely bolt-on installation. The Titan brake actuators...
    view full answer...
  • What Voltage is Needed for the Electric Reverse Lockout Solenoid on a Dexter Actuator
    The reverse lockout solenoid on the Titan actuator # 099-175-20 is rated for 12 volts. Nine volts might do the trick but 12 volts is ideal. If you cannot get 12 volts at the reverse lights or 7-Way trailer connector then you may be able to use a fuse tap at the reverse light circuit fuse under the hood. There will be some slight movement but if the unit is banging around a lot then it could indicate worn parts.
    view full answer...
  • How to Choose Correct Hydraulic Disc Brake Actuator and Hubs for a Boat Trailer
    When it comes to the best hydraulic actuator one of our most popular options is the Brake Actuator with Electric Lockout # 099-175-20 from Dexter which has a weight capacity of 7,500 lbs. It is compatible with a 2" hitch ball and fits 3" wide channel tongues. To determine what is best for your application you can filter through the linked selection of disc brake actuators and choose the hitch ball size you will be using as well as the weight capacity needed and what type of mounting you...
    view full answer...
  • Difference Between Model 60 Surge Trailer Brake Actuators that Fit Disc and Drum Brakes
    Trailer drum and disc brakes require different psi ratings so that's why the part # T47154007K can only be used on disc brakes. Drums usually need 1,000 psi whereas disc needs 1,600 psi. For a version of this coupler that is designed for drum brakes you'd want the part # T43329007K. Or you can change out the master cylinders to fit the application. For a Model 60 actuator like this the part # T4820000 is for disc and part # T4395100 is for drum. To convert either actuator would only...
    view full answer...
  • Can Emergency Lever on Actuator be Used to Bleed Surge Brakes
    Yes, you can use the emergency breakaway lever on a surge brake actuator to bleed your brakes. I have attached a link to one of our videos which shows how to bleed surge brakes that you can reference.
    view full answer...
  • Troubleshooting Bleeding Brakes with Vacuum Brake Bleeder
    You shouldn't be experiencing issues with bleeding the brakes with a Vacuum Brake Bleeder, like part # PTW87030, after installing the Brake Actuator with Electric Lockout # 099-175-20. It sounds like you might have a clog somewhere in your brake line. What you will want to do is find the next closest fitting from the brake on the trailer and try bleeding the brake line from there. If it bleeds just fine then you know that you need to replace the brake line section that you just bypassed....
    view full answer...
  • Is a 7-Way Round Connector Used to Activate Surge Brakes on Boat Trailer
    The surge brakes on your boat trailer operate completely independent from the trailer wiring/connector so there isn't a pin on the 7-way that activates the surge brakes. The wiring that your mechanic was speaking of is that used for an actuator with a reverse lockout solenoid, like part # 099-175-20. In this case you would need to run a wire from the reverse light circuit to the solenoid so that you can reverse your trailer without the actuator activating the brakes of the trailer.
    view full answer...
  • What is Needed to Allow Dexter Disc Brake Actuator to Back Up without Brakes Locking Up
    The Dexter DX7.5 Drop-N-Go Brake Actuator # 099-175-20 that you referenced has an electric reverse lock out which allows the brakes to deactivate when you go in reverse.
    view full answer...
  • How Does Breakaway Kit of Titan Model 60 Actuator Reset
    I spoke to my contact at Titan about resetting a Titan Model 60 actuator which is not the Dexter part # 099-175-20. You have to remove the cover and then carefully remove the spring inside. Then set the lever in the disengaged position and re-insert the spring.
    view full answer...
  • Surge Brake Actuator Replacement Recommendation for Atwood Surge Coupler
    The Atwood surge brake actuators are the ones we get the most feedback on with issues. We have the Dexter actuator part # 099-175-20 which will work great as a replacement. This actuator is designed for disc brakes like you need, has an electric reverse lockout and can fit all ball sizes as well. Titan actuators are very reliable as well.
    view full answer...
  • Troubleshooting Corroded Master Cylinder on Titan Actuator 60 Model
    I spoke with my contact at Dexter/Titan and he said he doubts your actuator could have any serious rust build up in a month's time, certainly not enough to clog anything. He recommended cleaning the cylinder with an alcohol solution and paint brush making sure you slosh the alcohol around. It is fairly easy to remove the cylinder. Just remove the back cover, detach the line and loosen the four bolts. Most likely the problem is that the coupler is not fully extended. If it is not fully...
    view full answer...
  • Solution to Make Towing Trailers with Two Different Hitch Ball Sizes Easy
    Since there isn't a way to easily convert the Titan actuator part # 099-175-20 to a 2-5/16 inch ball size your best option will be to use a ball mount that has both ball sizes on it. This will make it very easy to tow either size coupler. A really great option for that is the B&W Tow & Stow 2-Ball Mount # BWTS10033C. This gives you the two ball sizes you need and is rise/drop height adjustable which gives you flexibility to tow your trailer as level as possible.
    view full answer...




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Info for this part was:

Expert Research:
Mike L
Expert Research:
Jameson C
Edited by:
Lindsey S
Installed by:
Jeff D
Written by:
Mike S

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