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Option For New Electric Over Hydraulic Actuator to Replace Ausco  

Updated 08/13/2024 | Published 08/08/2024

Question:

I’ve got a boat trailer 1998 with an ausco brake system. The brake actuator requires a special ausco controller that controls the delay in which the brakes operate. I want to replace that actuator with something new that will be compatible with a standard truck brake controller I’ve got a 2024 Chevy Silverado I believe the system is hydraulic and I’d prefer to keep that so I don’t have to make a full switch to all electric. Can you provide a recommendation for what kind of actuator to use ? Thank you ! Alex

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Expert Reply:

Hey Alex,

So it sounds like you just want to replace your Ausco electric over hydraulic actuator with one that is compatible with your Chevy's brake controller, and you can definitely do that no problem. Since you have a boat trailer I'm assuming disc brakes and what you can get is the Hydrastar Vented Marine Electric Over Hydraulic Actuator for Disc Brakes # HS381-8067.

This will work with your Chevy brake controller so it won't require you to switch from EOH to the weaker all-electric brakes on your trailer.

expert reply by:
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Kyle S
Alex profile picture

Alex

8/12/2024

Kyle , Thanks ! The trailer actually has drum brakes. Would which one of the actuators would I need ? Looks like there are 1000psi, or 1200 psi. The boat / trailer is about 8000 lbs so would the 1200 psi be the correct unit ? Also would I need to buy the CAM unit to make the truck brake controller work ? Thanks again !

Kyle S. profile picture

Kyle S.

8/12/2024

@Alex Gotcha, thanks for the update; most boat trailers have disc brakes which is why I made an assumption, but should've given both options. That said, go with the 1,200 psi for drum brakes, which is the Hydrastar Vented Marine Electric Over Hydraulic Actuator for Drum Brakes - 1,200 psi # HS381-8066. As for the adapter, yes, for the 2024 Silverado you will need the # HBA-CAM.
Alex profile picture

Alex

8/12/2024

@KyleS thank you. Just to confirm. The actuator in this package is the same one your referencing above right ? Hydrastar Hydrastar Marine Electric Over Hydraulic Actuator w/ Breakaway and 7-Way RV Harness - 1,200 psi Part Number: HS381-9066
Kyle S. profile picture

Kyle S.

8/13/2024

@Alex Yes sir, the actuator is the same one in the # HS381-9066.

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