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Old 05-17-2011, 11:46 AM   #1
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Loren B.'s Avatar
Join Date: Dec 2004
Location: Rising Sun, IN
Posts: 103
Hydraulic disc brake systems - Which to buy?

I need help in deciding which hydraulic disc brake power unit to install on the trailer. I have a BrakeSmart brake controller (excellent unit) on the pickup.
There seem to be two different styles. The more common system uses an electric pump mounted on the trailer to supply hydraulic pressure to the brakes. From what I have read, it seems these pumps do not run until the TV signals for brake application. At that time, the pump starts and as pressure builds it is routed to the disc calipers. I have not heard of any of these systems that incorporate an accumulator.
The inherent design flaw with this type of system is the delay from the time braking is demanded and the time that pressure builds sufficiently to apply the brakes. I expect that this delay is different for different systems.
The other style system uses a standard brake master cylinder to apply the trailer brakes. The piston is moved by an electric servo motor and gears. This system would also have some delay as the rod is moved into the master cylinder, but presumably the delay is less than with an electric pump.
It appears that the master cylinder system is made only by TowBrake. See here:
Welcome to Towbrake.com
Besides the (presumably) shorter time delay, the advantage to the TowBrake system is that it has provisions for a parking brake. After talking to the company, I learned that the parking brake isnít useful for long-term (over an hour or so) parking, but can be used as an aid to loading a utility trailer or hitching up.
Does anyone have any experience with either of these systems? I would appreciate your opinions.

Ė Loren

2012 New Horizons 36' Travel Trailer, Front Kitchen
2008 Dodge Ram, 6.7 liter Cummins Diesel, 4WD, Quad Cab
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Old 11-29-2013, 04:46 PM   #2
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Roosters 67's Avatar

Join Date: Nov 2013
Posts: 184
Did you complete this conversion? I am looking at do a disc brake conversion on my 5vr myself. I was looking at Kodiak braking systems, along with the Actulink actuator and controler.
Spencer & Tracie RVM#62
2013 RAM 3500DRW 4x4 Laramie, Cummins, 385HP,850FTLBS Aisin Trans
2014 DRV Elite Suite 41RESB4
Spare puller:2004 RAM3500DRW Cummins (DW's truck)
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