Hydrastar EOH Actuator w/ Expanded Reservoir

Hydrastar’s Expanded Reservoir provides over 1 quart (32oz) of total reservoir capacity with the same compact footprint as the standard Hydrastar. This actuator is ideal for multi-axle trailers and applications equipped with long brake line runs that require higher volumes of brake fluid.


Dimensions: 16.4in (L) x 5.4in (W) x 7in (H)
Trailer mounted
12 V DC operation
Uses DOT 3 or DOT 4 brake fluid
Easy to install, 4 12ga wires
Black – constant power
Blue – brake controller
White – ground
Yellow – Break-Away
For any trailer configuration with 1-3 axles
Complies with CFR-393 braking requirements
Over 1 quart (32oz) total reservoir capacity is the largest in the industry.
More fluid translates into better braking performance in larger volume applications
Improves fluid displacement in larger volume applications
Translucent tank allows fluid check at a quick glance
Meets all DOT regulations and complies with CFR-393 federal braking requirements.


Weight N/A
Dimensions N/A

1000 PSI, 1200 PSI, 1600 PSI


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