At a Glance
- SKU: HBA-10
PRODUCT INFORMATION
Product Details
Trailer Brake Actuators / Electric-Over-Hydraulic
Hydrastar HBA-10 Electric-Over-Hydraulic Actuator | 1,000 PSI for Drum Brakes
Upgrade to instant, proportional braking that eliminates surge lag and provides total control when backing up or navigating steep grades.
Part Number: HBA-10 1,000 PSI Drum Brake Compatible
Overview
The Hydrastar 1,000 PSI actuator is the ultimate performance upgrade for trailers with hydraulic drum brakes. This Electric-Over-Hydraulic (EOH) system triggers the moment you touch your vehicle's brake pedal, delivering smooth, jerk-free stopping power that matches your vehicle's braking intensity without the "push" feeling common in surge systems.
R&P Service Insight
This system is a game-changer for marine trailers where corrosion and steep ramps are constant factors.
- No Lockouts: Back up freely without manual coupler pins.
- Vented Housing: Releases heat and moisture to protect electronics.
- Maintenance: Flush brake fluid annually and check 7-way plugs for corrosion.
R&P Knowledge Hub
Compatibility: Designed specifically for hydraulic drum brakes. Not for use with disc brake systems.
Vehicle / System Fit: Suitable for single or tandem axle trailers with a total rating up to 7,000 lbs.
Installation Notes: Requires an in-cab electric brake controller and a 5-amp-hour breakaway battery kit (sold separately).
Performance Insight: The extruded anodized aluminum housing provides superior salt-water resistance for marine applications.
R&P Repair Insight
Use the following checklist to ensure a successful conversion from surge couplers to EOH:
- Pressure Check: Confirm your trailer has Drum Brakes (requires 1,000 PSI).
- Wiring Prep: Ensure your tow vehicle has a 7-way plug with a dedicated 12V power lead.
- Mounting Space: Unit dimensions are 11-3/4" L x 3" W x 7-3/8" H; verify frame clearance.
Features
Instant Response
Eliminate surge lag; brakes activate immediately upon pressing the vehicle brake pedal.
Effortless Reversing
No manual lockouts or pins required to back up, even on inclines or ramps.
Marine-Grade Build
Anodized aluminum housing and weathertight seals defend against water and grime.
Proportional Control
Electronic valve mirrors vehicle braking intensity for smooth, balanced stops.
Specifications
| Specification | Detail |
|---|---|
| Part Number | HBA-10 |
| Product Type | EOH Actuator |
| Max Pressure | 1,000 PSI |
| Material | Anodized Extruded Aluminum |
| Dimensions | 11.75" x 3" x 7.375" |
| Power Input | 12V DC |
| Port Size | 3/16" Hydraulic Port |
Fitment / Application
| Category | Details |
|---|---|
| Axle Count | Single or Tandem Axle |
| Max Capacity | 7,000 lbs |
| Brake Type | Hydraulic Drum Brakes |
| Notes | Not compatible with Disc Brakes (requires 1,600 PSI). |
Included Components
| Quantity | Item |
|---|---|
| 1 | Hydrastar 1,000 PSI Actuator Unit |
| 1 Set | Frame Mounting Hardware |
| Built-In | Bleeder Screw for Maintenance |
| 4-Wire | Pre-attached Lead Wires (Black, Blue, Yellow, White) |
Installation Requirement: To ensure emergency safety compliance, this actuator must be paired with a 5-amp-hour (minimum) breakaway battery kit. Verify your tow vehicle's brake controller is compatible with Electric-Over-Hydraulic systems before operation.
Related Parts & Kits
Check fitment, measurements, and kit contents before ordering. Related parts may not be required for your repair.
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