Trystan Casey
Electric over hydraulic trailer brakes are an advanced braking system that combines the control of electric braking mechanisms with the superior stopping power of hydraulic brakes. This system is designed for trailers that are frequently used in challenging conditions or for heavy-duty applications. By utilising an electric signal to control the application of hydraulic brakes, electric over hydraulic trailer brakes offer improved performance, reliability, and safety compared to traditional electric brakes. This technology is a significant upgrade for trailers, ensuring efficient and precise braking control, and enhancing overall safety during towing operations.
| Characteristics | Values |
|---|---|
| Type | Electric over hydraulic trailer brakes combine the control of electric braking systems with the stopping power of hydraulic brakes. |
| Usage | Used in trailers and recreational vehicles (RVs) where the towed vehicle needs to synchronize its brakes with the towing vehicle. |
| Compatibility | Compatible with various trailer types, including utility, boat, livestock, horse, and 5th Wheel RVs. |
| Installation | Easy to install and compatible with a wide range of trailer brake systems. |
| Performance | Provides superior braking performance with precise and reliable braking control, enhancing overall towing performance and safety. |
| Cost | More expensive upfront compared to electric brakes but offer better performance, reliability, and lower long-term costs. |
| Maintenance | Requires less maintenance than electric brakes, which can wear out quickly under constant commercial use and are prone to faults and malfunctions. |
| Safety | Compliant with Department of Transportation (DOT) braking requirements, ensuring legal and safe operation. |
| Control | Provides enhanced control over the trailer's braking force, allowing for smoother and more responsive braking. |
| Stopping Power | Offers much stronger stopping power compared to regular electric brakes, enhancing braking efficiency. |
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What You'll Learn
Electric over hydraulic brakes vs. regular electric brakes
Electric over hydraulic brakes and regular electric brakes are two types of braking systems used in trailers, with both having their own advantages and drawbacks. Electric brakes have been the standard option for trailers for many years due to their cost-effectiveness, especially for trailers that are not used commercially. However, in the hotshot trucking industry, electric brakes often lead to issues due to their design and durability under extensive use, resulting in Department of Transportation (DOT) violations.
Electric over hydraulic brakes, on the other hand, combine the control of electric braking systems with the stopping power of hydraulic brakes. This makes them a more robust option for trailers used in demanding conditions. By using hydraulic brake fluid, similar to car brakes, they provide much stronger stopping power compared to regular electric brakes. Additionally, they reduce the number of electrical connections at the hubs, minimising potential issues caused by debris and corrosion, thereby enhancing overall braking efficiency and reliability.
One of the primary benefits of electric over hydraulic brakes is their superior braking performance, providing precise and reliable braking control for trailers. They also offer smoother and more responsive braking, enhancing safety during towing. While electric over hydraulic brakes are more expensive upfront, they offer better performance, reliability, and lower long-term costs due to reduced maintenance issues and fewer replacements.
In contrast, regular electric brakes rely on electromagnets to activate the brake pads, which can wear down over time due to constant movement and road debris, leading to faults and replacements. This frequent usage can result in increased costs and safety concerns.
Overall, the choice between electric over hydraulic brakes and regular electric brakes depends on the specific requirements and usage of the trailer. While electric brakes are initially cheaper, electric over hydraulic brakes provide improved performance, reliability, and safety, especially for heavy-duty and commercial applications.
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Performance, reliability and cost
Electric over hydraulic trailer brakes offer superior performance, reliability, and cost-effectiveness compared to traditional electric brakes, especially for heavy-duty and frequent use.
Performance-wise, electric over hydraulic brakes provide significantly stronger braking power, with over 1,000 lbs. of braking pressure compared to 400-500 lbs. in electric brake systems. This extra stopping power can be crucial for safety, especially when towing heavy loads. Additionally, electric over hydraulic brakes offer a much smoother and more controlled braking experience. They eliminate the issue of the trailer pushing the tow vehicle, as seen with electric brakes, and instead allow for even and simultaneous stopping. Braking is proportional to speed, reducing wear and tear on both the trailer and the vehicle.
In terms of reliability, electric over hydraulic brakes are more durable and require less maintenance than electric brakes. Electric brakes tend to wear out quickly under constant commercial use, with road debris and constant movement wearing down the magnet and wires, leading to frequent replacements. In contrast, hydraulic systems do not need adjustment and provide consistent braking to all wheel positions, resulting in long-term cost savings.
While electric over hydraulic brakes may be more expensive upfront due to their design and installation complexity, their long-term durability and lower maintenance requirements balance out the initial cost. Electric brakes, despite being cheaper initially, can end up costing more in the long run due to maintenance issues and frequent replacements.
Overall, electric over hydraulic trailer brakes offer enhanced performance, improved reliability, and lower long-term costs, making them a worthy investment for those in the hotshot trucking industry or anyone using trailers extensively.
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Installation
Electric over hydraulic trailer brakes are an advanced braking system that combines the control of electric brakes with the superior stopping power of hydraulic brakes. This system is ideal for trailers used in demanding conditions and heavy-duty applications.
The installation process for electric over hydraulic trailer brakes can be summarised in the following steps:
Step 1: Prepare the Trailer
Jack up the trailer and remove the wheels to access the brake assembly. Refer to the manufacturer's recommendations for safe lifting procedures.
Step 2: Remove Old Components
Remove the existing electric brake drums, backing plates, and any other relevant components. This step ensures a clean slate for the new braking system.
Step 3: Install Caliper Bracket and Bearings
Install the caliper bracket onto the axles' brake flange. Pack new bearings with grease and install them, along with seals, into the integrated hub rotor. Mount this assembly onto the spindle.
Step 4: Mount Brake Calipers
With the caliper bracket in place, mount the brake calipers securely onto the bracket. Ensure proper alignment and torque specifications.
Step 5: Install Electric Over Hydraulic Actuator
Determine the ideal location for the electric over hydraulic actuator. Consider the physical size and weatherproofing capabilities of the actuator. Install the actuator on the trailer, following the manufacturer's recommendations for wiring and connections.
Step 6: Connect Actuator to Calipers
Use steel brake line tubing to connect the actuator to the calipers. Steel tubing is preferred due to the high pressures generated by electric over hydraulic actuators. Ensure all connections are secure and tight.
Step 7: Final Assembly
Once all components are installed and connected, bleed the brakes to remove any air from the system. Test the braking system to ensure proper functionality. Reinstall the wheels, and the trailer is now ready for use with its new braking system.
It is important to note that this is a general overview, and specific installation instructions may vary depending on the trailer's make, model, and unique characteristics. Always refer to the manufacturer's guidelines and seek professional assistance if needed.
Electric over hydraulic trailer brakes offer a significant upgrade in terms of performance, reliability, and safety, making them a worthwhile investment for trailer owners, especially those in the hotshot trucking industry or similar heavy-duty applications.
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Safety
Electric over hydraulic trailer brakes offer several safety advantages over traditional electric brakes. Firstly, they combine the control of electric braking systems with the superior stopping power of hydraulic brakes, making them a robust option for trailers used in demanding conditions. This enhanced stopping power ensures a higher level of safety on the road.
One of the primary benefits of electric-over-hydraulic brakes is the reduction in electrical connections at the hubs, minimising potential issues caused by debris and corrosion. By stopping all electrical connections at the brake booster, the risk of electrical faults at the hubs is significantly reduced, thereby improving safety.
Additionally, electric-over-hydraulic brakes provide smoother and more responsive braking, especially when rapid deceleration is required. This improved control over the trailer's braking force enhances overall towing performance and safety. They are also adjustable, allowing the driver to customise the braking force to suit different conditions and preferences.
The superior performance of electric-over-hydraulic brakes makes them particularly suitable for larger trailers and heavy loads. They are also compatible with various trailer types, including utility, boat, livestock, horse, and RVs. This versatility ensures that a wide range of trailers can benefit from the improved safety that electric-over-hydraulic brakes offer.
While electric-over-hydraulic brakes may be more expensive upfront, they offer better long-term reliability and lower maintenance costs compared to traditional electric brakes. This reliability translates into improved safety, as traditional electric brakes are prone to faults and malfunctions that can lead to safety hazards and Department of Transportation (DOT) violations. Therefore, investing in electric-over-hydraulic brakes can provide peace of mind and ensure safer operations, especially for trailers used extensively or in challenging conditions.
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Compatibility
When considering the compatibility of electric-over-hydraulic trailer brakes, several key factors come into play. Firstly, it is important to ensure that the braking system is compatible with the specific trailer and towing vehicle setup. This includes checking the compatibility of the brake controller, which is mounted inside the cab of the towing vehicle, with the electric-over-hydraulic actuators. Reputable suppliers like etrailer.com offer a range of brake controllers that are compatible with electric-over-hydraulic brake actuators, providing customers with a variety of options to choose from.
Additionally, the physical size of the actuator and its weatherproofing capabilities should be considered when determining compatibility. For instance, a weatherproof actuator, such as the Brakerite EHB, can be mounted anywhere, providing flexibility in installation. The weight of the trailer and the load it carries is another crucial factor in compatibility. Braking systems are designed to accommodate specific weight ranges, so ensuring the electric-over-hydraulic trailer brakes are suitable for the weight of the trailer and its cargo is essential for optimal performance and safety.
In terms of vehicle compatibility, electric-over-hydraulic trailer brakes are widely used in the hotshot trucking industry, where trailers often cover extensive miles and require a robust braking system. They are also suitable for boat trailers, with manufacturers like EZ Loader, Magic Tilt, Pacific Trailers, and Loadmaster offering this option. Electric-over-hydraulic brakes are ideal for trailers that frequently operate in demanding conditions, providing stronger stopping power and enhanced reliability compared to traditional electric brakes.
It is worth noting that electric-over-hydraulic trailer brakes can be installed on trailers with existing electric brakes or no brakes at all. The conversion process involves removing the old brake assembly, installing new components, and ensuring compatibility between the brake controller and the actuator. This upgrade can significantly improve braking performance and reduce maintenance issues associated with traditional electric brakes.
Lastly, it is important to consider compatibility with federal regulations. In the case of trailers equipped with electric-over-hydraulic brakes, federal law mandates the installation of a breakaway kit, including a battery. This safety measure ensures that the trailer brakes will activate if the trailer becomes separated from the towing vehicle, providing an added layer of security and compliance with legal requirements.
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Frequently asked questions
Electric-over-hydraulic trailer brakes combine the control of electric braking systems with the stopping power of hydraulic brakes, making them a robust option for trailers used in demanding conditions. They are designed to enhance stopping performance and improve overall towing safety.
Electric brakes are more cost-effective upfront, but they can lead to maintenance issues and frequent replacements, especially under constant commercial use. Electric-over-hydraulic brakes offer better performance, reliability, and lower long-term costs, making them a superior choice for heavy-duty use.
Electric-over-hydraulic trailer brakes provide superior braking performance with precise and reliable braking control. They offer smoother and more responsive braking, enhancing overall towing performance and safety. They also reduce electrical connections at the hubs, minimizing potential issues caused by debris and corrosion.
