50mm American Hydraulic Coupler

Part No: 203-00108 Category: Tag:


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50mm Hydraulic Coupler to suit American trailers and drawbars.

Approved to Australian Standards Compliant AS4177.3 50mm Coupling suits 80mm drawbar to replace non-compliant American couplings.

The bleed pump screw is located under the coupling.

A hydraulic actuator is rated at 2000kg and suits tandem hydraulic setups or 2000kg single axle setups.

Note: One axle only requires hydraulic calipers.

The actuator fits either American calipers or Australian calipers.

The hydraulic coupler includes a reversing switch connected to the vehicle’s lights. The switch disengages the hydraulic braking system while reversing.

  • Actuator 7500# 2 Axle DB UFP Inline (A-60).
  • Australian Standards Compliant AS4177.3.
  • New Zealand Standards Compliant NZS5232.
  • REPLACEMENT FOR A70 AND A75 MODEL COUPLERS– Stamped 50 MM Ball size.
  • UFP Part #3531-2.
  • Suits Single and Dual Axle Trailers.
  • Specifically designed for use in the marine environment.
  • The A-60 series brake actuators have plated internal metal working parts, and the Master Cylinder is an all-aluminium design that inhibits corrosion.
  • It is complete with an electrical reverse solenoid that allows you to back up without brakes the engaging.
  • The breakaway cable kit included a reverse lockout and a new pin.

The following 50mm Tow Ball fits this product

Additional information

Weight15 kg
Dimensions10 × 10 × 50 cm

Our Service Lifetime Warranty

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Couplemate™ is a manufacturer and vendor of high-quality towing, trailer, and caravan components. Couplemate™ Core Goods and Custom Work are guaranteed to be free of defects for the service lifetime of the product when used as intended.

Warranties are non-transferrable and Couplemate™ requires satisfactory proof of purchase prior to issuing a remedy. The full Couplemate™ Warranty Policy can be found in the Terms & Conditions: Section 8 – Consumer Guarantees & Warranty.

Warranties are in addition to your rights under the Australian Consumer Law. If something is wrong with your order, please contact our team.

60-Day Returns

After 60 years of experience, we know that life has its unpredictable moments.

All Couplemate™ orders (online, over the phone, or in-store) have a 60 day period for change-of-mind returns and exchanges. There are some items that can’t be returned and some returns may incur a 15% restocking fee.

You can view our full policy for change-of-mind returns here.


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