AB Tools Pressed Steel 50mm Coupling / Hitch Unbraked - TR031
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Product Information
Full details
This AB Tools TR031 coupling is designed for users with unbraked trailers needing a reliable and EU-approved connection to a standard 50mm tow ball. Its key benefit is providing secure attachment for trailers up to 750kg gross weight. A minor consideration is that locking mechanisms are sold separately.
All features
| Model Part Number | TR031 |
|---|---|
| Brand | AB Tools |
Extended Product Information
FAQs
What is the maximum weight this hitch can handle?
This hitch is designed for unbraked trailers with a maximum gross weight of 750kg.
Can I use this hitch on a braked trailer?
No, this hitch is specifically designed and approved only for unbraked trailers.
What size tow ball does this coupling fit?
It fits standard 50mm diameter tow balls.
How is the coupling attached to the trailer?
It attaches to a 50mm box section or round tube drawbar using two M12 bolts at 90mm fixing centres.
Does this coupling come with a lock?
No, locking mechanisms are available separately and are not included with this coupling.
Is this hitch approved for use in Europe?
Yes, it is fully EU approved and E24 marked according to directive 94/20EC.
What is the vertical load capacity?
The vertical weight capacity when attached is 75kg.
Troubleshooting
Coupling lever is stiff or difficult to move.
Clean any debris from the mechanism and apply a light grease. Ensure the tow ball is clean and free of rust.
Coupling does not fully engage on the tow ball.
Check that the tow ball is a standard 50mm size and is not excessively worn. Ensure the lever mechanism is clean and functioning correctly. Verify that the trailer's gross weight does not exceed the 750kg limit.
Mounting bolts are loose.
Immediately tighten the M12 mounting bolts securing the coupling to the drawbar. Inspect the drawbar for any damage.
Rust or corrosion on the coupling.
Clean the affected area with a wire brush and apply a rust inhibitor or appropriate metal paint to prevent further corrosion. Regularly maintain the coupling.
Pros and Cons
Pros
- Meets EU safety standards for reliable use.
- Durable pressed steel construction for longevity.
- Easy to mount on standard 50mm box section drawbars.
- Suitable for a wide range of unbraked trailers up to 750kg.
- Optional security lock can be fitted for added theft prevention.
Cons
- Locking mechanisms are not included and must be purchased separately.
- Only suitable for unbraked trailers.
- Requires specific 90mm mounting hole spacing.
- Vertical weight capacity is limited to 75kg.
Setup, Compatibility & Care Instructions
Setup:
- Ensure your trailer has a compatible 50mm drawbar (box section or round tube).
- Position the coupling onto the drawbar, aligning the 90mm fixing centres with your desired mounting point.
- Secure the coupling using two M12 bolts (not included) through the mounting holes. Tighten bolts firmly.
- Place the coupling over a standard 50mm tow ball on your vehicle.
- Operate the lever mechanism to engage the tow ball securely.
Compatibility:
- Tow Ball: Compatible with standard 50mm diameter tow balls.
- Drawbar: Fits 50mm square box section or 50mm round tube drawbars. Can be adapted for flat sections with an appropriate spacer (not included).
- Trailer Type: Exclusively for unbraked trailers with a maximum gross weight of 750kg.
Care:
- Cleaning: Clean the coupling regularly with a damp cloth to remove dirt and debris. Avoid abrasive cleaners.
- Lubrication: Periodically lubricate the lever mechanism with a light grease to ensure smooth operation.
- Inspection: Regularly inspect the coupling for signs of wear, damage, or corrosion. Pay close attention to the lever mechanism and mounting points.
- Storage: When not in use, consider using a hitch cover or locking mechanism to protect it from the elements and deter theft.