SPP Ball Couplings 750kg – Reliable Towing Ball Joints for Trailers
SPP ball couplings 750kg are designed for secure and efficient trailer connections. These robust trailer hitch balls, tow ball connectors, and coupling balls ensure safe towing for car trailers up to 750kg. Whether you need a hitch ball assembly for a square or round drawbar, SPP offers practical solutions for every requirement.
- ✔ Engineered for trailers up to 750kg total weight
- ✔ Versatile fit for 50mm, 60mm, and 70mm drawbars
- ✔ Easy one-hand operation and integrated safety features
- ✔ Durable towing ball joints for reliable long-term use
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Frequently Asked Questions
Ball head on the towing vehicle: The new ball head has a diameter of 50 mm; the wear limit is 49 mm. Measure in several directions using a calliper — the ball wears down in an oval shape, and even a single point measuring less than 49 mm means it needs replacing.
Tow ball coupling on the trailer: Signs include noticeable play on the ball, rattling whilst driving, or a coupling that no longer engages properly. Many couplings have a wear indicator on the handle — if the pointer is in the red zone, it needs replacing.
Assess both together: a new coupling fitted to a worn-out ball will continue to rattle.
Lubrication: The ball and coupling wear out much faster if left dry. An important exception is anti-sway couplings: their friction linings must remain grease-free; in this case, only the ball is cleaned. Grease on the linings renders the anti-sway damping ineffective and ruins the linings.
A worn-out pair will be flagged during the annual general inspection. Replacement: Ball couplings and accessories.
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Product Overview
SPP ball couplings 750kg represent a dependable solution for connecting car trailers with a maximum permissible total weight of 750kg. These coupling balls and hitch ball assemblies are specifically engineered to fit various drawbar profiles, including 50mm, 60mm, and 70mm round or square tubes, as well as V-drawbars. With precise manufacturing and a focus on safety, SPP’s range of trailer hitch balls and tow ball connectors ensures a stable and secure towing experience.
Key Features & Benefits
Each SPP towing ball joint is designed to support up to 750kg, with a permissible drawbar load of 75kg. Practical features such as one-hand operation and integrated safety devices make coupling and uncoupling quick and straightforward. The universal 90mm hole spacing and 12.5mm bore diameter allow for easy installation on most standard car trailers. High-quality materials and robust construction guarantee long-lasting performance and resistance to wear.
Selection Guide
Choosing the right SPP ball coupling depends on your trailer’s drawbar type and dimensions. For square tubes, select the ZSK 750 I model (60mm), while round tube options include the ZSK 750 C (50mm), ZSK 750 D (60mm), and ZSK 750 E (70mm). For V-drawbars, the ZSK 750 offers practical one-hand operation and enhanced safety. Review your trailer’s specifications to ensure optimal compatibility and performance.
Applications
SPP ball couplings 750kg are ideal for light-duty car trailers, utility trailers, and small transporters. These coupling balls and hitch ball assemblies are suitable for both private and commercial use, providing secure and efficient connections for everyday towing tasks. Their versatility and robust design make them an essential component for any trailer setup requiring reliable tow ball connectors up to 750kg.
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