Description
When you’re hooking up a utility trailer, grain cart, or equipment hauler, you need a coupler that’ll grab that hitch ball and hold on tight. This square tube coupler is built for trailers with 3-inch square tongue construction and gives you the solid connection you need for hauling everything from seed to machinery around the farm.
What You’re Getting
- 5,000-pound capacity handles serious loads without breaking a sweat
- High-profile latch design provides secure engagement with easy visual confirmation
- 16-1/4 inch length gives you plenty of leverage for smooth operation
- Class 3 towing rating meets DOT requirements for highway use
- Direct mount to 3-inch square tube tongues – no adapters or modifications needed
Built for Real Farm Work
This coupler is designed for utility trailers, grain carts, and equipment haulers that see regular farm duty. Whether you’re pulling a manure spreader to the back forty, hauling a tractor on a flatbed, or moving grain to the elevator, it’s built to handle the weight and abuse of agricultural work.
Made to Last
Bulldog builds these couplers tough because they know farm trailers don’t live easy lives. Heavy-duty steel construction stands up to the constant loading, unloading, and road vibration that comes with agricultural hauling. The mechanism stays smooth and reliable through years of connecting and disconnecting.
Installation Notes
This coupler welds directly to your 3-inch square tube tongue with no special brackets or adapters required. Make sure your trailer tongue is properly reinforced at the mounting point to handle the 5,000-pound capacity. The high-profile latch makes it easy to see when you’re properly connected to your hitch ball.



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