A premium, reinforced mechanical quick hitch from the COBRA series. Designed for the rear dipper arm of CATERPILLAR B and C series backhoe loaders (e.g., 428B, 428C). It allows for instant attachment changes (buckets, rippers). The COBRA model features internal reinforcements to prevent twisting under load and a special shell design that resists clogging (e.g., in clay). The quick hitch is brand new, complete, and ready for installation (does not include mounting pins for the arm).
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| Brand | Type / Series / Model |
|---|---|
| CATERPILLAR (CAT) | Backhoe Loaders: 428B, 428C |
The list above is for reference. You must verify your dipper arm dimensions: Pin diameters (45mm/50mm), widths (205mm/255mm), and pin centers (370mm).
Never operate with a suspended attachment unless you are 100% certain the quick hitch mechanism is correctly and fully locked. Always perform test curls and movements close to the ground after changing an attachment. An unexpectedly detached bucket can cause fatal injury.
A mechanical quick hitch radically shortens the time needed to change attachments, increasing machine efficiency. Its failure or wear mainly manifests as problems with securely attaching buckets.
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The COBRA model features internal reinforcements and a special shell design. It is designed for heavier work and performs better in sticky materials like clay, which could clog standard hitches.
2. Why does this hitch have two different pin diameters (45mm and 50mm)?This is a characteristic feature of the hitch on CATERPILLAR B and C series backhoe loaders. Unlike many excavators where both pins are the same diameter, the CAT hitch often uses one diameter pin at the dipper end and a different diameter at the linkage. This is crucial for a correct fit and working geometry.
3. What is the difference between this hitch and 2730799?The main difference is the hitch dimensions, specifically the pin centers. This model (1613241) has 370 mm pin centers and fits the older B and C series machines. The 2730799 model has 345 mm pin centers and is for the newer D, E, and F series machines. They are very similar, so verifying dimensions is critical before purchase.
Have doubts or need confirmation to avoid costly downtime? Call us. Our experts will help you choose the right part to get your equipment back to work as soon as possible.
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Suitable for CATERPILLAR 428B, 428C

















