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This plug-and-play adapter lets you operate Caterpillar D-Series 14-pin attachments using a Bobcat-style 14-pin machine-side connector. Plug the Bobcat 14-pin end into your loader, connect the Cat D-Series 14-pin end to your attachment, start the machine, and use your factory controls to run the attachment—no cutting, splicing, or permanent modifications required.
It’s ideal for mixed fleets where machines are Bobcat (or other brands wired to the Bobcat 14-pin standard) but attachments are configured with Cat D-Series 14-pin harnesses. This adapter bridges the electrical differences so you can share tools across multiple machines.
Machine side – Bobcat 14-pin:The Bobcat 14-pin system offers up to six switched outputs. On this adapter, those outputs are mapped to the Cat D-Series functions so you can use:
Attachment side – Cat D-Series 14-pin:Cat D-Series attachments that use the 14-pin connector typically rely on up to six switched circuits, plus ground and a +12 V power feed. This adapter is populated to provide the standard D-Series control functions, including the switched power on pin K where required.
This adapter series is designed with high-flow support in mind. Inside the Cat D-Series female connector, you’ll find a hidden jumper covered with heat-shrink tubing. To activate high-flow on compatible machines:
This allows your Cat D-Series attachment to request high-flow hydraulics when driven from a Bobcat-style 14-pin machine that has the necessary hydraulic option.
The machine-side 14-pin plug is wired to the Bobcat pattern and is also compatible with many other brands that follow the same 14-pin layout, including certain models from:
The attachment side is wired specifically for Cat D-Series 14-pin tools and attachments. Always confirm your attachment uses the Cat D-Series 14-pin scheme before connecting.
If you plan to move pins or fine-tune wiring for special applications, you’ll want the right tools. Light-duty, single-use tools are fine for occasional pin changes, but for regular service work or fleet use a professional Deutsch tool is strongly recommended.
For additional wiring details, pin-out help, and general guidance on matching machines and attachments, you can review the technical help and FAQ section:
A generic machine-to-attachment adapter guide is available to help with setup, wiring verification, and safe operation when using electrical adapters between different brands:
Download the Generic Machine-to-Attachment Adapter User Manual (PDF)
This adapter is built using OEM-style components and pinned to match standard Bobcat 14-pin and Cat D-Series 14-pin layouts. However, not every machine leaves the factory with all electrical options installed, and many attachments—especially used or auction units—may have been rewired or modified over time.
Always confirm pin-outs on both machine and attachment before applying power. If necessary, use a proper Deutsch tool to move pins so the circuits line up correctly. If you are unsure about wiring or compatibility, consult a qualified technician before putting the adapter into service.
This adapter allows you to connect CAT D-Series (14-pin) attachments to a loader that has a 14-pin Bobcat-style machine output. It converts the machine-side Bobcat 14-pin interface to the CAT D-Series 14-pin attachment-side wiring.
It works with skid steer or loader machines whose electrical output is Bobcat-style 14-pin, and with attachments that use the CAT D-Series 14-pin standard. You must verify that your attachment uses the CAT D-Series 14-pin wiring before using this adapter.
No — installation is plug-and-play. You simply connect the adapter’s machine-side 14-pin to your loader and plug your attachment’s 14-pin connector into the adapter output. No rewiring or modifications are required.
The adapter supports up to six switched ports on the 14-pin system (if your loader is equipped accordingly). This covers standard attachment functions as allowed by CAT D-Series wiring standards.
Yes — as long as the attachment uses the standard CAT D-Series 14-pin interface. If the attachment uses a different wiring standard or a non-standard connector, this adapter may not be compatible.
No. The adapter is designed to match the wiring and pinout between Bobcat-style machine output and CAT D-Series attachment input, so no cutting or splicing of wires is needed.
Yes — since both sides are 14-pin, it supports the full range of CAT D-Series attachment electrical functions, assuming the loader is properly equipped. As always, ensure your machine’s control package matches the attachment’s requirements.
Yes. Because it's plug-and-play and doesn’t require modification, you can disconnect it and reuse on another machine (with Bobcat-style 14-pin output) and another compatible CAT D-Series attachment as needed.
Make sure both 14-pin connectors (machine-side and attachment-side) are fully seated and locked. Also check that your attachment is wired for CAT D-Series 14-pin standard. If some functions fail, ensure your loader has all required control outputs for those functions.
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