CAT Excavator Mounting Brackets | Double Pin Attachment Brackets

CAT Excavator double pin mounting plates for CAT excavators and quick couplers. Create mounting plates for your attachments with the bucket ear assembly with bottom plate for welding straight to the attachment.

All assemblies come fully welded and painted, ready to weld to the attachment. These mounting brackets require professional welding to your attachment in order to safely carry the weight and forces put on the attachment.

Excavator Models

CAT 303.5 – 40mm Diameter Pins 137mm Stick Width 200mm Centers

CAT 304 – 40mm Diameter Pins 157mm Stick Width 260mm Centers

CAT 305 – 45mm Diameter Pins 157mm Stick Width 260mm Centers

CAT 308 & 309 – 50mm Diameter Pins 202mm Stick Width 306mm Centers

CAT 311, 312 & 314 – 65mm Diameter Pins 222mm Stick Width 407mm Centers

CAT 315, 316 & 318 – 70mm Diameter Pins 282mm Stick Width 463mm Centers

CAT 320 – 80mm Diameter Pins 312mm Stick Width 485mm Centers

CAT 325, 328 – 90mm Diameter Pins 352mm Stick Width 512mm Centers

CAT 330, 336- 100mm Diameter Front Pin 90mm Rear Pin 386mm Stick Width 500mm Center

Excavator Quick Attach Specifications

Plate Thickness: 1/2″ up to 1″ Plate – ASTM A572