The Caterpillar 306 CR is a mini excavator in the six-ton size class, configured with a compact radius (CR) tail swing. When it’s down, HCI has the replacement hydraulic cylinders and parts to fit. Select parts ship the same day on FASTSHIP when you order by noon CST, and Buy Now, Pay Later is available at checkout. Explore the full Caterpillar lineup, and Demolish Downtime.
Caterpillar 306 CR Replacement Hydraulic Cylinders and Parts
Caterpillar 306 CR FAQ
The Caterpillar 306 CR is a six-ton-class mini excavator with a compact-radius swing frame for work in confined areas, used for digging, trenching, and backfilling. It is part of Cat’s Next Generation mini excavator line. HCI carries replacement hydraulic cylinders and parts to keep it working.
Every cylinder and part on this page lists its OEM cross-references, so you can match them against the numbers on your old unit. Still unsure? Call our team at 888-771-1894 to confirm fitment — have your serial or the number on the old cylinder ready — or browse the full Caterpillar catalog to find your model.
Any item that shows the FASTSHIP logo and is marked In Stock ships the same day when you order by 12:00 PM CST, Monday through Friday.
