The Caterpillar 340 is a large excavator in Cat’s 40-ton size class, part of the Next Generation model line. HCI carries the replacement hydraulic cylinders and parts to keep it working. Get it fast with FASTSHIP — order by 12:00 PM CST for same-day dispatch — plus Buy Now, Pay Later at checkout. Browse more Caterpillar models — and Demolish Downtime.
The Caterpillar 340 is a large hydraulic excavator used to dig and move earth on construction, quarry, and heavy excavation sites. It joined Cat’s Next Generation excavator line around 2020, positioned above the 336. 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.
