The Caterpillar D3 is a small dozer that replaced the D5K2 when Cat simplified its dozer model naming. Keep it working with replacement hydraulic cylinders and parts from HCI. Order by 12:00 PM CST for FASTSHIP same-day dispatch, with Buy Now, Pay Later at checkout. Shop more Caterpillar equipment, and Demolish Downtime.
Caterpillar D3 Replacement Hydraulic Cylinders and Parts
Caterpillar D3 FAQ
The Caterpillar D3 is a small track-type dozer used to push, grade, and spread soil on residential, light construction, and site-preparation jobs. It was introduced around 2020 as the successor to the D5K2. 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.
