string(7) "machine"


Cat Filters Are Built Better

When you look inside a genuine Cat filter, the difference between it and other brands is obvious. Cat filters are designed to maximize filtration performance and better protect your Cat machine. More uptime, fewer repairs, and bigger savings — all with Cat filters.

Time for maintenance? Take advantage of our “Buy More, Save More” sale on Cat air and liquid filters*, now through September 30th. Whether you buy at your local Carter Machinery parts counter or online at, you’ll receive up to 25% off your filters – the more you buy, the more you’ll save.


Get 50% Off Cat Hydraulic Oil

Want even more savings? Look no further than for all your parts ordering needs. Buy two or more applicable Cat filters online and you can also get 50% off hydraulic oil**! Just use promo code HYDOIL50 at checkout for the discount to apply. Valid part numbers for this discount include:

105-3335: CAT® MTO Hydraulic Oil (5 G)
105-3334: CAT® MTO Hydraulic Oil (55 G)
309-6931: CAT® HYDO Advanced 10W Hydraulic Oil (5 G)
309-6930: CAT® HYDO Advanced 10W Hydraulic Oil (55 G)

Buy Online

Offers expire 9/30/2023. *Buy More, Save More offer requires purchase of two or more eligible Cat air or liquid filters. Discount is available at your local Carter Machinery parts counter and online at No promo code needed to receive discount. **50% off select Cat hydraulic oil promotion is available online only at for select Cat hydraulic oil part numbers (105-3335, 105-3334, 309-6931, 309-6930) when purchased with two or more eligible Cat air or liquid filters. Promo code HYDOIL50 must be applied at checkout to receive discount. Additional promo codes cannot be combined.

Payment Calculator

Payments calculated using this tool are estimates only and do not include applicable taxes, insurance, and other fees. Actual prices, interest rate, and payments may be different. Financing payment calculations are based on APR and term. Actual payment and terms are subject to approved credit with Cat Financial Services Corporation or other funding sources. Not all customers will qualify.