PARTS

.Cat parts are manufactured to precise specifications, built for durability, reliability and productivity. H.O. Penn is your complete Caterpillar parts supplier for all Cat equipment.

H.O. Penn stocks over 68,000 line items throughout our five branches.. We fill an average of 98% of all orders in only 24 hours. In addition to our own warehouses, we draw off the vast system of Caterpillar warehouses, manufacturing plants as well as other Caterpillar dealerships to obtain parts as quickly as possible for you. Our overnight trucking system guarantees quick service to fulfill your parts needs.

The H.O. Penn PartStore is a fast easy way to order Cat parts online. The PartStore gives you access to up to date parts books and schematics. You can check real time parts availability, review pricing, examine remanufactured parts options and place your order online.

If used parts are more in your budget, we have a full line. View our line of used parts.


• Dedicated staff of over 50 parts personnel
• Over 68,000 items in inventory
• Over $10 million in parts inventory
• An average 98% of all parts orders are filled within 24 hours
• Remanufactured parts available with the same warranty as new but priced 25-75% less
• 24/7 parts ordering online
• Cat Classic parts for older Cat machines at significant savings
• Nexus Parts are available for non-Cat machines
• Over 2,100 Used Part line items in inventory and growing
• $180,000 in used parts inventory
• Hydraulic Hose fabrication
• Parts Drop locations

Not in a Rush?  Save Some Cash. Order Parts on Stock. Ask for Details!