PERMCO DMD400 AIR SHIFTER

Alternate Part Numbers Alternate Part Number C1LX23	Brand Permco Inc.	Brand Permco	Pack Size 1.00	UOM EA	Supplier Part Number 400-AS	Product Weight 1.98 lbs

Product Questions & Answers

air shifter for a permco DMD400, is that what this 400-AS part is?

Question by: Tammy Y on Feb 22, 2026, 1:46 PM

Function-wise, it’s an air shifter assembly intended for the PERMCO DMD400, and the supplier part number on it is 400-AS.

Answer by: Customer Support on Feb 23, 2026, 9:18 PM

What exactly does this air shifter do?

Question by: Connie G on Dec 11, 2025, 6:57 AM

Essentially, it's a component used within Permco's DMD400 series hydraulic pumps to control shifting functions pneumatically.

Answer by: Customer Support on Dec 13, 2025, 6:01 AM