Multiquip 51220 Adapter

The Multiquip 51220 Adapter is a genuine OEM component designed for a wide range of Multiquip equipment including the LS300 concrete pump, PRO12 and PRO20 Essick stationary mixers, and WBH-16 and WBH-21 series Whiteman hydraulic power buggies. Sourced directly from Multiquip, this adapter meets the exact fit and material requirements of the original part. Compatible models include the WBH-16EAWDF, WBH-16EAWD, WBH-21EF, WBH-21EFP, WBH-16EF, WBH-16F, WBH-16E, WBH-16, WBH21EPA, PRO12E51, PRO12E53, PRO20, and LS300 — making it a versatile replacement across multiple Multiquip product families. When correct fitment matters, using the factory part number 51220 ensures you get the right component the first time.

Key Features

• Genuine OEM Construction — Manufactured to Multiquip's original material and dimensional tolerances, so the 51220 installs exactly as the factory-fitted part did.
• Direct-Fit Replacement — Designed to connect and seat without alteration across all listed model configurations, from concrete pump to stationary mixer to hydraulic buggy.
• Broad Multi-Family Fitment — Confirmed compatible with LS300, PRO12, PRO12E51, PRO12E53, PRO20, WBH-16, WBH-16E, WBH-16EF, WBH-16EAWD, WBH-16EAWDF, WBH-21EF, WBH-21EFP, and WBH21EPA.
• Maintains System Integrity — A properly fitted adapter ensures correct flow path alignment and secure mechanical connection, preventing leaks, misalignment, or premature wear on adjoining components.
• Verified Part Number — Ordering by Multiquip part number 51220 eliminates guesswork and confirms you receive the correct adapter for your specific machine configuration.

An adapter serves as a transitional fitting that connects two components with differing thread sizes, port configurations, or coupling standards, allowing fluid, mechanical, or structural interfaces to mate correctly. In equipment such as concrete pumps, power buggies, and stationary mixers, adapters are critical to maintaining sealed connections and proper mechanical alignment between system components. When an adapter is worn, damaged, or incorrectly sized, it can cause fluid leaks, loose mechanical joints, or accelerated wear on the parts it connects — making timely replacement with the correct OEM part essential to keeping the equipment performing as intended.

Part Details

Compatibility & Fitment

Verify Before You Order

Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.

Why Buy From DHS Equipment

Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.

Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.