The Multiquip 511806 Straight Adapter is a genuine OEM component designed for Whiteman hydraulic power buggy models including the WBH-16, WBH-16E, WBH-16EF, WBH-16F, WBH-21EF, WBH-21EFP, and WBH21EPA. Sourced directly from Multiquip, this adapter matches the original production specification — ensuring a correct, trouble-free installation with no guesswork on fitment. When worn or damaged adapters are left in service, hydraulic connections can leak or fail under load, compromising both machine performance and operator safety. Replace with the correct OEM part to keep your buggy running at full capacity.
Key Features
- Genuine OEM Construction — Manufactured to Multiquip's original production tolerances, ensuring the correct thread form, port sizing, and sealing surface for a leak-free hydraulic connection.
- Direct Bolt-In Replacement — Matches the original adapter profile and thread specification, threading directly into the existing hydraulic port without reworking fittings or lines.
- Broad WBH Series Compatibility — Verified fitment across WBH-16, WBH-16E, WBH-16EF, WBH-16F, WBH-21EF, WBH-21EFP, and WBH21EPA Whiteman hydraulic power buggies.
- Hydraulic Integrity Under Load — A correctly seated straight adapter maintains system pressure across the hydraulic circuit, allowing the buggy's dump and drive functions to operate with full responsiveness.
- Fluid System Safety — A cracked or cross-threaded adapter can cause hydraulic fluid loss under operating pressure — replacing with the correct OEM part restores system integrity and protects against uncontrolled movement.
A straight adapter is a hydraulic fitting used to connect two components in a fluid circuit along a common axis, maintaining a sealed, straight-line flow path between ports. On Whiteman hydraulic power buggies, these adapters are critical junction points in the hydraulic system that controls bucket dumping and machine drive. When an adapter develops a leak or fails — due to thread wear, impact damage, or cross-threading — hydraulic pressure drops, causing sluggish or unresponsive machine behavior and potential fluid loss that can create a slip hazard on the work surface.
Part Details
| Part Number | 511806 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Straight Adapter |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Buggies | WBH-16 |
| Power Buggies | WBH-16E |
| Power Buggies | WBH-16EF |
| Power Buggies | WBH-16F |
| Power Buggies | WBH-21EF |
| Power Buggies | WBH-21EFP |
| Power Buggies | WBH21EPA |
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.