The Multiquip 3564470394G1 is a genuine OEM Briggs & Stratton Vanguard 18HP Engine designed for WBH21EPA and WBH-21EFP Whiteman hydraulic power buggies. As a direct OEM replacement sourced through Multiquip's authorized parts network, this engine is the correct factory-spec unit for your machine — no guesswork on compatibility. Verified fitment covers the WBH21EPA and WBH-21EFP models, making part number 3564470394G1 the right call when your buggy needs a full engine replacement. DHS Equipment stocks Multiquip OEM parts so you can get your crew back to moving material without unnecessary delays.
Key Features
- Genuine OEM Power Source — The Briggs & Stratton Vanguard series is the factory-specified engine for these Whiteman buggies, delivering the correct displacement, torque output, and governor calibration the hydraulic drive system is engineered around.
- Direct Drop-In Replacement — Matches the original engine mounting pattern, shaft dimensions, and hydraulic drive interface of the WBH21EPA and WBH-21EFP, allowing a straightforward swap without custom fabrication.
- Confirmed Fitment for WBH21EPA and WBH-21EFP — Purpose-matched to both Whiteman hydraulic power buggy models so you can order with confidence.
- Full Hydraulic System Compatibility — The Vanguard 18HP output rating is matched to the hydraulic pump demands of the WBH buggy platform; an underpowered or mismatched engine can cause sluggish drive response and premature hydraulic component wear.
- Fuel System Safety Compliance — The EPA-compliant engine configuration on these models meets emissions requirements for operation on regulated jobsites and in jurisdictions with Stage I or equivalent standards.
The engine is the primary power source for the Whiteman hydraulic power buggy, driving the onboard hydraulic pump that controls both the drive system and the dumping mechanism. When the engine loses power, runs rough, or fails entirely, the buggy becomes inoperable — no hydraulic pressure means no movement and no dump function. Replacing a worn or seized engine with the correct OEM Briggs & Stratton Vanguard 18HP unit restores full hydraulic output and gets the machine performing as intended.
Have questions about fitment or need help confirming this is the right engine for your unit? Contact the DHS Equipment parts team for assistance.
Part Details
| Part Number | 3564470394G1 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Briggs & Stratton Vanguard 18HP Engine |
Compatibility & Fitment
| Name | Model |
|---|---|
| Power Buggies | WBH21EPA |
| Power Buggies | WBH-21EFP |
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.
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