Wacker Neuson 5100031223 Vanguard Engine

The Wacker Neuson 5100031223 Vanguard Engine is a genuine OEM power unit designed for the PTS4V 100mm/4-inch centrifugal trash pump. As a factory-sourced component, this engine is matched to the exact configuration of the PTS4V, ensuring correct mounting, output, and integration with the pump's drive system. If your PTS4V has lost power, won't start, or has suffered internal engine failure, the 5100031223 is the direct replacement Wacker Neuson specifies for that machine.

Key Features

• Genuine OEM Briggs & Stratton Vanguard Power: — Sourced directly from Wacker Neuson, this engine meets the exact displacement, torque output, and mounting specification required by the PTS4V pump platform.
• Drop-In Compatibility for PTS4V: — Engineered to align with the PTS4V's frame and drive coupling, allowing straightforward installation without fabrication or adaptation.
• Confirmed Fitment — PTS4V Series: — Verified for the PTS4V 100mm/4-inch centrifugal trash pump (machine reference PTS4V_5100031221).
• Full Pump Output Restored: — A correctly functioning Vanguard engine delivers the sustained RPM and torque needed to maintain rated flow and head pressure through the 4-inch discharge — critical for high-volume dewatering on active jobsites.
• Fuel System Safety Compliance: — As a complete OEM engine assembly, the 5100031223 includes factory-configured fuel and ignition components, maintaining correct operation of the fuel system and reducing the risk associated with mismatched engine substitutions.

The engine is the prime mover of the PTS4V trash pump, converting fuel into rotational power that drives the pump impeller. The impeller then draws water and solids into the volute and discharges them through the 4-inch outlet. When the engine loses compression, burns excessive oil, or fails to start, the entire pump is rendered inoperable — no water moves regardless of the condition of the pump end. Replacing the engine with the correct OEM unit, part number 5100031223, restores the machine to its rated pumping capacity and ensures the engine-to-pump interface is properly matched.

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.