Wacker Neuson 5200022943 Engine Cummins QSB5-G12 206HP T4F

The Wacker Neuson Engine Cummins QSB5-G12 206HP T4F is a genuine OEM powerplant assembly designed for the G150 Generator series, including Standard T4i, Cold Weather T4i, Custom T4i, and Mobile Generator configurations. As a factory-sourced component, is built to the exact output and emissions specifications required by Wacker Neuson for Tier 4 Final compliant operation. This engine is the correct replacement for all listed G150 variants, giving fleet managers and service technicians a verified, drop-in solution. Sourcing the genuine OEM part ensures your generator returns to full rated output and remains compliant with current emissions standards.

Key Features

• Tier 4 Final Emissions Compliance — Cummins QSB5-G12 T4F configuration meets current EPA Tier 4 Final requirements, keeping your generator legally operable on regulated jobsites.
• Rated 206HP Output — Delivers the full 206 horsepower output the G150 Generator is engineered around, ensuring the generator set reaches its rated electrical capacity under load.
• Genuine OEM Component — Sourced directly from Wacker Neuson, this engine assembly matches the original mounting footprint, cooling connections, and electrical interfaces of the unit it replaces.
• Broad G150 Series Coverage — Confirmed fitment across Standard T4i, Cold Weather T4i, Custom T4i, and Mobile Generator variants of the G150, covering the full production range of this model family.
• Critical Fuel System and Electrical Integrity — As a complete engine assembly, the QSB5-G12 includes matched fuel system and control interfaces; using the correct OEM unit eliminates mismatched connections that can cause governor faults or fuel delivery errors.

The engine is the core power source of a generator set — it burns fuel to produce the mechanical rotation that drives the alternator and generates electrical output. In the Wacker Neuson G150, the Cummins QSB5-G12 is sized and tuned to deliver consistent power under the sustained, variable loads typical of construction site power distribution. When an engine experiences wear, internal failure, or emissions system degradation, the generator will lose output capacity, run outside emissions compliance, or fail to start — making prompt replacement with the correct OEM unit essential to restoring full operation.

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.