Wacker Neuson 5200012217 V-Belt G70/100/120 T4i

The Wacker Neuson V-Belt G70/100/120 T4i is a genuine OEM drive belt designed for the G70, G100, G120, and G150 portable generator series. Sourced directly from Wacker Neuson, this belt meets the exact dimensional and tensile specifications required to maintain proper alternator drive performance across T4i, T4F, and T4 emissions-tier configurations. Compatibility spans a wide range of generator variants — including Standard, Cold Weather, Custom, Extended Run, Hertz, and URI HVAC builds — so operators can confidently order by part number regardless of their specific unit's configuration. When you need a direct, spec-matched replacement to restore generator output and protect the drive system, the is the correct part for the job.

Key Features

• Genuine OEM Belt Profile — Manufactured to Wacker Neuson's exact cross-section, length, and tensile cord specification, ensuring the alternator is driven at the correct speed without slip or excess vibration.
• Drop-In Replacement — Matches the original belt routing and pulley groove profile on G-series generators, so installation follows the standard service procedure without modification to the drive assembly.
• Broad G-Series Compatibility — Fits G70, G100, G120, and G150 generator models across T4i, T4F, and T4 emissions tiers, including Standard, Cold Weather, Custom, Extended Run, Hertz, and URI HVAC variants.
• Sustained Power Output — A correctly tensioned, properly sized belt keeps the alternator spinning at design speed, maintaining stable voltage and frequency output under load. A worn or glazed belt can cause output fluctuations and premature alternator wear.
• Durable Construction — Built to resist the heat cycling and continuous-load demands typical of portable generator operation on active jobsites.

The V-belt on a portable generator transfers rotational power from the engine's crankshaft pulley to the alternator, spinning it at the precise speed needed to generate stable electrical output. If the belt stretches, cracks, or glazes over time, drive efficiency drops — leading to reduced voltage output, erratic frequency, and increased wear on both the engine and alternator bearings. Replacing a worn belt with a correctly sized genuine OEM part restores the drive relationship between engine and alternator and helps the generator deliver consistent, load-ready power.

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.