The Wacker Neuson is a genuine OEM Primary Shoe Return Spring designed for the G-series mobile generator lineup, including G70, G100, G120, G150, G180, G230, and G240 models, as well as select HI-series indirect-fired air heaters. As a direct Wacker Neuson OEM part, the is manufactured to the same specifications as the original component installed at the factory, ensuring a consistent, confident fit across the wide range of generator configurations it supports — including standard, cold weather, custom, Tier 3, Tier 4, and Transport Canada variants. Verify your model number and machine number against the fitment list before ordering to confirm compatibility with your specific unit.
Key Features
- Genuine OEM Spring Tension Spec — Manufactured by Wacker Neuson to the original return-force specification, so the primary shoe retracts with the correct resistance every time — no guesswork on spring rate.
- Direct Drop-In Replacement — Designed to install in the same position and orientation as the original spring, with matching hook geometry and coil dimensions that seat without rework.
- Broad G-Series Compatibility — Fits G70, G100, G120, G150, G180, G230, and G240 mobile generators across standard, cold weather, custom, Tier 3, Tier 4 Final, and Transport Canada configurations, as well as HI750GM, HI750GMHD, and HI900DGM indirect-fired air heaters.
- Protects Brake System Operation — A correctly tensioned return spring pulls the brake shoe fully clear of the drum when the brake is released, preventing drag, heat buildup, and premature shoe and drum wear on trailered generator sets.
- Safety-Critical Brake Component — The primary shoe return spring is part of the surge brake system on MGT-series generator trailers; correct spring function is essential for reliable brake engagement and release during towing.
The primary shoe return spring is a core component of a drum-style surge brake assembly. When the brake is applied, the primary shoe is pushed outward against the drum to create stopping force; when released, the return spring pulls the shoe back to its resting position, ensuring the brake does not remain partially engaged. A fatigued or broken return spring allows the brake shoe to drag against the drum continuously, generating excess heat, accelerating wear on both the shoe lining and the drum surface, and reducing overall braking effectiveness — a particular concern on towable equipment such as generator trailers that are regularly moved between job sites.
Part Details
| Part Number | 5000175964 |
|---|---|
| Old Part Number | 0175964 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Primary Shoe Return Spring |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| G150-GENERATOR, SKID, CUSTOM, DEERE T3 | G150 | 5000620657, 5200001321, 5200006902, 5000620656, 5000620306, 5000620655, 5200003160, 5000620889, 5000620307, 5200007860, 5000620308, 5000620887, 5000620888, 5200014784, 5200010135, 5200010136, 5200010137, 5200025554, 5100026980, 5100026981, 5100026982, 5100029212, 5100025830 |
| G180-GENERATOR, SKID, CUSTOM, DEERE T3 | G180 | 5000620660, 5200001322, 5200006903, 5000620303, 5000620658, 5000620659, 5200003161, 5000620886, 5000620884, 5200007861, 5000620304, 5000620885, 5000620305, 5200010140, 5200014470, 5200010138, 5200010139, 5200014471, 5100015615, 5200014469, 5200025555, 5100045089, 5100045575, 5100045576, 5100045590, 5100045591, 5100045592, 5100049844, 5100049845, 5100025832, 5100025842 |
| G240-GENERATOR, SKID, CUSTOM, DEERE T3 | G240 | 5000620663, 5200001323, 5200006904, 5000620662, 5000620300, 5000620661, 5200003162, 5000620301, 5000620302, 5200025556, 5100025834 |
| Mobile Generators | G100 | 5200001319, 5200006900, 5200008348 |
| Mobile Generators | G120 | 5200001320, 5200006901, 5200008353 |
| Mobile Generator | G70 | 5200001318, 5200006879, 5200008343 |
| G230 Generator, Custom T4i | G230 | 5000620883, 5000620881, 5000620882, 5200007862, 5200010141, 5200010142, 5200010143, 5100015614, 5100045190, 5100045596, 5100045597, 5100049846, 5100049847 |
| HI750 DGM,SB HEATER-INDIRECT | HI750GM | 5000620930 |
| HI 750GM HD-Mobile Indirect Ai r Heater-Surge, -40 | HI750GMHD | 5000620969 |
| G150 Generator,Hertz,T4 Final | G150 Generator,Hertz,T4 Final | 5100015616 |
| MGT1S Mobile Generator Trailer, Surge, Pintle Hitch | MGT1S | 5000009299 |
| MGT2SD Trailer, Surge, Dual Axle, 3500LB Each | MGT2SD | 5000009303, 5200001325 |
| HI900 Heater-DGM,Srg,-40 | HI900DGM | 5200014221, 5200014166 |
| MGT4S Trailer, Surge, Dual Axle, 6000LB Each | MGT4S | 5000620315, 5200001327 |
| MGT1S Trailer, Surge, Pintle Hitch | MGT 1S | 5200001324 |
| MGT3.1S Trailer, Surge, Dual Axle, 5200LB Each | MGT3.1S | 5200001326 |
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.