The Wacker Neuson Crankshaft Assembly is a genuine OEM component designed for the GP5600A, GPS5600A, GV5600A, and G/GS-series portable generators. As a direct OEM replacement sourced through authorized Wacker Neuson supply channels, part meets the original engineering tolerances specified for these machines. This assembly covers an extensive range of 60Hz and 50Hz generator configurations, including electric-start and wheel-kit variants across the GP, GPS, GV, G, and GS model families. Confirming your machine's model number before ordering ensures a correct match from this broad fitment range.
Key Features
- OEM-Grade Crankshaft Tolerancing — Manufactured to the original journal diameter and stroke dimensions specified for Wacker Neuson GP/GPS/GV/G/GS-series engines, ensuring correct bearing load distribution and rotational balance.
- Direct Drop-In Fitment — Engineered to align with the original connecting rod, main bearings, and flywheel interface so the assembly installs into the engine block without rework or shimming.
- Broad Generator Family Coverage — Fits GP5600A, GPS5600A, GV5600A, GV5600, and G/GS 4.6A, 5.6A, and 5.7A portable generator models in both 50Hz and 60Hz configurations.
- Sustained Power Output — A correctly fitted crankshaft maintains proper compression stroke timing, which directly supports stable voltage and wattage delivery from the generator head.
- Wear and Failure Prevention — A worn or damaged crankshaft causes excessive vibration, oil leaks at the main seals, and loss of compression — replacing it restores smooth, consistent engine operation.
The crankshaft is the central rotating component of a four-stroke engine. It converts the up-and-down motion of the piston into rotational power that ultimately drives the generator head to produce electricity. The crankshaft must maintain precise dimensional tolerances to keep bearing clearances correct — if it wears, becomes scored, or develops cracks, the result is increased engine vibration, accelerated bearing wear, oil consumption, and eventually a loss of usable power output. Replacing a damaged crankshaft with a genuine OEM assembly like the Wacker Neuson 5000085271 restores the engine to its original operating geometry and protects downstream components from further damage.
Part Details
| Part Number | 5000085271 |
|---|---|
| Old Part Number | 0085271 |
| Brand | Wacker Neuson |
| Part Type | Genuine OEM |
| Description | Crankshaft Assembly |
Compatibility & Fitment
| Name | Model | Machine Number |
|---|---|---|
| GPS5600A,CAN GFI | GPS5600A | 5000620096, 5000620383, 5000620328, 5000620044, 5000620093, 5000620013, 5000620981 |
| Premium Portable Generator | GP5600A | 5000620094, 5000620095, 5000620326, 5000620327, 5000620381, 5000620382, 5000620042, 5000620043, 5000620091, 5000620092, 5000620011, 5000620012 |
| 50Hz Portable Generator with E lectric Start | GS5.7AE | 5000008285, 5000008279, 5000008281, 5000008283 |
| Portable Generator with Electr ic Start | GS5.6A | 5000007191, 5000008046 |
| 50Hz Portable Generator | G4.6A | 5000008266, 5000008262, 5000008264, 5000008260 |
| 50Hz Portable Generator | G4.6AE | 5000008267, 5000008261, 5000008263, 5000008265, 5000008268 |
| 50Hz Portable Generator with E lectric Start | GS4.6A | 5000008275, 5000008271, 5000008273, 5000008269 |
| 50Hz Portable Generator with E lectric Start | GS4.6AE | 5000008276, 5000008270, 5000008272, 5000008274, 5000008277 |
| 50Hz Portable Generator with E lectric Start | GS5.7A | 5000008284, 5000008278, 5000008280, 5000008282 |
| Portable Generator | G5.6A | 5000007190, 5000008045, 5000009431, 5000620008 |
| 50Hz Portable Generator | G5.7AE | 5000009015, 5000009019, 5000009017 |
| 50Hz Portable Generator | G5.7A | 5000009012, 5000009014, 5000009018, 5000009016 |
| Portable Generator with Electr ic Start, 50Hz | GS5.7AI | 5000009039 |
| Portable Generator, 50Hz | G5.7AI | 5000009040 |
| Value Generator | GV5600A | 5000620410, 5000620288, 5000620335 |
| Value Portable Generator | GV5600 | 5000620995 |
| 50Hz Portable Generator with E lectric Start | GS5.5A | 5000007105 |
| Portable Generator, 50Hz | G4.6AI | 5000009037 |
| 50Hz Portable Generator with E lectric Start | GS4.6AI | 5000009038 |
| Portable Generator | G4.6AIT | 5000009461 |
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.