Overview
The ZF 6006.022.180 FS SG 6 S is a critical OEM genuine selector shaft and shift finger assembly designed for the WG150, WG200, and WG201 series transmissions. This component governs precise gear engagement within the transmission housing, translating driver input into mechanical action for the shift system. The SKU 6006.022.180 interfaces directly with the TRANSMISSION HOUSING (4642101109) and the TRANSMISSION HOUSING (4642301205) to ensure correct alignment of the shift forks. As a genuine ZF part, it guarantees factory-specified tolerances for consistent performance in heavy-duty industrial applications.
Symptoms of Failure
- Gear engagement hesitation or grinding: A worn 6006.022.180 selector shaft can cause delayed or rough shifting, often accompanied by a grinding noise during gear changes.
- Intermittent gear slipping under load: When the shift finger assembly loses its indexing precision, the transmission may slip out of gear during operation, particularly in WG200 and WG201 models.
- Oil leaks near the shift mechanism: Deterioration of the shaft seal surface leads to transmission fluid escaping around the selector shaft, visible as drips near the shift tower.
- Stiff or imprecise shift lever movement: Excessive play or binding in the shift linkage indicates wear in the FS SG 6 S assembly, requiring immediate replacement to avoid internal damage.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 6006.022.180 |
| Designation | FS SG 6 S (Selector Shaft & Shift Finger) |
| Material | Case-hardened steel with nitrided surface |
| Overall Length | 180 mm (estimated) |
| Shaft Diameter | 22 mm (estimated) |
| Weight | 0.85 kg (estimated) |
| OEM Reference | ZF 6006.022.180 |
| Compatible Housing | 4642101109, 4642301205 |
| Identification | TYPE PLATE (0730365125) required for verification |
| Mounting Hardware | GROOVED STUD (0631311009) (sold separately) |
Compatibility
This OEM genuine part is engineered for ZF WG150, WG200, and WG201 series transmissions. Specifically, it fits the WG180, WG200, and WG201 variants used in off-highway trucks, construction equipment, and agricultural machinery. The selector shaft assembly is a direct replacement for units requiring the FS SG 6 S configuration. Always verify compatibility by cross-referencing the TYPE PLATE (0730365125) on your transmission housing to ensure correct fitment. The part integrates with the SHIFT SYSTEM (4644106300) and COVER PLATE (4644306500) for complete assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4642101109 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4642301205 | TRANSMISSION HOUSING | Alternate housing variant for WG200 series |
| 0730365125 | TYPE PLATE | Identification tag for transmission model |
| 0631311009 | GROOVED STUD | Fastener for shift mechanism mounting |
| 4642301168 | SCREEN SHEET | Filter screen for oil circulation |
| 4642301169 | SCREEN SHEET | Fine mesh filter for hydraulic system |
| 0636100621 | HEXAGON SCREW | Fastener for housing assembly |
| 4642301186 | SCREEN SHEET | Secondary filter element |
| 4644106300 | SHIFT SYSTEM | Complete shift control assembly |
| 4644306500 | COVER PLATE | Sealing cover for shift mechanism |
