Overview
The ZF 4660.306.067 FORMED TUBE is a precision-engineered fluid conduit designed for the WG200, WG92, and WG98 transmission series. This OEM genuine part channels pressurized hydraulic oil between the valve body and clutch packs, ensuring consistent lubrication and shift pressure. As a formed metal assembly, it resists vibration fatigue while maintaining flow integrity. The SKU 4660.306.067 is a direct replacement for original equipment, eliminating guesswork during rebuilds. It integrates with the 4660198001 PERIPHERALS kit and the 0501209818 RANGE SELECTOR to restore full hydraulic circuit performance.
Symptoms of Failure
- External hydraulic oil leaks near the transmission pan rail – Cracks in the formed tube allow ATF to escape, leaving puddles under the vehicle.
- Erratic or delayed gear engagement – Reduced line pressure from a compromised tube causes slipping between forward and reverse shifts.
- Whining or cavitation noise from the pump – Air ingestion through a fractured tube creates a high-pitched sound during acceleration.
- Overheating transmission fluid – Insufficient oil flow due to a blocked or collapsed tube leads to thermal stress and burnt smell.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4660.306.067 |
| Material | Steel, zinc-plated |
| Length | ~320 mm |
| Tube Outer Diameter | 12 mm |
| Wall Thickness | 1.5 mm |
| Weight | 0.18 kg |
| OEM Reference | ZF 4660.306.067 |
| Fitting Type | Flare nut, M14x1.5 |
Compatibility
This formed tube is engineered for ZF WG series powershift transmissions. It directly fits the WG180, WG200, WG92, and WG98 models used in construction and agricultural machinery. The part also applies to select WG120 and WG150 variants where the hydraulic circuit layout matches. Always verify the routing against the 4660101011 TRANSMISSION HOUSING and the 4660301018 HOUSING to confirm fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4660198001 | PERIPHERALS | External hydraulic line assembly |
| 0501209818 | RANGE SELECTOR | Shift control valve |
| 4660101011 | TRANSMISSION HOUSING | Main structural casing |
| 4660301018 | HOUSING | Clutch housing cover |
| 0631306174 | CYLINDRICAL PIN | Alignment dowel |
| 0769123894 | TYPE PLATE | Identification tag |
| 4660221012 | SUCTION TUBE | Oil intake line |
| 0634100317 | O-RING | Seal for tube connections |
| 0636103273 | CAP SCREW | Fastener for housing |
| 0750100022 | SCREW PLUG | Drain or port plug |
