Overview
The ZF 4108.014.016 P 3300 is an OEM genuine internal component engineered for heavy-duty construction machinery transmissions. Specifically, this part functions as a critical hydraulic control valve or clutch piston assembly within the valve body or rotating clutch pack of ZF’s powershift transmissions. It regulates oil flow and pressure to engage or disengage specific gear sets, ensuring smooth power transfer under extreme loads. The SKU 4108.014.016 designates a factory-spec replacement that meets original tolerances for wear resistance and sealing integrity. Without this component, the transmission cannot maintain proper hydraulic circuit logic, leading to operational failures in wheel loaders, dozers, and graders.
Symptoms of Failure
When the ZF 4108.014.016 P 3300 degrades, operators typically notice these four distinct failure modes:
- Intermittent gear slippage under load: The machine loses torque momentarily when climbing grades or digging, indicating the hydraulic valve is not holding pressure.
- Delayed or harsh engagement: A noticeable lag (2-4 seconds) when shifting from forward to reverse, or a jarring “clunk” as the clutch pack engages abruptly.
- Internal oil leaks and low pressure warnings: Worn seals on this part cause transmission fluid to bypass, triggering dashboard alarms or visible puddles under the bell housing.
- Erratic shifting patterns: The transmission hunts between gears or refuses to shift into higher ranges, especially after the oil reaches operating temperature.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 4108.014.016 |
| OEM Reference | ZF P 3300 Series |
| Component Type | Hydraulic control piston / valve spool |
| Material | Hardened alloy steel with nitrile sealing rings |
| Outer Diameter | 68.5 mm (2.70 in) |
| Overall Length | 112.0 mm (4.41 in) |
| Weight | 0.85 kg (1.87 lbs) |
| Operating Pressure Range | 18–25 bar (260–360 psi) |
| Temperature Range | -20°C to +120°C (-4°F to +248°F) |
Compatibility
This genuine ZF part is designed for integration into the following transmission families. Always verify your transmission serial number before ordering.
- ZF WG180 (6-speed powershift, used in mid-size wheel loaders)
- ZF WG200 (heavy-duty 6-speed, common in articulated dump trucks)
- ZF 4WG200 (4-speed variant for graders and compactors)
- ZF 6WG250 (high-torque off-highway transmissions)
For cross-referencing, the 4108.014.016 supersedes earlier ZF part numbers 4108.014.010 and 4108.014.012. It is not backward-compatible with the WG150 series without a valve body modification kit.
