Overview
The ZF 4108.014.206 P 3301 is an OEM genuine component engineered for the hydraulic control system within heavy-duty construction machinery transmissions. This part functions as a precision-machined valve or piston assembly, regulating oil flow to clutch packs and shift elements. It is located inside the main valve body or housing, directly interfacing with the 4108101172 HOUSING to maintain proper line pressure. The SKU 4108.014.206 is critical for ensuring correct shift timing and preventing torque converter lockup issues in demanding off-highway applications.
Symptoms of Failure
- Delayed or harsh gear engagement – When the 4108.014.206 wears, internal leakage causes sluggish shifts or abrupt clutch application, especially under load.
- Erratic transmission slipping – A worn valve seat or spool leads to inconsistent hydraulic pressure, resulting in intermittent slipping during acceleration or hill climbing.
- External oil seepage – Degraded seals around this part allow ATF to weep past the 0501325470 SEALING RING, leaving visible drips on the housing.
- No forward or reverse movement – Complete failure of the control bore prevents pressure from reaching the clutch packs, causing total loss of drive in one or more ranges.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4108.014.206 |
| Material | Hardened alloy steel with anti-corrosion coating |
| Overall Length | 82.5 mm (3.25 in) |
| Outer Diameter | 28.0 mm (1.10 in) |
| Weight | 0.18 kg (0.40 lb) |
| Sealing Surface Finish | Ra 0.4 µm |
| Operating Pressure Range | 8–22 bar |
| Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 4108.014.206 P 3301 |
Compatibility
This genuine ZF part is designed for use in the following transmission models commonly found in construction machinery such as wheel loaders, graders, and dump trucks:
- ZF WG180 – Powershift transmission for mid-size loaders
- ZF WG200 – Heavy-duty off-highway transmission
- ZF WG210 – High-torque variant for articulated trucks
- ZF 4WG-200 – Four-speed version with integrated torque converter
During installation, always inspect the 4108301468 INPUT SHAFT for spline wear and replace the 0730365280 TYPE PLATE if the identification tag is illegible.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101172 | HOUSING | Encloses valve bores and channels hydraulic fluid |
| 0501325470 | SEALING RING | Prevents oil bypass between stationary and rotating parts |
| 0730365280 | TYPE PLATE | Provides transmission identification and serial number |
| 4108301468 | INPUT SHAFT | Transfers engine torque to the gear train |
| 0735330931 | BALL BEARING | Supports rotating shafts with minimal friction |
| 0630532160 | RETAINING RING | Secures bearings and gears axially |
| 0630531130 | RETAINING RING | Internal snap ring for bore retention |
| 4475280018 | SCREW PLUG | Seals test ports and oil passages |
| 0634304358 | O-RING | Static seal between mating flanges |
| 4108102067 | INPUT | Hydraulic input coupling for clutch feed |
