Overview
This genuine OEM part, the ZF 4108.013.014 P 5200, is a critical hydraulic control valve assembly engineered for heavy-duty construction machinery transmissions. Positioned within the valve body of ZF’s modular transmission systems, it precisely regulates oil flow to the clutch packs and torque converter lock-up. The SKU 4108.013.014 ensures exact OEM tolerances for maintaining shift timing and line pressure integrity under extreme load conditions. As a direct replacement, it restores the transmission’s ability to manage hydraulic circuits without aftermarket adaptation.
Symptoms of Failure
When the 4108.013.014 valve assembly begins to degrade, operators will notice distinct performance declines. Watch for these specific failure indicators:
- Delayed engagement or harsh shifting – Worn spools or bore scoring cause erratic clutch pack fill times, leading to jarring gear changes or hesitation when moving from neutral to drive.
- Intermittent torque converter lock-up shudder – A failing valve cannot maintain steady pilot pressure, resulting in vibration during highway-speed operation.
- External hydraulic oil seepage – Cracks in the valve body housing or degraded O-rings at the mounting flange produce visible drips near the transmission pan rail.
- Low line pressure under load – Internal leakage past the valve lands reduces available hydraulic force, causing clutch slip during heavy excavation or uphill travel.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4108.013.014 (ZF P 5200) |
| Material | High-tensile aluminum alloy with hardened steel spools |
| Weight | 2.8 kg (6.2 lbs) |
| Overall Dimensions | 210 mm x 120 mm x 85 mm |
| Operating Pressure Range | 10–25 bar (145–363 psi) |
| Fluid Temperature Range | -20°C to +120°C (-4°F to +248°F) |
| OEM Reference | ZF P 5200 series valve body component |
Compatibility
This valve assembly is designed for integration into ZF’s WG and ECOMAT series transmissions commonly found in wheel loaders, graders, and excavators. It directly fits the following models:
- ZF WG180 – 6-speed powershift transmission for mid-size loaders
- ZF WG200 – Heavy-duty 6-speed unit for articulated dump trucks
- ZF 4WG-200 – 4-speed variant used in compact construction equipment
- ZF Ecomat 4 HP 500 – Automatic transmission for off-highway applications
Always verify your transmission’s serial number against the 4108.013.014 application list before installation. For cross-referencing, consult the ZF Parts Portal or your equipment manufacturer’s service manual.
