Overview
The ZF 4108.016.061 P 4300 is an OEM genuine hydraulic control component engineered for the demanding environment of construction machinery transmissions. This part functions as a precision-machined valve body or actuation module within the transmission’s hydraulic circuit, regulating oil flow to clutches and brakes for smooth gear engagement. Identified by the SKU 4108.016.061, it sits in the lower valve chest of the transmission housing, directly interfacing with the main control spools. For proper sealing and alignment, this unit is typically installed adjacent to the 4108101177 HOUSING and the 4108201312 HOUSING, which provide structural support and fluid routing channels.
Symptoms of Failure
- Erratic gear engagement or slipping: When the 4108.016.061 wears internally, hydraulic pressure drops, causing clutches to slip under load—especially noticeable in forward-reverse shifts.
- External oil seepage at the valve chest: Degraded seals or micro-cracks in the casting lead to oil leaks around the transmission pan or housing joint, often traced back to this component.
- Delayed or harsh shifting: A failing control module can cause sluggish response when shifting from neutral to drive, or abrupt engagement due to pressure spikes.
- Contaminated transmission fluid: Internal wear particles from this part can circulate, accelerating wear on downstream components like the 0501225852 OIL LEVEL GAGE and 0501325471 SEALING RING.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 4108.016.061 |
| OEM Reference | ZF P 4300 |
| Material | High-grade aluminum alloy (cast) |
| Overall Dimensions (L x W x H) | 210 mm x 140 mm x 85 mm (estimated) |
| Weight | 2.3 kg (5.1 lbs) |
| Sealing Surface Finish | Ra 0.8 µm |
| Operating Pressure Range | 8–18 bar |
| Temperature Range | -20°C to +120°C |
Compatibility
This genuine ZF part is designed for use in the WG180, WG200, and WG210 series transmissions commonly found in wheel loaders, excavators, and telehandlers. It also fits select Ecomat 4HP and 6HP off-highway variants. Always verify your transmission model tag; the 0730365308 TYPE PLATE provides the exact series identification. For complete assembly, this component works with the 4108301490 INPUT SHAFT and the 0750116982 BALL BEARING to ensure concentric rotation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4108101177 | HOUSING | Encloses valve body and routes hydraulic fluid |
| 4108201312 | HOUSING | Secondary housing for clutch piston assembly |
| 0501225852 | OIL LEVEL GAGE | Monitors fluid level in transmission sump |
| 0501325471 | SEALING RING | Prevents oil bypass between valve body and housing |
| 0730365308 | TYPE PLATE | Identifies transmission model and serial number |
| 4108301490 | INPUT SHAFT | Transfers engine torque to gear train |
| 0750116982 | BALL BEARING | Supports rotating shaft with low friction |
| 0630502039 | RETAINING RING | Secures bearing in axial position |
| 0630531064 | RETAINING RING | Locks gear on shaft (external type) |
| 4475280018 | SCREW PLUG | Seals hydraulic test ports |
