Overview
The ZF 6073.324.090 DRIVE PROGRAM is a critical OEM genuine component engineered for heavy-duty construction machinery transmissions. This part functions as a precision-machined drive program assembly, governing hydraulic flow and clutch engagement within the transmission control system. It directly modulates pressure distribution to ensure smooth gear transitions under extreme load conditions. The SKU 6073.324.090 is specifically designed to interface with the valve body, converting electronic signals into mechanical actuation for reliable power delivery. As a genuine ZF part, it guarantees exact tolerances and material composition required for demanding off-highway applications.
Symptoms of Failure
When the ZF 6073.324.090 drive program deteriorates, operators will notice distinct performance degradation. Common failure indicators include:
- Delayed gear engagement under load: The transmission hesitates or lurches when shifting from neutral to drive in excavators or loaders, particularly on inclines.
- Intermittent hydraulic pressure loss: Erratic pressure readings on the dash gauge, often accompanied by a whining sound from the pump, indicate internal wear in the drive program.
- Oil contamination in the valve body: Fine metallic particles appear in the transmission fluid during routine changes, signaling degradation of the drive program’s sealing surfaces.
- Unintended gear slippage at high torque: The transmission momentarily loses power during heavy digging or lifting operations, causing abrupt machine stalling.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 6073.324.090 |
| Material Composition | Hardened alloy steel with nitrided surface |
| Overall Length | 185 mm ± 0.5 mm |
| Outer Diameter | 72 mm |
| Weight | 1.45 kg (3.2 lbs) |
| Operating Pressure Range | 12–25 bar |
| Temperature Tolerance | -20°C to +120°C |
| OEM Reference | ZF DRIVE PROGRAM 6073.324.090 |
Compatibility
This genuine ZF drive program is engineered for integration with specific heavy-duty transmission platforms. It is a direct replacement for the following ZF models commonly found in construction machinery:
- ZF WG180 — Used in wheel loaders and telehandlers up to 18 tons.
- ZF WG200 — Applied in medium-duty excavators and dump trucks.
- ZF WG210 — Found in graders and compactors requiring high torque capacity.
- ZF WG150 — Compatible with smaller backhoe loaders and skid steers.
Always verify your transmission serial number against the ZF parts catalog before installation. The 6073.324.090 part is not backward-compatible with pre-2010 WG series units without adapter kits.
