Overview
The ZF 6009.092.564 CONTROL UNIT is a critical electronic-hydraulic interface module designed exclusively for the WG 191 Series transmission. This OEM genuine part governs shift timing, clutch pressure modulation, and torque converter lock-up logic within the valve body assembly. As the central command node, it translates driver inputs and sensor data into precise hydraulic actions. The SKU 6009.092.564 is manufactured to ZF’s original tolerances, ensuring direct plug-and-play replacement without adaptation. When paired with a properly functioning 4657120005: PRESSURE REGULATOR, this control unit maintains stable line pressures across all operating temperatures.
Symptoms of Failure
- Erratic shift timing or harsh engagement: A failing control unit often causes delayed upshifts or abrupt downshifts, especially under load. This is a common search query for “ZF WG191 harsh shifting fix.”
- Intermittent loss of forward or reverse gear: When the unit’s solenoid drivers degrade, the transmission may suddenly drop into neutral. Technicians frequently search for “ZF transmission intermittent gear loss control unit.”
- Torque converter shudder at highway speeds: A worn control unit fails to modulate lock-up pressure, producing a vibration during cruise. This symptom aligns with “ZF WG191 torque converter shudder cause.”
- Persistent transmission warning light with code P0740: Internal circuit faults trigger diagnostic trouble codes related to clutch pressure control. Users often look for “ZF 6009.092.564 fault code P0740.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6009.092.564 |
| OEM Reference | ZF 6009 092 564 |
| Material | Die-cast aluminum housing with glass-filled nylon solenoid body |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 65 mm |
| Operating Voltage | 12V DC (nominal) |
| Seal Type | Integrated O-ring grooves (replacement seal kit recommended) |
Compatibility
This control unit is engineered for the ZF WG 191 Series, but its valve body footprint also suits the WG180, WG200, and WG210 variants when used with the correct adapter harness. It is not compatible with the earlier WG160 or later WG220 without significant modification. For a complete rebuild, always inspect the 0501211384: VALVE for scoring and replace the 0630532183: INDENTED RING if the bore shows wear. Additionally, verify the 4656306145: PISTON moves freely within its sleeve before final assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657120005 | PRESSURE REGULATOR | Maintains consistent hydraulic pressure to the control unit |
| 0501211384 | VALVE | Directs oil flow for clutch and band application |
| 0630532183 | INDENTED RING | Secures valve components and prevents axial movement |
| 4656306145 | PISTON | Converts hydraulic pressure into mechanical force for clutch packs |
| 0732042767 | COMPRESSION SPRING | Returns the piston to its neutral position after actuation |
| 0631612064 | SET SCREW | Locks the valve body adjustment for calibration |
| 0631610026 | SET SCREW | Secures the control unit mounting bracket |
| 4657101049 | TRANSMISSION HOUSING | Encloses the entire gear train and valve body assembly |
| 4657301130 | HOUS.FRONT SECT | Front section of the transmission case, houses the pump |
| 4657301131 | HOUSING REAR PART | Rear section of the transmission case, supports output shaft |
Frequently Asked Questions
Q: Can I install the 6009.092.564 control unit without replacing the pressure regulator?
A: It is strongly recommended to replace the 4657120005: PRESSURE REGULATOR simultaneously, as a worn regulator can send contaminated oil or incorrect pressure into the new control unit, causing premature failure.
Q: How do I know if my WG191 needs this control unit versus a simple valve body repair?
A: If you have verified that the 0501211384: VALVE and 4656306145: PISTON move freely, yet the transmission still exhibits electronic fault codes or erratic shifting, the control unit itself is the likely culprit.
Q: Is the 6009.092.564 a direct replacement for the earlier 6009.092.563?
A: Yes, the 6009.092.564 supersedes the 6009.092.563 and includes updated solenoid drivers. However, you must also replace the 0630532183: INDENTED RING to ensure proper sealing in the updated valve body bore.
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ZF 6009.092.564 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6009.092.564 CONTROL UNIT with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This control unit page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 6009.092.564 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657033001
- Documentation reference: 4657033002
- Documentation reference available for RFQ review
- Documentation reference: 4657033001
- Illustration section: LOOSE PARTS
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 6009.092.564 |
|---|---|
| Normalized SKU | 6009092564 |
| Part name | CONTROL UNIT |
| Product category | control unit |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
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