Overview
The ZF 6009.065.512 CONTROL UNIT is a critical electro-hydraulic module responsible for directing oil flow and managing shift timing within the WG 190 transmission series. Positioned on the valve body assembly, this OEM genuine part interprets electronic signals from the transmission control module to actuate clutch and brake packs. The SKU 6009.065.512 ensures precise pressure regulation, directly influencing shift quality and torque converter lockup behavior. As a factory-spec component, it guarantees seamless integration with the transmission’s hydraulic circuits, preventing cross-leakage and maintaining consistent line pressure across all operating temperatures.
Symptoms of Failure
- Erratic or harsh shifting: A failing control unit causes delayed or abrupt gear changes, often accompanied by a noticeable “clunk” during 2-3 or 3-4 upshifts. This symptom worsens under load or in stop-and-go traffic.
- Transmission slipping in forward gears: Worn solenoids or degraded internal seals within the 6009.065.512 unit lead to pressure loss, resulting in engine revving without proportional acceleration, particularly in 3rd and 4th gears.
- No reverse engagement: A complete failure of the control unit’s reverse pressure circuit prevents the transmission from engaging reverse, often with no diagnostic trouble codes present.
- Torque converter shudder: Inconsistent lockup control from a degraded unit produces a vibration at highway speeds (45-65 mph), mimicking driveline imbalance issues.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6009.065.512 |
| Material | Die-cast aluminum housing with nitrile seals |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 65 mm |
| OEM Reference | ZF 6009.065.512 |
| Operating Voltage | 12V DC (nominal) |
| Max Pressure Rating | 18 bar (261 psi) |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This control unit is engineered for the ZF WG 190 series, but its hydraulic and electronic architecture also supports the WG 180, WG 200, and WG 210 transmissions used in medium-duty trucks, buses, and off-highway equipment. The 6009.065.512 interfaces directly with the valve body and requires the TRANSMISSION HOUSING to maintain structural alignment. For complete assembly, it mounts between the HOUS.FRONT SECT and the HOUSING REAR PART, secured with a CYLINDRICAL PIN for precise dowel alignment. Always verify serial number ranges for pre-2005 vs. post-2005 production variants.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101031 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201027 | HOUS.FRONT SECT | Front section housing torque converter |
| 4657201020 | HOUSING REAR PART | Rear section supporting output shaft |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing halves |
| 0636100801 | CAP SCREW | M10 bolt for housing fastening |
| 4656301148 | FIXING PLATE | Retainer for control unit bracket |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil sump |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter |
| 0636100803 | CAP SCREW | M8 bolt for valve body attachment |
| 4681301040 | OIL FEED.HOUSG. | Pressurized oil supply conduit |
Frequently Asked Questions
Q: Can the 6009.065.512 control unit be repaired, or must it be replaced?
A: While internal solenoid coils can sometimes be bench-tested, the unit is sealed and non-serviceable. Replacement with OEM 6009.065.512 is recommended to avoid recurring pressure faults.
Q: Does this control unit require programming after installation?
A: No. The 6009.065.512 is a passive hydraulic controller with fixed calibration. It does not store adaptive data; however, a transmission control module reset may be needed to clear stored shift adaptation values.
Q: What is the typical lifespan of this part in a WG 190 transmission?
A: Under normal operating conditions with regular fluid changes (every 60,000 km), the control unit typically lasts 300,000–400,000 km. Contaminated fluid or overheating accelerates failure.
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ZF 6009.065.512 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6009.065.512 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 6009.065.512 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024018
- Documentation reference available for RFQ review
- 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 | 6009.065.512 |
|---|---|
| Normalized SKU | 6009065512 |
| 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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