Overview
The ZF 6009.092.261 CONTROL UNIT is a critical electronic component responsible for managing shift timing, pressure modulation, and clutch engagement within the WG 171 Series transmission. Positioned on the valve body assembly, this OEM genuine part interprets input from the vehicle’s ECU to ensure precise gear changes under varying load conditions. The SKU 6009.092.261 is engineered to match factory tolerances, making it the direct replacement for failed units in heavy-duty commercial applications. When installed alongside a robust TRANSMISSION HOUSING, this control unit maintains hydraulic integrity and prevents cross-contamination from debris.
Symptoms of Failure
- Erratic or delayed shifting: A worn control unit often causes the transmission to hesitate between gears, particularly under heavy throttle. This “delayed shift” condition is a common search query for WG171 operators.
- Harsh engagement or gear slipping: When the unit loses calibration, clutch packs may engage abruptly or slip under load, leading to a “slipping transmission” complaint that worsens over time.
- Intermittent limp mode activation: Faulty internal circuitry can trigger the transmission to default to a single gear, often accompanied by a check-engine light. This “limp mode” symptom is frequently linked to control unit failure.
- Oil contamination from failed seals: A cracked housing on the control unit can allow transmission fluid to mix with debris, causing “oil leaks near valve body” that require immediate attention.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 6009.092.261 |
| Material | Die-cast aluminum with sealed electronic module |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 55 mm |
| OEM Reference | ZF 6009.092.261 |
| Operating Voltage | 12V / 24V DC |
| Seal Type | Integrated O-ring groove (compatible with 0634313514: O-RING) |
Compatibility
This control unit is specifically designed for the ZF WG 171 Series, but its valve body interface also fits the WG180 and WG200 models due to shared hydraulic architecture. It is commonly used in buses, construction vehicles, and municipal trucks. For proper installation, ensure the mating surfaces are clean and that the HOUS.FRONT SECT is free of warping. The unit also works in tandem with the SCREEN SHEET to filter hydraulic fluid before it reaches the solenoids. Always verify the TUBE connections for cracks during replacement.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101030 | TRANSMISSION HOUSING | Encloses gear train and supports control unit mounting |
| 4656301066 | HOUS.FRONT SECT | Front section of housing, aligns valve body |
| 4656201015 | SCREEN SHEET | Fine mesh filter protecting control unit solenoids |
| 4656301037 | TUBE | Hydraulic fluid conduit between pump and valve body |
| 0634313514 | O-RING | Seals control unit to housing, prevents leaks |
| 0636100803 | CAP SCREW | M6 fastener for securing control unit bracket |
| 4656301064 | HOUSING REAR PART | Rear housing section, supports output shaft |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for valve body positioning |
| 0636100801 | CAP SCREW | M8 fastener for housing assembly |
| 0636100160 | CAP SCREW | M10 fastener for transmission mount points |
Frequently Asked Questions
Q: Can the 6009.092.261 control unit be repaired, or must it be replaced?
A: Due to the sealed electronic module and proprietary firmware, this unit is not serviceable. Replacement with the OEM genuine part is required to restore proper shift logic.
Q: Will this part work with a WG180 transmission if I change the housing?
A: Yes, the control unit is mechanically interchangeable with WG180 and WG200 models, provided you also replace the HOUS.FRONT SECT and O-RING to match the valve body interface.
Q: How often should the screen sheet be replaced alongside this control unit?
A: ZF recommends replacing the SCREEN SHEET every time the control unit is swapped, as debris trapped in the old screen can immediately damage the new solenoids.
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ZF 6009.092.261 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6009.092.261 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 6009.092.261 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4656073002
- 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 | 6009.092.261 |
|---|---|
| Normalized SKU | 6009092261 |
| 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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