Overview
This genuine ZF 6057.018.320 CONTROL UNIT is a critical electronic module responsible for managing hydraulic pressure and shift timing within the WG160 transmission series. Mounted directly on the valve body assembly, it processes input from speed sensors and the engine ECU to execute precise gear changes under varying load conditions. The SKU 6057.018.320 serves as the brain of the transmission, translating driver commands into smooth, reliable shifts. When this control unit operates correctly, it ensures optimal clutch engagement and torque converter lock-up, directly impacting fuel efficiency and driveline longevity.
Symptoms of Failure
- Erratic or harsh shifting: A failing control unit often causes delayed or abrupt gear engagements, particularly when the transmission is under heavy load or during cold starts.
- Transmission stuck in limp mode: The system may default to a single gear (usually 3rd or 4th) to protect internal components, accompanied by a check engine light and reduced power output.
- Intermittent loss of communication: You may experience sudden neutral drops or unresponsive shift paddles, often triggered by internal electronic degradation or moisture ingress into the unit.
- Oil contamination from internal failure: In severe cases, a shorted control unit can cause overheating of the transmission fluid, leading to a burnt smell and dark, gritty oil that accelerates wear on the TRANSMISSION HOUSING and valve body components.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6057.018.320 |
| OEM Reference | ZF 6057.018.320 |
| Material | Die-cast aluminum housing with sealed electronic PCB |
| Weight | 1.45 kg (3.2 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 55 mm |
| Operating Voltage | 12V DC (nominal) |
| Connector Type | 35-pin rectangular (AMP/TE compatible) |
| Operating Temperature | -40°C to +125°C |
Compatibility
While this control unit is specifically calibrated for the WG160 series, it shares mounting patterns and electrical architecture with the WG180 and WG200 models produced after 2015. It is also compatible with certain WG150 variants that utilize the same solenoid driver configuration. Always verify the transmission serial number against the OEM parts catalog before installation. The unit interfaces directly with the HOUS.FRONT SECT and the HOUSING REAR PART to form a sealed electronic compartment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101055 | TRANSMISSION HOUSING | Main structural casing that encloses gear sets and valve body |
| 4656201075 | HOUS.FRONT SECT | Front section housing the torque converter and pump assembly |
| 4656201076 | HOUSING REAR PART | Rear casing that supports output shaft and speed sensors |
| 4656298047 | HOUSING REAR SECTION | Extended rear housing for PTO or auxiliary drive integration |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for precise positioning of housing sections |
| 4656301148 | FIXING PLATE | Secures the control unit harness to the valve body |
| 0636100817 | CAP SCREW | M8 fastener for mounting the control unit bracket |
| 4656301016 | SCREEN SHEET | Fine mesh filter protecting the control unit from debris |
| 4656301017 | SCREEN SHEET | Secondary filter for the solenoid return circuit |
| 0636100803 | CAP SCREW | M6 fastener for securing the HOUSING REAR SECTION |
Frequently Asked Questions
Q: Can I install this control unit without reprogramming?
A: No. The 6057.018.320 requires initial calibration using ZF diagnostic software to match the transmission’s clutch wear characteristics and vehicle VIN. Installation without programming may result in fault codes and harsh shifting.
Q: How do I test if my control unit is faulty before replacing it?
A: Perform a resistance check across pins 1 and 2 of the main connector. A reading outside 4.5–5.5 ohms indicates internal solenoid driver failure. Additionally, inspect the SCREEN SHEET for metallic debris, which often accompanies control unit failure.
Q: Is this part interchangeable with the WG180 control unit?
A: Physically, yes—the mounting holes and connector align. However, the firmware differs. Using a WG160 unit in a WG180 transmission will cause incorrect shift pressures and potential damage to the HOUS.FRONT SECT due to torque converter lock-up timing errors.
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ZF 6057.018.320 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.320 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 6057.018.320 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4656054141
- 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 | 6057.018.320 |
|---|---|
| Normalized SKU | 6057018320 |
| 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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