Overview
The ZF 6057.018.131 CONTROL UNIT is a critical electronic-hydraulic interface module designed exclusively for the WG 190 Series transmission. This OEM genuine part governs shift timing, pressure modulation, and torque converter lock-up within the valve body assembly. By processing signals from the transmission control module (TCM), it precisely directs oil flow to clutches and brakes, ensuring smooth gear transitions under heavy-duty cycles. The SKU 6057.018.131 is engineered to withstand high thermal loads and vibration, making it a direct replacement for failed units in construction and agricultural machinery. It mounts directly onto the TRANSMISSION HOUSING, where it interfaces with the main hydraulic circuits.
Symptoms of Failure
- Erratic or delayed gear engagement — When the control unit loses calibration, operators often report a 2-3 second lag when shifting from Neutral to Drive, especially under load. This is a common search query for “ZF WG190 shifting delay fix.”
- Harsh upshifts and downshifts — A failing solenoid driver within the unit causes abrupt clutch apply, leading to driveline shock. This symptom is frequently searched as “ZF transmission harsh shift WG190.”
- Intermittent loss of reverse gear — Internal circuit board degradation can cut power to the reverse pressure solenoid, causing the vehicle to stall when selecting reverse. Technicians often search for “WG190 no reverse control unit.”
- Transmission fluid contamination in electrical connector — A cracked housing allows ATF to wick into the pin cavity, causing corrosion and short circuits. This is a known issue for “ZF 6057.018.131 oil in connector.”
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 6057.018.131 |
| Material | Die-cast aluminum housing with glass-filled nylon connector |
| Weight | 1.85 kg (4.08 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 65 mm |
| Operating Voltage | 12V / 24V DC (dual compatible) |
| Hydraulic Ports | 6 (pressure, lube, clutch feed) |
| OEM Reference | ZF Friedrichshafen AG |
| Seal Type | Viton O-rings (included) |
Compatibility
This CONTROL UNIT is engineered for the WG 190 Series transmission family, which includes models such as the WG180, WG190, and WG200. It is also backward-compatible with certain WG160 variants that share the same valve body footprint. The unit integrates with the HOUS.FRONT SECT and the HOUSING REAR PART to form the complete shift control assembly. For applications using the HOUSING REAR SECTION, verify the harness connector orientation before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Encloses the gear train and valve body |
| 4657201166 | HOUS.FRONT SECT | Front section of the transmission casing |
| 4657201168 | HOUSING REAR PART | Rear casing section for output shaft support |
| 4657298101 | HOUSING REAR SECTION | Alternate rear housing variant for PTO adapters |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating surfaces |
| 0636100801 | CAP SCREW | M10 bolt for securing control unit bracket |
| 4656301148 | FIXING PLATE | Retainer plate for solenoid harness |
| 4657301032 | SCREEN SHEET | Fine mesh filter for valve body inlet |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for return line |
| 0636100803 | CAP SCREW | M8 bolt for housing flange |
Frequently Asked Questions
Q: Can the ZF 6057.018.131 be repaired, or must it be replaced?
A: This control unit is a sealed, non-serviceable assembly. Internal circuit board damage or solenoid failure requires full replacement. Attempting to open the housing voids the OEM warranty and often leads to fluid ingress.
Q: Does this part require programming after installation?
A: Yes. The 6057.018.131 must be calibrated to the specific transmission using ZF diagnostic software (e.g., ZF-Testman). Without adaptation, shift pressures may default to limp-home mode.
Q: What torque specification is recommended for the mounting bolts?
A: Use 25 Nm (18.4 lb-ft) for the M8 cap screws securing the unit to the valve body. Over-torquing can crack the aluminum housing. Always replace the O-rings on the hydraulic ports during installation.
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ZF 6057.018.131 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.131 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 6057.018.131 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024142
- 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 | 6057.018.131 |
|---|---|
| Normalized SKU | 6057018131 |
| 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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