Overview
The ZF 6057.018.200 CONTROL UNIT is a critical electronic-hydraulic interface module designed specifically for the WG211 series of powershift transmissions. This OEM genuine part governs shift timing, clutch pressure modulation, and torque converter lock-up within the transmission valve body. By processing signals from the vehicle’s ECU and translating them into precise hydraulic commands, the SKU 6057.018.200 ensures smooth gear transitions under heavy load. It mounts directly onto the 4657101049: TRANSMISSION HOUSING, where it interfaces with the main hydraulic circuits to regulate oil flow to clutches and brakes.
Symptoms of Failure
- Erratic or harsh shifting under load – When the control unit loses calibration, gear engagement becomes jarring, especially during low-speed maneuvering or incline starts. This often manifests as a “clunk” when shifting from forward to reverse.
- Delayed engagement or gear slipping – A worn 6057.018.200 may cause a 2-3 second delay before the transmission engages Drive or Reverse, followed by noticeable RPM flare without corresponding vehicle acceleration.
- Intermittent loss of forward or reverse gears – Internal solenoid failure within the control unit can cause complete loss of a gear range, often accompanied by a flashing warning light on the dashboard.
- Transmission overheating with no diagnostic codes – A malfunctioning control unit may fail to regulate lock-up clutch timing, generating excessive heat even under normal operation.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number / SKU | 6057.018.200 |
| OEM Reference | ZF 6057.018.200 |
| Material | Die-cast aluminum housing with stainless steel solenoid cores |
| 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 (vehicle-dependent) |
| Seal Type | Integrated O-ring groove (replacement O-ring sold separately) |
Compatibility
This control unit is engineered for the ZF WG211 series, but its mounting pattern and hydraulic interface also suit earlier WG180, WG200, and WG210 variants used in construction and agricultural machinery. It directly replaces units found in ZF 4WG-180, 4WG-200, and 4WG-211 transmissions. The control unit bolts to the 4657301130: HOUS.FRONT SECT and is secured by the 0631306816: CYLINDRICAL PIN for precise alignment. For rear-mounted applications, the 4657301131: HOUSING REAR PART provides the necessary support structure. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101049 | TRANSMISSION HOUSING | Main structural casing that houses gear sets and valve body |
| 4657301130 | HOUS.FRONT SECT | Front section of the housing, supports control unit mounting |
| 4657301131 | HOUSING REAR PART | Rear housing section, contains output shaft bearings |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise control unit positioning |
| 0636102489 | CAP SCREW | M10 fastener for securing valve body cover |
| 4656301148 | FIXING PLATE | Retaining plate for solenoid harness connector |
| 0636102463 | CAP SCREW | M8 bolt for control unit bracket attachment |
| 4657201133 | SCREEN SHEET | Fine mesh filter protecting control unit hydraulic ports |
| 0636115287 | CAP SCREW | M6 bolt for screen sheet retention |
| 4657301065 | PLATE | Spacer plate between control unit and housing |
Frequently Asked Questions
Q: Can the 6057.018.200 control unit be repaired, or must it be replaced?
A: While some internal solenoids can be bench-tested, ZF recommends full replacement of this sealed unit. Internal circuit board corrosion or solenoid coil failure typically requires a new OEM part to ensure reliable shift quality.
Q: Will this control unit work with a 24V electrical system?
A: Yes. The 6057.018.200 is designed for dual-voltage compatibility (12V/24V). However, you must verify that your transmission’s wiring harness and ECU are configured for 24V operation to avoid solenoid damage.
Q: What is the typical service life of this control unit?
A: Under normal operating conditions with clean hydraulic fluid, the control unit typically lasts 5,000–8,000 hours. Contaminated oil or frequent thermal cycling can reduce this lifespan significantly.
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ZF 6057.018.200 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.200 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 6057.018.200 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657063013
- 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 | 6057.018.200 |
|---|---|
| Normalized SKU | 6057018200 |
| 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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