Overview
The ZF 6057.018.280 CONTROL UNIT is a precision-engineered electro-hydraulic component that governs shift timing and pressure regulation within the WG 171 transmission series. Positioned on the valve body assembly, this OEM genuine part (SKU: 6057.018.280) interprets electronic signals from the transmission control module to actuate clutch and brake circuits. Without this control unit, the transmission cannot execute gear changes or maintain proper line pressure. It integrates directly with the 4656101028: TRANSMISSION HOUSING and the 4656301066: HOUS.FRONT SECT to form a sealed hydraulic circuit.
Symptoms of Failure
- Erratic or delayed gear engagement — A failing control unit often causes hesitation when shifting from Neutral to Drive or Reverse, especially under load. This is a common search query for “WG171 transmission shifting delay.”
- Intermittent transmission slipping — When the control unit loses calibration, internal clutches may fail to hold torque, resulting in RPM flare during acceleration. This symptom is frequently searched as “ZF WG171 slipping between gears.”
- Harsh or clunking shifts — A worn solenoid driver within the control unit can cause abrupt pressure spikes, leading to jarring upshifts or downshifts. Technicians often look for “WG171 harsh shift fix.”
- Transmission stuck in limp mode — The control unit may trigger a fault code that forces the gearbox into a single gear (usually 2nd or 3rd). This is a classic sign of internal electronic failure, searched as “WG171 limp mode control unit.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6057.018.280 |
| OEM Reference | ZF 6057 018 280 |
| Material | Die-cast aluminum housing with integrated solenoid valves |
| Weight | 1.8 kg (3.97 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 65 mm |
| Operating Voltage | 12V DC / 24V DC compatible |
| Seal Type | Integrated O-ring grooves (compatible with 0634313514: O-RING) |
| Mounting Hardware | Requires 0636100803: CAP SCREW (x4) |
Compatibility
This control unit is specifically designed for the ZF WG 171 series, but its electronic architecture is shared across several ZF off-highway transmissions. It is compatible with WG180, WG200, and WG211 models that utilize the same valve body footprint. The unit also interfaces with the 4656201015: SCREEN SHEET for fluid filtration and the 4656301037: TUBE for hydraulic routing. Always verify your transmission serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101028 | TRANSMISSION HOUSING | Main structural casing for gear and clutch packs |
| 4656301066 | HOUS.FRONT SECT | Front section housing the torque converter and pump |
| 4656201015 | SCREEN SHEET | Fine mesh filter protecting valve body from debris |
| 4656301037 | TUBE | Hydraulic fluid passage between control unit and clutch drums |
| 0634313514 | O-RING | Seals control unit mating surface to prevent external leaks |
| 0636100803 | CAP SCREW | M8 fastener securing control unit to valve body |
| 4656301042 | HOUSING REAR PART | Rear section enclosing output shaft and speed sensors |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for precise control unit positioning |
| 0636100801 | CAP SCREW | M6 fastener for housing front section attachment |
| 0636100160 | CAP SCREW | M10 fastener for rear housing mounting |
Frequently Asked Questions
Q: Can the ZF 6057.018.280 control unit be repaired, or must it be replaced?
A: This unit is a sealed assembly with non-serviceable internal electronics. Once failure symptoms appear—such as erratic shifting or limp mode—replacement with this OEM genuine part is the only reliable solution.
Q: Does this control unit require programming after installation?
A: Yes. The 6057.018.280 must be calibrated to the specific transmission using ZF diagnostic software. Installation without proper coding may result in incorrect shift pressures or fault codes.
Q: What other parts should be replaced when installing a new control unit?
A: It is strongly recommended to replace the 0634313514: O-RING and the 4656201015: SCREEN SHEET simultaneously to prevent contamination from entering the new unit.
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ZF 6057.018.280 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.280 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 6057.018.280 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4656073036
- Documentation reference available for RFQ review
- Illustration section: ACCESSORIES
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 | 6057.018.280 |
|---|---|
| Normalized SKU | 6057018280 |
| 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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