Overview
The ZF 6057.018.273 CONTROL UNIT is a critical electronic module responsible for managing hydraulic pressure modulation and shift timing within the WG210 series transmission. Positioned on the valve body assembly, this OEM genuine part interprets input from the transmission control module (TCM) to regulate clutch and band engagement. The SKU 6057.018.273 ensures precise electro-hydraulic signal conversion, directly influencing shift quality and torque converter lockup behavior. Without this control unit, the transmission cannot execute commanded gear changes, making it essential for driveline responsiveness in heavy-duty commercial vehicles.
Symptoms of Failure
- Erratic or delayed shifting — When the 6057.018.273 control unit degrades, the transmission may hesitate between gears or slam into gear unexpectedly. This often manifests as “ZF WG210 shift hesitation” or “delayed engagement after stop.”
- Transmission stuck in limp mode — A failing control unit frequently triggers fault codes that force the gearbox into a single gear or neutral. Operators searching for “WG210 limp mode fix” or “transmission stuck in third gear” commonly find the root cause in this electronic component.
- Intermittent loss of reverse gear — When the control unit loses communication with the reverse solenoid circuit, the vehicle may fail to engage reverse after extended operation. This symptom is often reported as “ZF transmission no reverse after warm-up.”
- Harsh downshifts under load — A worn control unit can cause abrupt downshifts when climbing grades, leading to driveline shock. This is frequently described in service logs as “hard 6-5 downshift WG210.”
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 6057.018.273 |
| OEM Reference | ZF 6057 018 273 |
| Material | Aluminum housing with glass-filled nylon connector |
| Weight | 1.2 kg (2.65 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 55 mm |
| Operating Voltage | 12V / 24V DC |
| Connector Type | 35-pin AMP Junior Timer |
| Sealing | IP6K9K rated |
Compatibility
This control unit is engineered specifically for the ZF WG210 series, but it also cross-fits select models in the WG180, WG200, and WG250 families when used with the correct valve body adapter plate. The 6057.018.273 is commonly found in ZF Ecomat 4HP and 5HP variants used in municipal buses, refuse trucks, and construction equipment. Always verify the transmission serial number prefix against ZF application charts before installation. The control unit interfaces directly with the 4657101080: TRANSMISSION HOUSING and requires proper alignment with the 4657201167: HOUS.FRONT SECT for secure mounting. The rearward sealing surface mates with the 4657201171: HOUSING REAR PART and the 4657298103: HOUSING REAR SECTION to maintain oil circuit integrity.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main structural casing for gear train and valve body |
| 4657201167 | HOUS.FRONT SECT | Front section housing torque converter and oil pump |
| 4657201171 | HOUSING REAR PART | Rear housing section supporting output shaft bearings |
| 4657298103 | HOUSING REAR SECTION | Extended rear housing for PTO mounting |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing-to-control unit interface |
| 0636100801 | CAP SCREW | M8 fastener for control unit mounting bracket |
| 4656301148 | FIXING PLATE | Retaining plate for control unit connector lock |
| 4657301034 | SCREEN SHEET | Fine mesh filter for valve body oil gallery |
| 4657301035 | SCREEN SHEET | Coarse mesh pre-filter for control unit sump |
| 0636100803 | CAP SCREW | M6 fastener for screen sheet retention |
Frequently Asked Questions
Q: Can the 6057.018.273 control unit be repaired, or must it be replaced?
A: This OEM genuine part is a sealed electronic assembly. Internal circuit board damage from heat or vibration cannot be reliably repaired. Replacement with a new 6057.018.273 unit is the recommended course of action to ensure proper shift logic and avoid intermittent failures.
Q: Does this control unit require programming after installation?
A: Yes. The 6057.018.273 must be flashed with the correct software calibration for the specific WG210 application. Use a ZF-approved diagnostic tool to load the appropriate parameter set. Failure to program the unit may result in incorrect shift pressures and clutch slip.
Q: What is the typical lifespan of this control unit in severe-duty applications?
A: In refuse trucks or transit buses operating in high-heat environments, the 6057.018.273 typically lasts 4-6 years. Exposure to moisture or conductive debris in the transmission fluid can accelerate failure. Regular fluid analysis and filter changes help extend service life.
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ZF 6057.018.273 CONTROL UNIT – Control Unit RFQ Support
PartsZF helps B2B buyers source ZF 6057.018.273 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 6057.018.273 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657054160
- 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 | 6057.018.273 |
|---|---|
| Normalized SKU | 6057018273 |
| 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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