Overview
The ZF 6009.012.141 AUTOMATIC CONTROL UNIT is a critical electro-hydraulic interface module designed specifically for the WG 201 Series transmission family. This OEM genuine part governs shift timing, pressure modulation, and clutch engagement sequences within the valve body assembly. By precisely regulating hydraulic flow to the clutch packs and brakes, the control unit ensures smooth gear transitions under varying load conditions. The SKU 6009.012.141 is factory-calibrated to ZF’s exacting tolerances, making it a direct replacement for worn units in heavy-duty off-highway vehicles, construction equipment, and agricultural machinery. It mounts directly onto the transmission housing and interfaces with the main wiring harness to receive electronic commands from the vehicle’s ECU.
Symptoms of Failure
- Erratic or harsh shifting – When the control unit loses calibration, gear changes become abrupt or delayed, often accompanied by a “clunk” sound during acceleration or deceleration.
- Transmission slipping under load – A failing unit may fail to maintain proper clutch pressure, causing the transmission to slip when climbing grades or carrying heavy payloads.
- Intermittent loss of drive – Internal solenoid or sensor degradation can cause the transmission to suddenly drop into neutral, requiring a full restart to regain forward motion.
- Oil contamination in electrical connectors – Worn seals allow transmission fluid to migrate into the control unit’s wiring harness, leading to short circuits and diagnostic trouble codes (DTCs).
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number (SKU) | 6009.012.141 |
| Material | Die-cast aluminum housing with stainless steel solenoid cores |
| Weight | 2.4 kg (5.3 lbs) |
| Dimensions (L x W x H) | 210 mm x 140 mm x 85 mm |
| Operating Voltage | 12V / 24V DC (vehicle-dependent) |
| OEM Reference | ZF 6009.012.141 |
| Sealing Torque | 25 Nm (mounting bolts) |
Compatibility
This automatic control unit is engineered for the WG 201 Series transmissions, including the WG180, WG200, and WG210 models. It is also backward-compatible with select WG150 and WG160 variants that share the same valve body architecture. Always verify the transmission serial number against the OEM parts catalog before installation. The control unit works in conjunction with the 4644101203 TRANSMISSION HOUSING and the 4644301382 TRANSMISSION HOUSING to form the sealed hydraulic circuit. During replacement, inspect the 4644301189 THREADED BUSH for wear and ensure the 0636302005 SCREW PLUG is torqued to specification to prevent fluid bypass.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4644101203 | TRANSMISSION HOUSING | Main structural casing that encloses gear sets and valve body |
| 4644301382 | TRANSMISSION HOUSING | Secondary housing section for torque converter and PTO interface |
| 4644301189 | THREADED BUSH | Wear-resistant insert for hydraulic line connections |
| 0636302005 | SCREW PLUG | Seals oil passages during service and prevents debris ingress |
| 0634306198 | O-RING | Provides static seal between control unit and housing |
| 0634801098 | SEALING RING | Prevents fluid leakage at high-pressure ports |
| 0730365067 | TYPE PLATE | Identification tag with transmission model and serial number |
| 0631311009 | GROOVED STUD | Alignment dowel for precise mounting of valve body |
| 4644301161 | COVER PLATE | Protects control unit electronics from physical damage |
| 0636100621 | HEXAGON SCREW | Fastener for securing control unit to transmission housing |
ZF 6009.012.141 AUTOMATIC CONTROL UNIT – Control Unit RFQ Support
PartsZF supports RFQ review for ZF 6009.012.141 AUTOMATIC CONTROL UNIT in transmission control-system sourcing. The key step is confirming the part number against the machine or removed-unit evidence.
Part-Number Summary
Use ZF number 6009.012.141 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- 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 | 6009.012.141 |
|---|---|
| Normalized SKU | 6009012141 |
| Part name | AUTOMATIC CONTROL UNIT |
| Product category | control unit |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
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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