Overview
The ZF 6009.092.782 CONTROL UNIT is a critical electro-hydraulic interface module designed specifically for the WG210 series. It governs shift timing, clutch pressure modulation, and torque converter lock-up within the transmission valve body. As an OEM genuine part, the SKU 6009.092.782 ensures precise signal conversion from the TCU to hydraulic actuators, maintaining the exact shift feel and durability required for heavy-duty industrial applications. This control unit sits directly atop the main valve body assembly, interfacing with the TRANSMISSION HOUSING and adjacent structural components to regulate oil flow paths.
Symptoms of Failure
- Erratic or delayed gear engagement – When the 6009.092.782 control unit loses internal seal integrity, hydraulic pressure drops, causing a noticeable lag when shifting from Neutral to Drive or Reverse. This often manifests as a “harsh engagement” or “slipping on takeoff” in WG210-equipped vehicles.
- Intermittent transmission overheating – A failing control unit can fail to modulate the torque converter lock-up clutch, leading to sustained converter slip and elevated fluid temperatures above 120°C. Operators may see dashboard warnings or smell burnt ATF.
- Unexpected downshifting at highway speeds – Internal solenoid degradation within the control unit can cause false speed sensor readings, triggering involuntary downshifts during cruising. This is frequently searched as “transmission hunts for gear” or “unexpected downshift WG210.”
- Fluid contamination from solenoid debris – Worn internal components can shed metallic particles into the hydraulic circuit, accelerating wear on the HOUS.FRONT SECT and HOUSING REAR PART.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number (SKU) | 6009.092.782 |
| OEM Reference | ZF 6009.092.782 |
| Material | Die-cast aluminum alloy with stainless steel solenoids |
| Weight | 2.85 kg (6.28 lbs) |
| Dimensions (L x W x H) | 210 mm x 145 mm x 95 mm |
| Operating Voltage | 12V DC / 24V DC compatible |
| Hydraulic Ports | 6 pressure ports (M10 x 1.0) |
| Seal Type | NBR O-rings (included) |
Compatibility
This control unit is engineered for the ZF WG210 series, but cross-referencing with OEM documentation confirms its use in the WG180, WG200, and WG250 families when paired with the correct HOUSING REAR SECTION. It is not compatible with older WG120 or WG150 models without adapter plates. Always verify the valve body casting number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101080 | TRANSMISSION HOUSING | Main structural casing for gear train |
| 4657201167 | HOUS.FRONT SECT | Front section housing pump and converter |
| 4657201171 | HOUSING REAR PART | Rear section supporting output shaft |
| 4657298103 | HOUSING REAR SECTION | Alternative rear housing variant |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | M10 fastener for control unit mounting |
| 4656301148 | FIXING PLATE | Retains control unit to valve body |
| 4657301034 | SCREEN SHEET | Fine mesh filter for solenoid protection |
| 4657301035 | SCREEN SHEET | Coarse mesh filter for main oil circuit |
| 0636100803 | CAP SCREW | M8 fastener for housing sections |
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