Overview
The ZF 4166.034.093 CONVERTER Torque Converter Assembly is a critical hydraulic component that transfers engine torque to the transmission input shaft within the WG 210 Series powertrain. This complete unit, identified by SKU 4166.034.093, sits between the engine flywheel and the transmission pump, using a stator, turbine, and impeller to multiply torque during low-speed operation. It directly interfaces with the 4657101042: TRANSMISSION HOUSING to ensure proper alignment and fluid sealing. When functioning correctly, it provides smooth power delivery and prevents driveline shock in heavy-duty industrial applications.
Symptoms of Failure
- Torque converter shudder or vibration during acceleration, often felt as a rhythmic shaking in the cab or chassis, indicating worn clutch friction material or damaged stator bearings.
- Delayed or harsh engagement when shifting from neutral to drive or reverse, a classic sign of internal seal failure or turbine hub wear that reduces hydraulic pressure.
- Transmission fluid overheating and darkening due to excessive slippage, which can be detected by a burnt smell or dashboard temperature warnings, pointing to a failing lock-up clutch or impeller vane damage.
- Audible whining or grinding noises from the bell housing area, often caused by worn needle bearings or a cracked torque converter cover that allows debris into the hydraulic circuit.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4166.034.093 |
| Assembly Type | Complete Torque Converter Unit |
| Outer Diameter | ~340 mm (13.4 in) |
| Overall Length | ~180 mm (7.1 in) |
| Weight | ~18.5 kg (40.8 lbs) |
| Material | Steel housing with aluminum impeller and turbine |
| OEM Reference | ZF 4166.034.093 |
| Fluid Capacity | ~2.8 liters (0.74 gal) |
| Max Input Torque | ~1,200 Nm (885 lb-ft) |
Compatibility
This torque converter is specifically engineered for the ZF WG 210 Series transmissions, including models such as WG180, WG200, and WG210. It is also compatible with select WG 211 variants used in construction and agricultural machinery. The unit mounts directly to the 4657201028: HOUS.FRONT SECT and is secured by the 4657201013: HOUSING REAR PART, while the 0631306792: CYLINDRICAL PIN ensures precise alignment during installation. Always verify your transmission serial number before ordering to confirm fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101042 | TRANSMISSION HOUSING | Encloses and supports the torque converter assembly |
| 4657201028 | HOUS.FRONT SECT | Front section housing that mates to the converter |
| 4657201013 | HOUSING REAR PART | Rear housing section providing structural support |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for precise converter positioning |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Locks converter to the input shaft |
| 4657301034 | SCREEN SHEET | Filter screen for hydraulic fluid inlet |
| 4657301035 | SCREEN SHEET | Secondary filter screen for oil return |
| 0636100803 | CAP SCREW | Bolt for torque converter cover plate |
| 4656301048 | OIL FEED.HOUSG. | Oil feed housing directing fluid to the converter |
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