Overview
The ZF 4168.034.146 CONVERTER Torque Converter Assembly is a critical hydraulic coupling unit designed for the WG 210 Series transmission family. This complete assembly transfers engine torque to the transmission input shaft while multiplying rotational force during low-speed operation. Positioned between the engine flywheel and the transmission housing, the SKU 4168.034.146 integrates a lock-up clutch mechanism to improve fuel efficiency at highway speeds. As a direct replacement unit, it eliminates the need for partial rebuilds, ensuring reliable power delivery in heavy-duty industrial applications.
Symptoms of Failure
- Torque converter shudder or vibration during acceleration, often caused by worn clutch friction material inside the assembly.
- Transmission fluid overheating due to internal stator failure, leading to reduced converter efficiency and potential damage to the TRANSMISSION HOUSING.
- Delayed or harsh gear engagement when shifting from Park to Drive, indicating a failing one-way clutch or impeller damage.
- Visible fluid leaks from the converter hub seal area, often accompanied by low transmission fluid levels and slipping gears.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number | 4168.034.146 |
| Assembly Type | Complete Torque Converter with Lock-Up Clutch |
| Outer Diameter | 340 mm (13.4 in) |
| Overall Length | 185 mm (7.3 in) |
| Weight | 18.5 kg (40.8 lbs) |
| Material | Steel housing with sintered bronze clutch lining |
| OEM Reference | ZF 4168.034.146 |
| Max Torque Capacity | 1,200 Nm (885 lb-ft) |
Compatibility
This torque converter assembly is engineered for the ZF WG 210 Series and is also compatible with WG 180, WG 200, and WG 211 transmission models used in construction, agricultural, and material handling equipment. It directly replaces earlier converter variants in these series without modification. For proper installation, ensure the HOUS.FRONT SECT and HOUSING REAR PART are free from wear. Secure the assembly using the CYLINDRICAL PIN for alignment during mounting.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101037 | TRANSMISSION HOUSING | Encloses and supports gear train and converter assembly |
| 4657201027 | HOUS.FRONT SECT | Front section housing for pump and converter |
| 4657201012 | HOUSING REAR PART | Rear section housing for output shaft and clutches |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for precise housing assembly |
| 0636100801 | CAP SCREW | Fastener for securing housing sections |
| 4656301148 | FIXING PLATE | Retains converter and pump assembly |
| 4657301032 | SCREEN SHEET | Filter screen for transmission fluid inlet |
| 4657301033 | SCREEN SHEET | Secondary filter screen for oil return circuit |
| 0636100803 | CAP SCREW | Bolt for torque converter cover plate |
| 4656301048 | OIL FEED.HOUSG. | Oil feed housing for converter lubrication |
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