Overview
The ZF 4166.034.184 CONVERTER Torque Converter Assembly is a complete, factory-matched unit engineered to transfer and multiply engine torque within ZF powershift transmissions. Positioned between the engine flywheel and the transmission input shaft, this hydraulic coupling uses stator and turbine assemblies to provide smooth power delivery under heavy loads. The SKU 4166.034.184 replaces worn or failed converters to restore driveline efficiency and prevent overheating. When servicing this assembly, always inspect the 4656101028: TRANSMISSION HOUSING for cracks or warping, as misalignment can damage the new converter.
Symptoms of Failure
- Torque converter shudder or vibration during acceleration — Worn stator bearings or damaged clutch friction surfaces cause noticeable shaking, especially when shifting from first to second gear.
- Delayed engagement or transmission slipping under load — Internal seal degradation leads to low stall speed and inadequate hydraulic pressure, making the vehicle feel sluggish on inclines.
- Dark, burnt transmission fluid with metallic particles — Excessive heat from a failing converter produces a burnt odor and visible debris in the fluid, often accompanied by erratic shifting.
- Oil leaks near the bell housing or converter drain plug — Failed front pump seals or cracked converter hub surfaces allow fluid to escape, leaving puddles under the drivetrain.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4166.034.184 |
| OEM Reference | ZF 4166 034 184 |
| Overall Diameter | ~340 mm (13.4 in) |
| Overall Length | ~180 mm (7.1 in) |
| Weight | ~18.5 kg (40.8 lbs) |
| Material | High-strength steel housing, aluminum turbine & stator |
| Stall Torque Ratio | 2.0:1 (typical) |
| Fluid Capacity | ~3.5 liters (0.92 gal) |
Compatibility
This torque converter assembly is designed for ZF WG 171, WG 210, WG 211, and WG 230 series powershift transmissions commonly found in construction, agricultural, and material handling equipment. It also fits select WG 180 and WG 200 variants when paired with the correct 4656301066: HOUS.FRONT SECT and 4656201015: SCREEN SHEET. Always verify the transmission serial number and bell housing pattern before installation. The converter interfaces directly with the 4656301037: TUBE for lubrication flow; a blocked tube will starve the converter of oil.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656101028 | TRANSMISSION HOUSING | Encloses gear train and supports converter assembly |
| 4656301066 | HOUS.FRONT SECT | Front section housing for pump and converter |
| 4656201015 | SCREEN SHEET | Filter screen protecting converter from debris |
| 4656301037 | TUBE | Lubrication tube directing oil to converter |
| 0634313514 | O-RING | Seals converter-to-housing joint |
| 0636100803 | CAP SCREW | Fastens housing sections |
| 4656301042 | HOUSING REAR PART | Rear housing section for output shaft support |
| 0631306816 | CYLINDRICAL PIN | Alignment pin for housing assembly |
| 0636100801 | CAP SCREW | Mounting bolt for converter cover |
| 0636100160 | CAP SCREW | Fastener for pump housing |
Frequently Asked Questions
Q: Can I install the 4166.034.184 converter without replacing the transmission housing?
A: Yes, but only if the housing is free of cracks and the bearing bores are within spec. We strongly recommend pairing this converter with a new 4656101028: TRANSMISSION HOUSING if the original shows any scoring or wear.
Q: What is the typical lifespan of this torque converter in a WG 210 series transmission?
A: Under normal operating conditions with proper fluid maintenance, the 4166.034.184 can last 6,000–8,000 hours. Contaminated fluid or a clogged 4656201015: SCREEN SHEET will drastically reduce service life.
Q: Does this converter come with the O-ring and cap screws needed for installation?
A: No, the converter is supplied as a complete unit only. You will need to order the 0634313514: O-RING and 0636100803: CAP SCREW separately to ensure a leak-free seal.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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