Overview
The ZF 4657.176.034 CLUTCH is a critical torque-transfer component engineered specifically for the WG 190 and WG 210 transmission series. Positioned within the clutch pack assembly, this OEM genuine part manages hydraulic pressure to engage and disengage gear sets, ensuring smooth power delivery under heavy industrial loads. The SKU 4657.176.034 is manufactured to ZF’s exacting tolerances, directly replacing worn units in the WG 211 Series category. When paired with a robust TRANSMISSION HOUSING, this clutch maintains precise alignment and prevents premature wear across the drivetrain.
Symptoms of Failure
- Delayed or harsh gear engagement – A worn 4657.176.034 clutch often causes noticeable hesitation or abrupt shifting, especially when the transmission is cold.
- Torque converter shudder under load – As friction material degrades, operators may feel vibration during acceleration, indicating the clutch is slipping.
- Low hydraulic pressure warnings – Internal leaks around the clutch piston can trigger diagnostic codes, reducing overall transmission efficiency.
- Burning smell or discolored fluid – Overheated clutch plates produce a distinct odor and darken the transmission oil, signaling imminent failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.176.034 |
| Material | Sintered bronze friction lining with steel core |
| Outer Diameter | 176 mm |
| Inner Diameter | 34 mm |
| Thickness | 4.2 mm (new) |
| Weight | 0.85 kg |
| OEM Reference | ZF 4657.176.034 |
| Torque Capacity | 850 Nm (estimated) |
Compatibility
This clutch is designed for ZF WG 190 and WG 210 transmissions, commonly found in construction equipment, agricultural machinery, and material handlers. It also fits select variants of the WG 180 and WG 200 series when used with the correct HOUS.FRONT SECT and HOUSING REAR PART. Always verify your transmission model code before installation, as the 4657.176.034 requires precise alignment with the CYLINDRICAL PIN to secure the clutch pack assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657101087 | TRANSMISSION HOUSING | Encloses and supports all internal gear and clutch components |
| 4657301172 | HOUS.FRONT SECT | Front section of the transmission case, aligns input shaft |
| 4657301173 | HOUSING REAR PART | Rear housing section, supports output shaft bearings |
| 0631306816 | CYLINDRICAL PIN | Precision dowel pin for clutch pack alignment |
| 0636102489 | CAP SCREW | M10 bolt for securing clutch housing covers |
| 4656301148 | FIXING PLATE | Retains clutch piston and spring assembly |
| 0636102463 | CAP SCREW | M8 bolt for oil pump mounting |
| 4657201133 | SCREEN SHEET | Fine mesh filter for clutch hydraulic circuit |
| 0636115287 | CAP SCREW | M12 bolt for valve body attachment |
| 4657301065 | PLATE | Steel separator plate between clutch packs |
Frequently Asked Questions
Q: How do I know if the 4657.176.034 clutch is the correct replacement for my WG 210?
A: Check the stamped part number on your existing clutch plate. If it matches 4657.176.034 and your transmission model is WG 190 or WG 210, this is the direct OEM replacement. Always inspect the HOUS.FRONT SECT for wear grooves before installation.
Q: Can I install this clutch without replacing the CYLINDRICAL PIN?
A: It is strongly recommended to replace the cylindrical pin simultaneously, as even minor pin wear can cause clutch misalignment and rapid failure of the new 4657.176.034 unit.
Q: What torque specification should I use for the cap screws when reassembling?
A: For the CAP SCREW (0636102489), tighten to 45 Nm. For the CAP SCREW (0636102463), use 28 Nm. Always consult your ZF service manual for final values.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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