Overview
The ZF 4656.101.062 is a critical OEM genuine component engineered specifically for the WG 160 Series transmission. This precision-machined part functions as a structural interface within the gearbox housing assembly, ensuring correct alignment of internal rotating elements and maintaining oil sealing integrity. As an original ZF part, SKU 4656.101.062 guarantees exact fitment and material consistency required for heavy-duty commercial vehicle applications. It is typically positioned between the front and rear housing sections, acting as a load-bearing spacer that absorbs torsional stresses during gear changes.
Symptoms of Failure
When the ZF 4656.101.062 begins to wear, operators may notice oil seepage at the housing joint line due to compromised sealing surfaces. A second common failure symptom is abnormal gear engagement noise during low-speed maneuvers, often described as a metallic clunking sound. Technicians frequently report increased transmission vibration at highway speeds, which can accelerate wear on adjacent bearings. In advanced cases, intermittent gear slippage under load occurs as housing alignment shifts, leading to premature clutch pack failure.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4656.101.062 |
| Material | High-grade aluminum alloy (EN AC-42100) |
| Weight | 1.85 kg (4.08 lbs) |
| Length | 142 mm |
| Width | 98 mm |
| Height | 55 mm |
| Bolt Hole Pattern | 6x M10 x 1.5, 120° spacing |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This genuine ZF part is primarily designed for the WG 160 Series transmission family. It is also compatible with the WG 180 and WG 200 series models that share the same housing architecture. The 4656.101.062 can be used in ZF WG 160, ZF WG 180, and ZF WG 200 transmissions found in MAN, Mercedes-Benz, and Volvo heavy trucks. Always verify housing casting numbers before installation.
During installation, this component interfaces directly with the 4656201080: HOUS.FRONT SECT and the 4656201077: HOUSING REAR PART. For complete assembly, the 4656298049: HOUSING REAR SECTION must be aligned using the 0631306816: CYLINDRICAL PIN for precise dowel alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4656201080 | HOUS.FRONT SECT | Front housing section providing bearing support |
| 4656201077 | HOUSING REAR PART | Rear housing section for output shaft |
| 4656298049 | HOUSING REAR SECTION | Complete rear housing assembly |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 4656301148 | FIXING PLATE | Secures oil feed components |
| 0636100817 | CAP SCREW | M10 bolt for housing fastening |
| 4656301016 | SCREEN SHEET | Fine mesh oil filter screen |
| 4656301017 | SCREEN SHEET | Coarse mesh oil filter screen |
| 0636100803 | CAP SCREW | M8 bolt for accessory mounting |
| 0750301003 | OIL FEED.HOUSG. | Oil supply housing for lubrication |
Frequently Asked Questions
Q: Can the 4656.101.062 be installed without replacing the housing gasket?
A: No. ZF recommends always replacing the housing gasket and cleaning both mating surfaces when installing this part. Reusing old gaskets can lead to oil leaks and misalignment.
Q: What torque specification is required for the bolts securing this part?
A: The six M10 bolts should be torqued to 45 Nm (33 ft-lbs) in a star pattern, followed by a 90-degree angle turn. Always consult the ZF service manual for your specific transmission model.
Q: Is this part interchangeable between WG160 and WG180 transmissions?
A: Yes, the 4656.101.062 is physically identical across WG160, WG180, and WG200 series. However, verify that the housing casting numbers match your transmission’s serial number range to ensure correct oil port alignment.
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Phone: +86 158 2286 3467 |
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