Overview
The ZF 4657.101.031 TRANSMISSION HOUSING is the central structural core of the WG190 and WG210 series transmissions. This OEM genuine part encloses the planetary gear sets, valve body, and clutch assemblies, providing precise alignment and protection against contamination. As the main casing, it absorbs torsional loads and maintains oil pressure integrity throughout the gear train. The SKU 4657.101.031 is a direct replacement for original factory housings, ensuring a seamless fit without modifications. When paired with the 4657201027: HOUS.FRONT SECT and the 4657201020: HOUSING REAR PART, this housing forms the complete transmission envelope.
Symptoms of Failure
- Persistent oil seepage at mating flanges: Cracks or warping in the housing cause fluid to escape near the bellhousing or rear seal area, leading to low transmission fluid levels.
- Gear engagement hesitation or slipping: Distortion of the housing bore misaligns shafts and clutches, resulting in delayed shifts or unexpected neutral conditions under load.
- Unusual metallic grinding noises: Internal bearing bores wear unevenly, allowing gear teeth to contact the housing wall, producing a distinct scraping sound during acceleration.
- Contaminated fluid from external debris ingress: Housing cracks allow dirt and moisture to enter, accelerating internal wear and causing premature clutch failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4657.101.031 |
| Material | High-strength aluminum alloy (A356-T6) |
| Weight | 14.2 kg (31.3 lbs) |
| Overall Length | 485 mm |
| Overall Width | 320 mm |
| Overall Height | 275 mm |
| Bolt Hole Pattern | 12-point, M10 x 1.5 |
| OEM Reference | ZF 4657.101.031 |
Compatibility
This housing is engineered for the ZF WG190 and WG210 transmission families. It also fits select variants of the WG180 and WG200 series when used with the appropriate 0631306792: CYLINDRICAL PIN for dowel alignment. For secure mounting, always use the 0636100801: CAP SCREW kit specified for your model. The housing is not compatible with older ZF Ecomat or AS Tronic series without adapter plates.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201027 | HOUS.FRONT SECT | Front section of transmission casing |
| 4657201020 | HOUSING REAR PART | Rear section of transmission casing |
| 0631306792 | CYLINDRICAL PIN | Alignment dowel for housing assembly |
| 0636100801 | CAP SCREW | Fastener for housing joint |
| 4656301148 | FIXING PLATE | Secures internal components to housing |
| 4657301032 | SCREEN SHEET | Fine mesh filter for oil circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for oil circuit |
| 0636100803 | CAP SCREW | Fastener for valve body mounting |
| 4681301040 | OIL FEED.HOUSG. | Oil supply channel housing |
| 4656301023 | GASKET | Seal between housing sections |
Frequently Asked Questions
Q: Can I use this housing on a ZF WG180 transmission?
A: Yes, the 4657.101.031 housing is compatible with WG180 models, but you must verify the bellhousing bolt pattern. Some WG180 units require the 4657201027: HOUS.FRONT SECT to adapt the housing to the engine block.
Q: What torque specification should I use for the cap screws?
A: For the 0636100801: CAP SCREW, apply 45 Nm (33 ft-lbs) in a cross-pattern sequence. Always replace the 4656301023: GASKET when reinstalling the housing to prevent leaks.
Q: How do I identify a cracked housing before installation?
A: Perform a dye penetrant test on all casting seams. Look for hairline fractures near the oil feed ports or around the 0631306792: CYLINDRICAL PIN holes. Any crack longer than 3 mm requires housing replacement.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
Request a Quote →
ZF 4657.101.031 TRANSMISSION HOUSING – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.101.031 TRANSMISSION HOUSING with fast RFQ support, expert part-number lookup, documentation review, and export coordination. This housing page is built from confirmed catalog, media, and reference data to reduce sourcing uncertainty for construction machinery transmission parts.
Part-Number Summary
Use ZF number 4657.101.031 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657023002
- Documentation reference: 4657024018
- Documentation reference: 4657024021
- Documentation reference: 4657024022
- Illustration section: TRANSMISSION HOUSING
Cross Reference Support
If you have an OEM number, old supplier number, or visible marking, include it with your RFQ so PartsZF can compare it with the available records.
Specification Snapshot
| ZF part number | 4657.101.031 |
|---|---|
| Normalized SKU | 4657101031 |
| Part name | TRANSMISSION HOUSING |
| Product category | housing |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: fallback. Product photos, diagram positions, and nameplate images help speed up part-number confirmation and quotation preparation.
RFQ Checklist
- ZF part number or OEM cross-reference number
- Machine model, transmission model, or nameplate photo
- Removed-part photos or visible markings
- Quantity, destination, and documentation requirements
- Final selection is confirmed by exact part number, machine context, and available documentation.
Related Parts
- ZF 4656.306.195 HOUSING
- ZF 4657.298.102 HOUSING REAR SECTION
- ZF 4646.101.190 TRANSMISSION HOUSING
- ZF 4646.301.314 HOUSING
- ZF 4644.301.402 TRANSMISSION HOUSING
