Overview
The ZF 4657.101.051 TRANSMISSION HOUSING is a critical structural component engineered specifically for the WG190, WG210, and WG230 series transmissions. This OEM genuine part serves as the main casing that encloses the gear train, torque converter assembly, and hydraulic control system. Positioned as the central backbone of the transmission, the housing ensures precise alignment of internal shafts and bearings while withstanding extreme torsional loads and thermal expansion. The SKU 4657.101.051 is manufactured to ZF’s exacting tolerances, providing a leak-proof seal and vibration dampening for heavy-duty industrial applications. When paired with the 4657201151: HOUS.FRONT SECT and the 4657201103: HOUSING REAR PART, this housing forms a complete, sealed assembly that protects internal components from contamination.
Symptoms of Failure
- Persistent oil seepage at mating surfaces: Cracks or warping in the housing cause transmission fluid to escape, often visible as drips near the bell housing or rear seal area.
- Abnormal gear engagement noise: A worn housing bore allows shaft misalignment, producing a distinct whining or grinding sound during gear shifts under load.
- Intermittent gear slipping or delayed engagement: Internal stress fractures in the housing can distort valve body mounting points, leading to erratic hydraulic pressure and clutch pack slippage.
- Visible corrosion or pitting around bolt holes: Galvanic corrosion between the aluminum housing and steel fasteners compromises structural integrity, often accompanied by fluid weeping.
Technical Specifications
| Specification | Value |
|---|---|
| OEM Part Number | 4657.101.051 |
| Material | High-strength aluminum alloy (A356-T6) |
| Overall Length | 485 mm |
| Overall Width | 320 mm |
| Overall Height | 275 mm |
| Dry Weight | 14.2 kg |
| Bolt Hole Pattern | 12-point, M10 x 1.5 |
| OEM Reference | ZF 4657.101.051 |
| Max Operating Temperature | 120°C |
Compatibility
This transmission housing is designed for the ZF WG series powershift transmissions. It is directly compatible with the WG190, WG200, WG210, and WG230 models commonly found in construction loaders, forklifts, and agricultural tractors. The housing also fits select WG180 variants with minor adapter modifications. For complete assembly, this part integrates with the 4472239184: HOUSING REAR PART and requires the 0631306816: CYLINDRICAL PIN for precise dowel alignment during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201151 | HOUS.FRONT SECT | Front section of the transmission housing assembly |
| 4657201103 | HOUSING REAR PART | Rear housing section for torque converter support |
| 4472239184 | HOUSING REAR PART | Alternate rear housing variant for WG210 models |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel pin for housing mating surfaces |
| 0636100801 | CAP SCREW | M10 bolt for securing housing sections |
| 4656301148 | FIXING PLATE | Retaining plate for internal bearing preload |
| 4657301032 | SCREEN SHEET | Fine mesh filter for hydraulic circuit |
| 4657301033 | SCREEN SHEET | Coarse mesh pre-filter for oil pickup |
| 0636100803 | CAP SCREW | M12 bolt for heavy-duty flange connections |
| 4681301040 | OIL FEED.HOUSG. | Lubrication oil feed tube assembly |
Frequently Asked Questions
Q: Can the 4657.101.051 housing be used on a WG180 transmission?
A: Yes, with minor modifications. The bolt pattern is identical, but you must verify the rear housing interface using the 4472239184: HOUSING REAR PART for proper alignment.
Q: What torque specification should I use for the cap screws securing this housing?
A: ZF recommends 85 Nm for the 0636100801: CAP SCREW and 110 Nm for the 0636100803: CAP SCREW when fastening the housing to the bell housing.
Q: How do I identify if my housing has internal cracks?
A: Perform a dye penetrant test around all bolt bosses and the oil feed port area. Visible hairline fractures near the 4681301040: OIL FEED.HOUSG. mounting point indicate imminent failure.
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ZF 4657.101.051 TRANSMISSION HOUSING – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.101.051 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 4657.101.051 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657024100
- Documentation reference: 4657024104
- Documentation reference: 4657024105
- Documentation reference: 4657024106
- Illustration section: WG 210
- 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 | 4657.101.051 |
|---|---|
| Normalized SKU | 4657101051 |
| 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
