Overview
The ZF 4657.101.039 TRANSMISSION HOUSING is a critical structural component engineered specifically for the WG190 and WG210 series of heavy-duty automatic transmissions. This OEM genuine part serves as the central casing that encloses the torque converter, planetary gear sets, and hydraulic valve body, ensuring precise alignment and protection from contaminants. As the main load-bearing shell, it maintains the integrity of the entire drivetrain assembly under extreme torque loads. The SKU 4657.101.039 is manufactured to ZF’s original specifications, guaranteeing a direct fit and long service life in demanding industrial applications such as construction equipment, municipal vehicles, and material handlers.
Symptoms of Failure
- External oil seepage at mating surfaces: When the housing warps or develops micro-fractures, transmission fluid leaks from the joint between the housing and the HOUS.FRONT SECT, leading to low fluid levels and eventual gear slipping.
- Abnormal gear engagement noise: A cracked or distorted housing allows the internal shafts to misalign, producing a distinct grinding or whining sound during shifts, particularly under load.
- Persistent overheating of the transmission: Structural failure of the housing can obstruct oil flow channels, causing inadequate lubrication and thermal runaway in the WG190/WG210 series.
- Vibration during acceleration: Loss of rigidity in the housing permits excessive flex, transferring vibration through the chassis and indicating imminent catastrophic failure.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 4657.101.039 |
| 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 |
| OEM Reference | ZF 4657.101.039 |
| Bolt Hole Pattern | 12-point, M12 x 1.5 |
| Sealing Surface Finish | Ra 0.8 µm |
Compatibility
This transmission housing is designed for the ZF WG190 and WG210 series, which are commonly found in off-highway vehicles and heavy trucks. It is also compatible with the closely related WG180 and WG200 models, as these share the same bell-housing bolt pattern and internal bearing supports. For a complete assembly, this housing must be paired with the HOUSING REAR PART to form the full casing. Always verify the serial number of your transmission before ordering to ensure correct fitment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4657201028 | HOUS.FRONT SECT | Front section of the transmission housing, mates directly to 4657.101.039 |
| 4657201013 | HOUSING REAR PART | Rear casing section that encloses the output shaft assembly |
| 0631306792 | CYLINDRICAL PIN | Alignment pin for precise housing-to-housing positioning |
| 0636100801 | CAP SCREW | High-tensile bolt for securing housing sections |
| 4656301148 | FIXING PLATE | Retains internal components within the housing cavity |
| 4657301034 | SCREEN SHEET | Fine mesh filter for the hydraulic oil circuit |
| 4657301035 | SCREEN SHEET | Secondary filter screen for high-pressure oil passages |
| 0636100803 | CAP SCREW | Additional bolt for the rear housing attachment |
| 4681301040 | OIL FEED.HOUSG. | Distributes pressurized oil to the clutch packs |
| 4656301023 | GASKET | Sealing gasket between housing sections |
Frequently Asked Questions
Q: Can the 4657.101.039 housing be repaired if it has a small crack?
A: No. ZF does not recommend welding or repairing this housing due to the risk of warping and stress fractures. Replacement with an OEM genuine part is the only safe solution for maintaining transmission integrity.
Q: What is the typical service life of this housing in a WG210 transmission?
A: Under normal operating conditions and with proper fluid maintenance, the housing can last the lifetime of the transmission. However, impact damage or severe overheating can necessitate replacement after 8,000–10,000 hours of operation.
Q: Do I need to replace the CYLINDRICAL PIN and CAP SCREW when installing this housing?
A: Yes. ZF recommends always installing new alignment pins and cap screws to ensure proper clamping force and prevent future loosening due to thread fatigue.
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Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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ZF 4657.101.039 TRANSMISSION HOUSING – Housing RFQ Support
PartsZF helps B2B buyers source ZF 4657.101.039 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 4657.101.039 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Documentation reference: 4657023001
- Documentation reference: 4657023004
- Documentation reference: 4657054033
- Documentation reference: 4657054076
- 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 | 4657.101.039 |
|---|---|
| Normalized SKU | 4657101039 |
| Part name | TRANSMISSION HOUSING |
| Product category | housing |
| Cross-reference support | Available for RFQ review |
Image and Documentation Notes
Current product media status: diagram. 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
