Overview
The ZF 4616.164.015 SHIFT SYSTEM is a genuine OEM component engineered specifically for the WG 65 Series transmission family. This precision-machined assembly governs the hydraulic selection of forward and reverse gears, translating driver commands into smooth, reliable shifts. Positioned directly within the valve body and interacting with the OUTPUT shaft assembly, the shift system ensures consistent pressure modulation during load changes. The SKU 4616.164.015 is the exact OEM reference for this critical control unit, guaranteeing factory-spec fitment and performance.
Symptoms of Failure
- Delayed or harsh gear engagement: When the shift system wears, you may experience a noticeable lag or a jarring clunk when moving from neutral into drive or reverse.
- Intermittent gear slipping under load: A failing shift system can cause the transmission to momentarily lose power delivery, especially during uphill climbs or heavy hauling.
- Hydraulic fluid contamination or leaks: Degraded seals within the shift system allow ATF to bypass, leading to low fluid levels and visible drips near the OUTPUT FLANGE area.
- Erratic shift patterns: The transmission may skip gears or hold a gear too long, often accompanied by a whining noise from the TRANSMISSION HOUSING.
Technical Specifications
| Parameter | Specification |
|---|---|
| OEM Part Number | 4616.164.015 |
| Material | High-strength aluminum alloy with hardened steel spools |
| Weight | 1.8 kg (approx.) |
| Dimensions (L x W x H) | 210 mm x 120 mm x 85 mm |
| Seal Type | Nitrile rubber O-rings |
| Operating Pressure | 12–18 bar |
| OEM Reference | 4616.164.015 (ZF genuine) |
| Fastener Torque | 25 Nm (use HEXAGON SCREW 0636011038) |
Compatibility
This shift system is designed for the WG 65 Series transmission, but it also fits select models in the broader ZF WG family. Compatible transmissions include the WG65, WG120, WG180, and WG200 series. Always verify your transmission’s serial number against the 4616.164.015 part number. For installations requiring additional fasteners, use the HEXAGON SCREW 0636016015 and the CYLINDRICAL PIN 0631306085 to secure the shift system to the valve body.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4616105413 | OUTPUT | Transfers torque from the transmission to the driveline |
| 4616203017 | OUTPUT FLANGE | Connects the output shaft to the driveshaft |
| 4616101117 | TRANSMISSION HOUSING | Encloses and protects internal gear sets |
| 0636011038 | HEXAGON SCREW | Secures shift system to valve body |
| 0636016015 | HEXAGON SCREW | Mounting bolt for output flange |
| 0631306085 | CYLINDRICAL PIN | Alignment pin for shift system assembly |
| 0634313118 | O-RING | Seals shift system hydraulic ports |
| 0732611049 | FILTER INSERT | Traps debris in the hydraulic circuit |
| 0634303718 | O-RING | Seals the output flange connection |
| 0636610082 | STUD | Threaded rod for housing attachment |
ZF 4616.164.015 SHIFT SYSTEM – Shift System RFQ Support
PartsZF supports ZF 4616.164.015 SHIFT SYSTEM RFQs by checking the part number, related documentation, and buyer-supplied transmission context before quotation.
Part-Number Summary
Use ZF number 4616.164.015 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: SHIFT SYSTEM
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 | 4616.164.015 |
|---|---|
| Normalized SKU | 4616164015 |
| Part name | SHIFT SYSTEM |
| Product category | shift system |
| RFQ support | Part-number lookup and documentation review |
| Media support | Product photo or diagram review when available |
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
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- ZF 4651.106.023 SHIFT SYSTEM
- ZF 2095.106.017 SHIFT SYSTEM
- ZF 4644.159.303 SHIFT SYSTEM
