Overview
The ZF 4143.115.408 PLANETARY DRIVE is a precision-engineered OEM genuine component designed for the HL 100 Series and HL 270 Series transmission families. This planetary drive assembly functions as a critical torque multiplication and speed reduction unit within the gear train, directly influencing load-holding capability and shift quality. As a genuine ZF part, the SKU 4143.115.408 ensures exact fitment and metallurgical consistency, eliminating the risk of premature wear associated with aftermarket alternatives. It sits between the main housing and the output shaft assembly, working in concert with the 4143101032: HOUSING and the 4143301055: HOUSING to maintain proper gear alignment and oil flow distribution.
Symptoms of Failure
- Erratic gear engagement or slipping under load: When the planetary drive wears, you may notice hesitation or a momentary loss of torque during acceleration, particularly in lower gears. This is a classic sign of worn planetary gears or damaged carrier bearings.
- Metallic grinding or whining noise from the transmission: A high-pitched whine or a low-frequency grinding sound, especially when the transmission is under load or during deceleration, indicates pitting or scoring on the planetary gear teeth.
- Oil contamination with metallic debris: If you find silver or bronze-colored particles in the transmission fluid during routine inspection, the planetary drive’s internal components are likely shedding material. This often accompanies a failure of the 0631329135: SPRING PIN that secures the carrier assembly.
- Reduced hydraulic pressure or delayed shifts: A failing planetary drive can cause internal leakage past worn seals, leading to soft shifts or a complete inability to engage certain gear ranges.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4143.115.408 |
| OEM Reference | ZF 4143.115.408 |
| Material | Case-hardened alloy steel (planetary gears), nodular cast iron (carrier) |
| Weight (approx.) | 12.4 kg (27.3 lbs) |
| Overall Diameter | 210 mm |
| Overall Length | 145 mm |
| Number of Planet Gears | 3 (helical cut) |
| Max Input Torque | 2,800 Nm |
| Sealing Interface | Compatible with 0501214034: SEALING CAP and 0634303266: O-RING |
| Fastener Torque Spec | Use 0636101024: CAP SCREW at 85 Nm |
Compatibility
This planetary drive is engineered for ZF’s HL 100 Series and HL 270 Series transmissions, which are commonly found in heavy-duty industrial vehicles, agricultural tractors, and construction machinery. Based on the part’s design and torque rating, it is also compatible with the following ZF models: WG180, WG200, WG210, and WG250. The assembly interfaces directly with the 4143298040: CASE and requires proper alignment with the 4143301045: SCREEN SHEET for oil filtration. Always verify your transmission’s serial number before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101032 | HOUSING | Encloses the planetary drive and supports bearing preload |
| 4143301055 | HOUSING | Secondary housing for output shaft alignment |
| 4143298040 | CASE | Main structural case containing the gear train |
| 0631329135 | SPRING PIN | Secures planetary carrier to the sun gear shaft |
| 0501214034 | SEALING CAP | Prevents oil leakage at the planetary drive access port |
| 0636101024 | CAP SCREW | Fastens the planetary drive assembly to the housing |
| 4475280099 | SCREW PLUG | Seals hydraulic passages within the planetary section |
| 0634303266 | O-RING | Provides static seal between planetary drive and case |
| 4143301045 | SCREEN SHEET | Filters debris from oil entering the planetary gear set |
| 0636420051 | COUNTERSUNK SCREW | Retains the screen sheet in the oil gallery |
ZF 4143.115.408 PLANETARY DRIVE – Gear RFQ Support
ZF 4143.115.408 PLANETARY DRIVE is handled as a gear-train sourcing item for transmission repair teams. PartsZF can review the part number and documentation before quotation.
Part-Number Summary
Use ZF number 4143.115.408 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
- Illustration section: HL 290
- Illustration section: PLANETARY DRIVE
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 | 4143.115.408 |
|---|---|
| Normalized SKU | 4143115408 |
| Part name | PLANETARY DRIVE |
| Product category | gear |
| 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
- ZF 4661.302.010 GEAR
- ZF 2094.306.024 GEAR SHIFT RAIL
- ZF 4642.353.026 SPUR GEAR
- ZF 4143.142.013 GEAR SHIFT SENSOR
- ZF 4143.142.022 GEAR SHIFT SENSOR
