Overview
The ZF 4143.315.070 PLANETARY GEAR is a critical power-dividing component engineered for the HL 100 and HL 270 series transmissions. This OEM genuine part sits within the planetary gearset assembly, where it transfers torque from the sun gear to the ring gear while reducing rotational speed. Designed for heavy-duty industrial applications, the 4143.315.070 ensures smooth load distribution across multiple pinions, directly influencing the transmission’s overall efficiency and durability. When rebuilding your ZF unit, this planetary gear must be inspected alongside the 4143298459: REPAIR KIT to guarantee proper sealing and clearance.
Symptoms of Failure
- Intermittent gear slipping under load: A worn planetary gear 4143.315.070 loses tooth engagement, causing the HL 100 or HL 270 to momentarily lose power during acceleration or hill climbs.
- Metallic grinding noise from the transmission housing: Pitting or spalling on the planetary gear teeth produces a distinct, rhythmic grinding sound that intensifies with engine RPM.
- Contaminated oil with metallic debris: As the planetary gear wears, fine steel particles circulate through the lubricant, often visible as glitter in the oil during drain intervals.
- Vibration in neutral or drive: Uneven wear on the planetary gear causes rotational imbalance, transmitting noticeable vibration through the chassis and shift lever.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4143.315.070 |
| Gear Type | Planetary (Helical Cut) |
| Outer Diameter | 145 mm (estimated) |
| Tooth Count | 42 teeth (estimated) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 2.85 kg (estimated) |
| OEM Reference | ZF 4143.315.070 |
| Surface Hardness | 58-62 HRC |
Compatibility
This planetary gear is designed for the ZF HL 100 and HL 270 transmission series, commonly found in forklifts, wheel loaders, and agricultural tractors. Based on its planetary gearset architecture, the 4143.315.070 is also compatible with ZF WG180 and WG200 models that share the same carrier design. For proper installation, always pair this gear with the 4143101022: HOUSING and the 4143301044: HOUSING to maintain correct gear mesh alignment. Additionally, the 0631329135: SPRING PIN is required to secure the planetary gear carrier to the shaft.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143298459 | REPAIR KIT | Contains seals and gaskets for planetary gear installation |
| 4143101022 | HOUSING | Encloses the planetary gearset assembly |
| 4143301044 | HOUSING | Secondary housing for output shaft support |
| 0631329135 | SPRING PIN | Locks planetary gear carrier to shaft |
| 0636302014 | SCREW PLUG | Seals oil passages in the housing |
| 0634801057 | SEALING RING | Prevents oil leakage at housing joints |
| 4143301053 | CONNECTING PART | Links planetary gear to output flange |
| 0636100600 | CAP SCREW | Fastens housing to transmission case |
| 0636101024 | CAP SCREW | Secures planetary gear cover plate |
| 0730365159 | TYPE PLATE | Identification label for transmission model |
ZF 4143.315.070 PLANETARY GEAR – Gear RFQ Support
Use ZF 4143.315.070 PLANETARY GEAR as the reference when requesting gear support. Photos, visible markings, and transmission context help reduce sourcing uncertainty.
Part-Number Summary
Use ZF number 4143.315.070 when sending your RFQ. PartsZF can review dotted, spaced, and compact number formats against the available product and documentation records.
Application Context
This gear supports gear train repair, rebuild, and part-number matching work. Send machine, transmission, or removed-part evidence with your RFQ for faster review.
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 | 4143.315.070 |
|---|---|
| Normalized SKU | 4143315070 |
| Part name | PLANETARY GEAR |
| 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
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- 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
