Overview
The ZF 1356.332.014 PLANET SHAFT is a critical load-bearing component engineered for heavy-duty construction machinery transmissions. This OEM genuine part functions as the central pivot within the planetary gear set, transmitting torque from the sun gear to the planetary carriers while withstanding extreme radial and axial stresses. Positioned deep inside the transmission housing, the planet shaft ensures precise gear alignment and smooth power flow during high-torque operations. The SKU 1356.332.014 is manufactured to ZF’s exacting tolerances, guaranteeing a direct fit and long service life in demanding environments such as excavators, wheel loaders, and crawler dozers.
Symptoms of Failure
When the ZF 1356.332.014 planet shaft wears out, operators may notice these distinct failure indicators:
- Gear slipping under load: A worn shaft allows excessive play in the planetary set, causing intermittent torque loss during acceleration or uphill travel.
- Metallic grinding noises: Surface fatigue or scoring on the shaft leads to audible grinding or whining sounds from the transmission, especially in lower gears.
- Contaminated transmission fluid: Flaking metal particles from the shaft’s bearing surfaces mix with the oil, visible as glitter or sludge during routine fluid checks.
- Vibration at idle: Imbalance from a bent or pitted planet shaft transmits vibration through the driveline, felt in the operator cab even when stationary.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 1356.332.014 |
| Overall Length | 142 mm (estimated) |
| Outer Diameter | 32 mm (estimated) |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Surface Hardness | 58–62 HRC |
| Weight | 0.85 kg (1.87 lbs) |
| OEM Reference | ZF 1356.332.014 |
Compatibility
This planet shaft is designed for integration into ZF’s heavy-duty powershift transmission series. Based on its construction and dimensional profile, the 1356.332.014 is compatible with the following ZF transmission models:
- ZF WG180 — Common in wheel loaders and telehandlers
- ZF WG200 — Used in medium-sized excavators and graders
- ZF 4WG-200 — Found in articulated dump trucks and industrial tractors
- ZF 6WG-250 — Applied in large mining loaders and heavy cranes
Always verify the transmission serial number and planetary carrier assembly before installation to ensure correct fitment.
