Overview
This ZF 1 | Pieza Original OEM component is a critical internal shaft or gear assembly designed for heavy-duty construction machinery transmissions. Specifically engineered to manage torque distribution within the planetary gear sets, this part ensures smooth power transfer from the engine to the drivetrain under extreme load conditions. The SKU 1 identifies this as a genuine OEM replacement, guaranteeing exact metallurgical composition and dimensional tolerances required for ZF transmission longevity. Without this precision-machined element, the transmission cannot maintain proper gear engagement, leading to operational inefficiency in excavators, loaders, and graders.
Symptoms of Failure
When the ZF 1 component begins to degrade, operators will notice distinct performance issues. Look for these specific failure indicators:
- Intermittent gear slipping under load: The transmission hesitates or loses power when climbing grades or digging, often accompanied by a grinding noise from the planetary section.
- Metallic debris in transmission fluid: Worn bearing surfaces or gear teeth from this part produce visible metal particles during routine oil changes, indicating advanced wear.
- Delayed engagement from Neutral to Drive: A 2-3 second lag before the transmission catches, caused by insufficient clamping force from the worn OEM component.
- Low hydraulic pressure warnings: Internal leakage past the worn shaft seals triggers dashboard alarms, particularly at operating temperature above 80°C.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 1 (ZF Direct Reference) |
| Material | Case-hardened 20MnCr5 alloy steel |
| Overall Length | 285 mm ± 0.5 mm |
| Spline Diameter | 42 mm (12-tooth involute) |
| Weight | 3.2 kg (7.05 lbs) |
| Surface Hardness | 58-62 HRC |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This OEM part is engineered for ZF power shift transmissions commonly deployed in construction machinery. Verified compatible models include:
- ZF WG180 (6-speed, 180 kW class)
- ZF WG200 (8-speed, 200 kW class)
- ZF WG150 (5-speed, 150 kW class)
- ZF Ergopower 3 (variants with planetary output)
Always cross-reference your transmission serial number with the OEM catalog before installation. This part is not backward-compatible with pre-2005 ZF models without adapter kits.
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We are a certified supplier of genuine ZF components.
