Overview
This OEM genuine ZF 1316.170.441 CONNECTING PARTS component serves as a critical linkage within the planetary gearset assembly of heavy-duty ZF transmissions. Designed to transfer rotational torque between the clutch pack and the output shaft, this part ensures synchronized engagement during load shifts in construction machinery. The SKU 1316.170.441 is precision-machined to maintain axial alignment under high-stress conditions, directly influencing the transmission’s ability to handle sudden torque spikes without backlash. Without this connecting part, the gear train cannot maintain proper mesh geometry, leading to inefficient power delivery and accelerated wear on adjacent bearings.
Symptoms of Failure
When the 1316.170.441 connecting part deteriorates, operators typically notice these distinct failure indicators:
- Intermittent gear slippage under load: A worn connecting part allows the clutch pack to disengage momentarily when the machine encounters resistance, causing a sudden loss of drive power.
- Metallic grinding noise during gear shifts: As the part’s splines wear, they produce a high-pitched scraping sound, particularly when shifting from forward to reverse in wheel loaders.
- Hydraulic fluid contamination with metallic debris: Fractured edges of the connecting part shed steel particles into the transmission oil, visible as glitter in the fluid sample.
- Delayed engagement after cold starts: Thermal expansion differences between worn and new metal cause the part to bind temporarily, resulting in a 2-3 second lag before the transmission responds.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 1316.170.441 |
| Material | Case-hardened alloy steel (16MnCr5 equivalent) |
| Overall Length | 142.5 mm ± 0.2 mm |
| Spline Diameter | 38.1 mm (1.5 inches) |
| Weight | 1.85 kg (4.08 lbs) |
| Surface Hardness | 58-62 HRC |
| OEM Reference | ZF 1316.170.441 (Genuine) |
Compatibility
This connecting part is engineered for use in ZF’s modular transmission families commonly deployed in construction equipment. It fits the following models:
- ZF WG180 series (used in compact wheel loaders and telehandlers)
- ZF WG200 series (medium-duty excavators and backhoe loaders)
- ZF 4WG-200 powershift transmissions (graders and dozers)
- ZF 6WG-250 heavy-duty transmissions (large articulated dump trucks)
Always verify the transmission serial number against the 1316.170.441 part number before installation. Cross-reference with ZF’s technical bulletin TB-2023-04 for updated spline tolerances.
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