Overview
The ZF 4143.103.401 OUTPUT is a precision-engineered OEM genuine component designed for the output section of ZF’s HL 100 and HL 270 series transmissions. This part serves as the primary interface between the transmission housing and the driveline, ensuring torque is transferred smoothly from the gearset to the output shaft. As a critical load-bearing element, the 4143.103.401 OUTPUT works in conjunction with the 4143101009 HOUSING and the 4143301025 HOUSING to maintain structural integrity under high-stress industrial applications. The SKU 4143.103.401 is manufactured to ZF’s original specifications, guaranteeing a direct fit and long service life in heavy-duty machinery.
Symptoms of Failure
When the ZF 4143.103.401 OUTPUT begins to wear, operators may notice several distinct failure indicators. Oil leakage around the output seal area is a common early sign, often caused by degradation of the mating surfaces. Gear slipping or erratic power delivery during load changes can occur if the output component loses its precise alignment. Unusual vibration or whining noises from the transmission housing typically indicate bearing surface wear on the output assembly. Additionally, difficulty engaging or disengaging the PTO may point to output shaft play, which accelerates damage to the 0634313603 O-RING and the 4475280018 SCREW PLUG.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4143.103.401 |
| OEM Reference | ZF 4143.103.401 |
| Material | Hardened alloy steel |
| Weight | 1.85 kg (approx.) |
| Outer Diameter | 95 mm |
| Inner Diameter | 45 mm |
| Height | 38 mm |
| Seal Type | Integrated lip seal |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
The ZF 4143.103.401 OUTPUT is engineered for use in the HL 100 and HL 270 series transmissions, which are commonly found in forklifts, telehandlers, and industrial loaders. Based on its design and mounting configuration, this part is also compatible with ZF models such as the WG180, WG200, and WG210 series when used in output shaft assemblies. For optimal performance, always pair this output component with the 0501342341 SUPPORT RING and the 4143298457 SEAL KIT to prevent premature wear. Additional supporting parts like the 0634313591 O-RING and the 0636101068 CAP SCREW are often replaced simultaneously during output assembly overhauls.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4143101009 | HOUSING | Encloses the output shaft assembly |
| 4143301025 | HOUSING | Secondary housing for bearing support |
| 0634313603 | O-RING | Seals the output housing interface |
| 4475280018 | SCREW PLUG | Secures oil passages in the output area |
| 0501342341 | SUPPORT RING | Reinforces the output shaft alignment |
| 4143298457 | SEAL KIT | Contains all seals for output rebuild |
| 0634313591 | O-RING | Seals the throttle valve bore |
| 0636101068 | CAP SCREW | Fastens the output housing cover |
| 4143221013 | THROTTLE VALVE | Controls hydraulic flow to the output clutch |
| 0634304484 | O-RING | Seals the cap screw connection |
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