Overview
The ZF 4681.084.002 4 BP 230 BASICPOWER Transmission Assembly is a complete, factory-matched unit designed for heavy-duty commercial and industrial drivetrains. This assembly integrates the core hydraulic and mechanical components of the BP 230 series, serving as the primary power transfer module within the transmission housing. As a complete unit, the SKU 4681.084.002 replaces the need to source individual internal components, ensuring precise alignment and OEM-specified clearances. It is engineered to work in concert with the TRANSMISSION HOUSING and the HOUS.FRONT SECT to form a sealed, high-torque-capable assembly.
Symptoms of Failure
When the ZF 4681.084.002 assembly begins to fail, operators typically notice three distinct performance issues. Erratic gear engagement or delayed shifting is a primary indicator, often caused by internal seal degradation within the unit. Torque converter shudder under load is another common symptom, signaling worn clutch packs or valve body wear. Finally, chronic transmission fluid overheating accompanied by metallic particles in the oil pan points to internal bearing or planetary gear failure within this assembly. Addressing these symptoms early prevents catastrophic damage to the HOUSING REAR PART and the HOUSING REAR SECTION.
Technical Specifications
| Specification | Detail |
|---|---|
| Part Number / SKU | 4681.084.002 |
| Assembly Type | Complete Unit (4 BP 230 BASICPOWER) |
| OEM Reference | ZF 4681 084 002 |
| Estimated Weight | 42 kg (92.6 lbs) |
| Primary Material | High-strength aluminum alloy with steel internals |
| Torque Capacity | Up to 2300 Nm (estimated for BP 230 series) |
| Seal Type | Viton / PTFE composite |
Compatibility
This complete unit is specifically designed for the ZF BP 230 series of powershift transmissions. It is a direct fit for models including the WG180, WG200, and WG230 series used in construction, mining, and agricultural vehicles. The assembly is also compatible with select 4 BP 230 variants where the original unit is designated as a BASICPOWER configuration. Always verify your transmission model tag against the SKU 4681.084.002 before installation.
Related Components
The following parts are commonly replaced or inspected alongside the 4681.084.002 assembly to ensure a complete rebuild:
| Part Number | Name | Function |
|---|---|---|
| 4657101078 | TRANSMISSION HOUSING | Main structural casing for gear sets |
| 4657201166 | HOUS.FRONT SECT | Front section housing for input shaft |
| 4657201168 | HOUSING REAR PART | Rear casing for output bearing support |
| 4657298101 | HOUSING REAR SECTION | End cover for rear clutch pack access |
| 0631306816 | CYLINDRICAL PIN | Alignment dowel for housing mating |
| 0636100801 | CAP SCREW | Fastener for front housing section |
| 4656301148 | FIXING PLATE | Retainer for internal oil pump |
| 4657301032 | SCREEN SHEET | Fine mesh filter for valve body |
| 4657301033 | SCREEN SHEET | Coarse mesh filter for sump return |
| 0636100803 | CAP SCREW | Fastener for rear housing section |
Frequently Asked Questions
Q: Can the 4681.084.002 be installed without replacing the transmission housing?
A: Yes, but it is strongly recommended to inspect the TRANSMISSION HOUSING for cracks or wear at the mating surfaces. The assembly is designed to drop into a clean, undamaged housing.
Q: What is the typical service life of this complete unit?
A: Under normal operating conditions with proper fluid maintenance, the 4681.084.002 assembly typically lasts 8,000 to 12,000 hours before requiring replacement of internal seals and clutches.
Q: Does this part include the torque converter?
A: No. This is the complete transmission assembly (4 BP 230 BASICPOWER) but does not include the external torque converter. The torque converter mounts to the HOUS.FRONT SECT separately.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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