Overview
This genuine ZF 4681.084.014 4 BP 230 BASICPOWER Transmission Assembly represents a complete, ready-to-install unit engineered for medium-duty driveline applications. As a fully assembled drop-in replacement, it integrates the torque converter, planetary gear sets, and hydraulic control module into a single sealed housing. The SKU 4681.084.014 is specifically designed to deliver the robust power flow and shift quality expected from the BP 230 series, making it a critical component for maintaining operational uptime in municipal trucks, refuse vehicles, and construction equipment. This assembly eliminates the need for piecemeal rebuilding, offering a direct exchange solution that restores factory-spec performance.
Symptoms of Failure
When the ZF 4681.084.014 assembly begins to degrade, operators often notice distinct operational issues. Recognizing these early warning signs can prevent catastrophic driveline damage and costly roadside breakdowns.
- Delayed or Harsh Engagement: A noticeable pause or a hard “clunk” when shifting from Neutral to Drive or Reverse indicates internal hydraulic pressure loss or worn clutch packs within the assembly.
- Torque Converter Shudder: A vibration or shudder felt during light acceleration, particularly between 15-30 mph, suggests the lock-up clutch or stator assembly is failing. This is a common long-tail search query for “ZF BP230 shudder fix.”
- External Fluid Leakage at Bell Housing: Oil seeping from the bell housing weep hole or around the input shaft seal points to a failing front pump seal or torque converter hub wear. This often triggers searches for “ZF 4681.084.014 oil leak repair.”
- Overheating and Slipping Under Load: If the transmission fluid temperature spikes quickly while climbing grades or hauling loads, and the engine revs without corresponding vehicle speed, the internal clutches are slipping. This is a critical failure mode requiring immediate replacement.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number / SKU | 4681.084.014 |
| Assembly Type | Complete Unit (4 BP 230 BASICPOWER) |
| Overall Length (approx.) | 28.5 inches (724 mm) |
| Dry Weight | 185 lbs (84 kg) |
| Housing Material | High-Strength Aluminum Alloy |
| Torque Converter Diameter | 12.0 inches (305 mm) |
| Fluid Capacity (Assembly) | 12.5 quarts (11.8 liters) |
| OEM Reference | ZF 4681.084.014 / BP 230 Series |
Compatibility
This complete assembly is engineered for the ZF BASICPOWER transmission family, specifically the BP 210 and BP 230 series. It is a direct replacement for units originally installed in the following ZF model configurations:
- ZF WG180 (when configured with BP 230 output)
- ZF WG200 (late-model variants using the 4-speed BASICPOWER architecture)
- ZF 4 BP 210 (direct upgrade or replacement for earlier 210 series units)
- ZF 4 BP 230 (standard fitment for this SKU)
This assembly is commonly found in Mercedes-Benz Atego, MAN TGL, and Iveco Eurocargo chassis, as well as various municipal and construction vehicles equipped with the ZF BASICPOWER driveline. Always verify your transmission model tag before ordering.
