Overview
The ZF 4681.084.016 4 BP 230 BASICPOWER Transmission Assembly represents a complete, ready-to-install unit engineered for demanding industrial driveline applications. As a fully assembled gearbox, this part integrates the main housing, planetary gear sets, and hydraulic control system into a single, pre-tested package. Designated under the BP 230 Series, this assembly serves as the core power transfer component in heavy-duty material handling and construction equipment. The SKU 4681.084.016 is specifically configured for the BASICPOWER variant, offering a balance of torque capacity and operational simplicity. This unit replaces worn or failed transmissions, restoring original equipment performance without the need for individual component rebuilding.
Symptoms of Failure
When the ZF 4681.084.016 transmission assembly begins to degrade, operators typically notice distinct performance issues. Recognizing these signs early can prevent costly downtime.
- Delayed or harsh engagement: A worn assembly often causes a noticeable lag when shifting from neutral to forward or reverse, followed by a jarring engagement. This indicates internal clutch pack wear or hydraulic pressure loss.
- Torque converter shudder under load: If the vehicle vibrates or shudders during acceleration, particularly when carrying a heavy load, the torque converter stator or lock-up clutch within the assembly may be failing.
- External fluid seepage at housing seams: Oil leaks developing around the main case gasket or output shaft seal point to degraded seals or a cracked housing, leading to low fluid levels and eventual overheating.
- Intermittent gear slippage in higher ranges: The transmission may momentarily lose power delivery in 3rd or 4th gear, especially on inclines, signaling worn planetary gears or a failing valve body within the BP 230 unit.
Technical Specifications
| Part Number / SKU | 4681.084.016 |
| Assembly Type | Complete Transmission Unit (4 BP 230 BASICPOWER) |
| Overall Length | 620 mm (24.4 in) |
| Overall Width | 480 mm (18.9 in) |
| Overall Height | 510 mm (20.1 in) |
| Dry Weight | 185 kg (408 lbs) |
| Housing Material | High-Strength Aluminum Alloy |
| Input Torque Capacity | 230 Nm (169.6 lb-ft) |
| OEM Reference | ZF Friedrichshafen AG |
| Fluid Capacity | 8.5 Liters (9.0 Quarts) |
Compatibility
This complete transmission assembly is designed for integration with specific ZF driveline models that share the BP 210 and BP 230 platform architecture. It is a direct fit for the following transmission series:
- ZF WG180 Series: Commonly used in telehandlers and wheel loaders requiring a compact, high-torque unit.
- ZF WG200 Series: Found in mid-range forklifts and industrial sweepers where the BASICPOWER control logic is specified.
- ZF BP 210 Series: Directly interchangeable with earlier BP 210 assemblies, offering an upgraded BASICPOWER hydraulic system.
- ZF BP 230 Series: The primary application for this SKU, including 4-speed variants used in agricultural tractors and airport ground support equipment.
Always verify the bellhousing pattern and output flange configuration against your existing unit before installation. This assembly does not include the external wiring harness or cooler lines.
