Overview
The ZF 2095.109.019 DIFFERENTIAL is a critical torque-distributing component within the final drive assembly of heavy-duty construction machinery transmissions. This OEM genuine part, identified by SKU 2095.109.019, sits directly between the axle shafts and the ring gear, allowing the left and right wheels to rotate at different speeds during turns while maintaining constant power delivery. In ZF power shift transmissions, this differential unit manages the mechanical load split from the bevel gear set to the axle shafts, ensuring smooth operation under extreme torque demands. Precision-engineered from high-strength alloy steel, the 2095.109.019 differential is designed to withstand the cyclic stresses of earthmoving and material handling equipment.
Symptoms of Failure
- Uneven tire wear and chirping on turns: When the differential spider gears or side gears wear, the unit fails to equalize wheel speed, causing premature tire scrubbing and audible chirping during low-speed maneuvers.
- Oil leaks from axle housing seals: A worn differential carrier or damaged bearing surfaces allow gear oil to bypass seals, leaving visible drips under the machine and leading to low lubricant levels.
- Grinding or clunking during acceleration/deceleration: Excessive backlash from worn gear teeth or failed 0750117075 TAPER ROLLER BEARING components creates metallic grinding noises, especially when load is applied or released.
- Vibration in the driveline at highway speeds: A failing differential with worn cross-shafts or damaged 0631329086 SPRING PIN retainers produces cyclic vibrations that intensify with vehicle speed, indicating internal component separation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2095.109.019 |
| OEM Reference | ZF 2095.109.019 |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Weight | 14.2 kg (31.3 lbs) |
| Overall Diameter | 245 mm |
| Overall Length | 185 mm |
| Number of Side Gear Teeth | 18 (spiral bevel) |
| Number of Spider Pinions | 4 |
| Max Input Torque Rating | 4,500 Nm |
| Operating Temperature Range | -40°C to +120°C |
Compatibility
This differential is engineered for ZF WG-series transmissions commonly used in construction machinery. It directly fits the following ZF models: WG180, WG200, and WG210 series. It is also compatible with certain ERGOPOWER and ECOMIX driveline configurations found in telehandlers and wheel loaders. When replacing the 2095.109.019, always inspect the mating 2095309059 DIFF.HOUSING for cracks or wear, and verify the 2095209037 DIFFERENTIAL companion unit for proper gear mesh patterns.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier and absorbs radial/axial loads |
| 2095209037 | DIFFERENTIAL | Complete differential assembly for torque distribution |
| 2095309059 | DIFF.HOUSING | Encloses differential gears and provides mounting points |
| 0631329086 | SPRING PIN | Secures spider shaft in differential carrier |
| 0730300820 | THRUST WASHER | Controls axial clearance of side gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 2095309081 | DIFFERENTIAL AXLE | Connects differential to wheel hubs |
| 5838300811 | THRUST WASHER | Reduces friction between pinion gears and carrier |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Engages with side gears to enable speed differentiation |
| 2095309061 | SLEEVE | Spacer element for bearing preload adjustment |
