Overview
The ZF 2093.168.034 SPLITTER BOX is a critical power distribution component within the final drive assembly of heavy-duty construction machinery. This OEM genuine part, identified by SKU 2093.168.034, sits directly between the transmission output shaft and the axle differential, managing torque split and enabling smooth gear range shifts under load. Designed to withstand extreme torsional stress, the splitter box ensures that engine power is efficiently transferred to the wheels during demanding operations such as grading, loading, and earthmoving. For optimal drivetrain integrity, this unit is frequently installed alongside a 5838109009: DIFFERENTIAL and a 0750117075: TAPER ROLLER BEARING to support axial loads.
Symptoms of Failure
- Oil leaks around the splitter box housing: Worn seals or gaskets cause visible fluid seepage, leading to low lubricant levels and eventual gear damage.
- Gear slipping or delayed engagement: Internal wear on the splitter’s clutch packs or shift forks results in hesitation when switching between high and low range.
- Abnormal whining or grinding noises: Damaged bearings or gear teeth produce metallic sounds during acceleration or deceleration, indicating imminent failure.
- Vibration in the driveline: Misalignment or excessive play in the splitter box output shaft creates noticeable shaking, especially at higher speeds.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2093.168.034 |
| Material | High-strength cast iron housing with hardened steel gears |
| Weight | Approx. 18.5 kg (40.8 lbs) |
| Dimensions (L x W x H) | 320 mm x 240 mm x 210 mm |
| OEM Reference | ZF 2093.168.034 |
| Bearing Type | Taper roller bearings (compatible with 0750117075: TAPER ROLLER BEARING) |
Compatibility
This splitter box is engineered for ZF WG series transmissions commonly used in construction machinery. It is a direct fit for the ZF WG180, ZF WG200, and ZF WG210 transmission models. These units are found in wheel loaders, graders, and dump trucks from manufacturers such as Volvo, Caterpillar, and Case. When replacing this part, technicians should also inspect the 2093209023: DIFFERENTIAL and the 5838300626: DIFFERENTIAL HOUSING for signs of wear, as these components share the same lubricant circuit and load path.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109009 | DIFFERENTIAL | Distributes torque between left and right wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on rotating shafts |
| 2093209023 | DIFFERENTIAL | Secondary differential for multi-axle drive systems |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and protects differential gears |
| 0631329088 | SPRING PIN | Secures shift fork or gear alignment |
| 5838300811 | THRUST WASHER | Reduces axial friction between rotating components |
| 5838300721 | AXLE BEVEL GEAR | Transfers power at a 90-degree angle within the axle |
| 5838300633 | AXLE | Transmits rotational force to the wheel hubs |
| 5838300753 | THRUST WASHER | Prevents metal-to-metal contact in high-load areas |
| 5838300818 | THRUST WASHER | Provides axial clearance control in the differential |
Frequently Asked Questions
Q: How do I know if my ZF 2093.168.034 splitter box needs replacement?
A: Listen for grinding noises during gear shifts and check for oil puddles under the transmission. If the machine hesitates when switching ranges, the splitter box internal components are likely worn.
Q: Can I install this splitter box without replacing the differential housing?
A: It is strongly recommended to inspect the 5838300626: DIFFERENTIAL HOUSING for cracks or warping. A damaged housing will cause misalignment and premature failure of the new splitter box.
Q: What lubricant is specified for this splitter box?
A: Use ZF-approved SAE 80W-90 GL-5 gear oil. Always verify the oil level after installation to prevent dry start damage.
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