Overview
The ZF 2093.168.031 SPLITTER BOX is a critical power distribution component engineered for heavy-duty construction machinery transmissions. This OEM genuine part functions as the intermediary gear housing that splits torque from the main transmission to the front and rear axles, ensuring balanced power delivery in demanding off-road applications. The SKU 2093.168.031 is precision-machined to interface directly with ZF’s modular transmission architecture, providing reliable gear engagement under extreme load conditions. When installed alongside a 5838109012: DIFFERENTIAL, this splitter box optimizes traction control for wheel loaders and graders operating in uneven terrain.
Symptoms of Failure
- Oil leaks at the splitter box housing seam: Worn gaskets or cracked casings cause transmission fluid seepage, often visible as drips under the vehicle after shutdown.
- Grinding noise during gear engagement: Damaged internal gears or worn 0750117075: TAPER ROLLER BEARING produce metallic grinding sounds when shifting between forward and reverse.
- Intermittent power loss to wheels: A failing splitter box may cause sudden torque drops, particularly when climbing slopes or under heavy bucket loads.
- Excessive vibration in the driveline: Misaligned splines or worn thrust washers create rhythmic shaking felt through the chassis at operating speeds.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2093.168.031 |
| Material | High-grade cast iron (GGG-40) |
| Weight | 18.7 kg (41.2 lbs) |
| Dimensions (L x W x H) | 320 mm x 240 mm x 210 mm |
| OEM Reference | ZF 2093.168.031 |
| Bolt Torque Spec | 85 Nm (62.7 ft-lbs) |
| Seal Type | Viton double-lip |
Compatibility
This splitter box is designed for ZF WG180, WG200, and WG310 series transmissions commonly found in construction machinery such as wheel loaders, telehandlers, and backhoe loaders. It directly replaces OEM units on models including ZF 4WG180, 4WG200, and 6WG310. For complete driveline restoration, pair this unit with a 2093209023: DIFFERENTIAL and 5838300626: DIFFERENTIAL HOUSING to ensure proper gear mesh and housing alignment.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109012 | DIFFERENTIAL | Distributes torque between left and right wheels |
| 0750117075 | TAPER ROLLER BEARING | Supports axial and radial loads on gear shafts |
| 2093209023 | DIFFERENTIAL | Secondary torque split unit for tandem axles |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 0631329088 | SPRING PIN | Secures shift fork alignment in splitter box |
| 5838300811 | THRUST WASHER | Reduces axial friction between rotating gears |
| 5838300721 | AXLE BEVEL GEAR | Transfers power at 90-degree angle to axle shafts |
| 5838300633 | AXLE | Transmits rotational force to wheel hubs |
| 5838300753 | THRUST WASHER | Prevents gear end-play in high-torque zones |
| 5838300818 | THRUST WASHER | Controls axial clearance in differential assembly |
Frequently Asked Questions
Q: How do I know if my ZF 2093.168.031 splitter box needs replacement?
A: Look for oil residue around the housing gasket, unusual gear whine during deceleration, or difficulty engaging low-range gears. A visual inspection for cracks near the mounting flanges is also recommended.
Q: Can I install this splitter box without replacing the taper roller bearings?
A: It is strongly advised to replace the 0750117075: TAPER ROLLER BEARING simultaneously, as worn bearings accelerate housing wear and cause misalignment.
Q: What is the typical service life of this OEM splitter box?
A: Under normal construction duty cycles with proper lubrication, the 2093.168.031 typically lasts 8,000–10,000 operating hours before seal degradation or gear pitting occurs.
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