Overview
The ZF 2098.211.006 AXLE FLARED TUBE is a precision-engineered hydraulic conduit designed to route pressurized oil within the final drive assembly of heavy-duty construction machinery. This OEM genuine part sits directly between the axle housing and the differential carrier, ensuring a leak-free connection for lubrication and cooling circuits. As a critical component in ZF driveline systems, the SKU 2098.211.006 maintains proper fluid flow to bearings and gears, preventing thermal damage under extreme loads. When paired with a 2098109042: DIFFERENTIAL or a 2098309011: CROWN WHEEL, this flared tube ensures consistent oil delivery to the ring gear interface.
Symptoms of Failure
- Hydraulic oil seepage at axle tube connection: A worn or cracked flared tube often produces visible oil drips near the differential housing, especially after extended operation in construction environments.
- Erratic gear engagement under load: Insufficient lubrication from a compromised tube can cause intermittent slipping or grinding noises from the 2099209001: DIFFERENTIAL assembly during turning maneuvers.
- Overheating of final drive components: Restricted oil flow through a deformed tube leads to localized hot spots, detectable by infrared thermography on the axle housing near the 2098309010: DIFFERENTIAL HOUSING.
- Contaminated oil in differential sump: A fractured tube allows debris ingress, accelerating wear on bevel gears and thrust washers within the axle system.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2098.211.006 |
| Material | Seamless steel tube, zinc-nickel plated |
| Tube Outer Diameter | 18 mm (0.71 in) |
| Flare Angle | 45° SAE standard |
| Overall Length | 245 mm (9.65 in) |
| Weight | 0.34 kg (0.75 lbs) |
| OEM Reference | ZF 2098.211.006 |
| Operating Pressure | Up to 25 bar (362 psi) |
| Temperature Range | -40°C to +120°C (-40°F to +248°F) |
Compatibility
This flared tube is engineered for ZF heavy-duty transmission models commonly found in wheel loaders, excavators, and graders. It is directly compatible with the WG180, WG200, and WG250 series final drives. Additionally, it fits select AP400 and AP500 axle assemblies used in articulated dump trucks. Always verify the tube routing against the original equipment layout, as variations exist between left-hand and right-hand axle configurations.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098109042 | DIFFERENTIAL | Distributes torque to axle shafts |
| 2098309011 | CROWN WHEEL | Transfers power from pinion to differential |
| 2099209001 | DIFFERENTIAL | Alternative differential assembly variant |
| 2098309010 | DIFFERENTIAL HOUSING | Encloses differential gears and bearings |
| 2098309009 | DIFFERENTIAL HOUSING | Alternate housing casting for WG series |
| 2098309031 | AXLE BEVEL GEAR | Drives wheel hub rotation |
| 2098309030 | AXLE BEVEL GEAR | Matching bevel gear for opposite side |
| 2098309032 | DIFFERENTIAL BEVEL GEAR | Distributes torque within differential case |
| 12883200682 | THRUST WASHER | Reduces axial play in differential gears |
| 0635332059 | BALL BEARING | Supports rotating shafts in axle assembly |
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