Overview
The ZF 2093.211.051 AXLE FLARED TUBE is a precision-engineered hydraulic conduit designed to deliver pressurized oil to the differential and axle assemblies within ZF heavy-duty transmissions. This OEM genuine part, identified by SKU 2093.211.051, sits directly between the transmission housing and the axle carrier, ensuring a leak-free connection for lubrication and cooling circuits. In construction machinery applications, this flared tube maintains critical fluid flow to components such as the 2093109050: DIFFERENTIAL and the 2093209094: DIFFERENTIAL, preventing overheating and premature wear under extreme loads.
Symptoms of Failure
- Hydraulic fluid seepage around the axle tube connection: A worn or cracked flared tube often causes visible oil drips near the differential housing, leading to low fluid levels and potential gear damage.
- Intermittent gear engagement or slipping under load: When the tube fails to deliver consistent oil pressure, the 0750117075: TAPER ROLLER BEARING and differential gears may experience insufficient lubrication, causing erratic shifting or power loss.
- Unusual whining or grinding noises from the axle area: A restricted or collapsed flared tube starves the 2093309078: DIFF.HOUSING of oil, resulting in metal-on-metal contact and audible distress during operation.
- Overheating of the transmission or axle assembly: Reduced oil flow due to a blocked or leaking tube can cause thermal buildup, often detected by warning lights or burnt fluid smell.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number (SKU) | 2093.211.051 |
| Product Type | Axle Flared Tube (Hydraulic Conduit) |
| Material | Seamless Steel with Zinc-Nickel Plating |
| Overall Length | Approx. 320 mm (12.6 in) |
| Tube Outer Diameter | 12 mm (0.472 in) |
| Flare Angle | 45° SAE Standard |
| Weight | 0.35 kg (0.77 lbs) |
| OEM Reference | ZF 2093.211.051 |
| Thread Type | M14 x 1.5 |
| Operating Pressure | Up to 25 bar (362 psi) |
Compatibility
This OEM flared tube is engineered for ZF powershift transmissions commonly used in construction machinery. Based on its design and hydraulic routing, it is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG310 series. It also fits select ZF axle configurations paired with the 2093109050: DIFFERENTIAL and 2093209094: DIFFERENTIAL assemblies. Always verify your transmission model and axle housing part number before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109050 | Differential | Distributes torque to axle shafts |
| 0750117075 | Taper Roller Bearing | Supports rotating differential gears |
| 2093209094 | Differential | Secondary differential for multi-axle drives |
| 2093309078 | Diff.Housing | Encloses differential gear set |
| 0631100223 | Spring Pin | Secures tube alignment in housing |
| 0730300820 | Thrust Washer | Reduces axial friction in differential |
| 4482360002 | Axle Bevel Gear | Transfers power to wheel hubs |
| 2097309085 | Differential Axle | Connects differential to wheel ends |
| 5838300811 | Thrust Washer | Spacer for differential side gears |
| 4482360001 | Differential Bevel Gear | Engages with axle bevel gear |
Frequently Asked Questions
Q: How do I know if my ZF 2093.211.051 flared tube is the correct replacement?
A: Check the part number stamped on the original tube or consult your ZF transmission model number (e.g., WG200). This tube is specifically designed for hydraulic circuits in construction machinery axles and will match the OEM flare and thread specifications.
Q: Can I install this tube without replacing the associated seals or O-rings?
A: It is strongly recommended to replace all sealing elements, including the spring pin (0631100223) and thrust washers (0730300820), to ensure a leak-free fit and proper oil flow to the differential assembly.
Q: What causes premature failure of the axle flared tube?
A: Common causes include vibration from worn taper roller bearings (0750117075), overtightening during installation, or corrosion from contaminated hydraulic fluid. Regular inspection of the tube and surrounding components like the diff.housing (2093309078) can extend service life.
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