Overview
The ZF 2093.209.007 AXLE FLARED TUBE is a critical hydraulic and structural component engineered for heavy-duty construction machinery drivelines. This OEM genuine part serves as the primary conduit for lubricating oil between the axle housing and the differential assembly, ensuring consistent fluid flow to high-friction zones. Positioned directly within the axle beam, the flared tube design creates a secure, leak-proof seal that withstands extreme vibration and thermal cycling common in excavators and wheel loaders. The SKU 2093.209.007 is precision-formed to maintain exact internal diameter tolerances, preventing flow restrictions that could starve the 2093109001: DIFFERENTIAL of vital lubrication. Without this tube, the entire axle assembly risks catastrophic overheating and seizure.
Symptoms of Failure
- Hydraulic oil seepage at axle tube connections: A worn or cracked flared tube allows gear oil to weep past the flare nut, leaving visible stains on the axle housing. This is a common early indicator that the 2093.209.007 has lost its sealing integrity.
- Gear whine or chattering from the differential: When the tube becomes partially blocked by debris or internal corrosion, oil flow to the 2093209095: DIFFERENTIAL drops, causing metal-on-metal contact and audible noise during turns.
- Overheating axle housing: Restricted oil delivery forces the 0750117075: TAPER ROLLER BEARING to run dry, generating excessive heat that can warp the 2093309071: DIFF.HOUSING.
- Premature wear of axle bevel gears: Inadequate lubrication from a compromised tube accelerates pitting and spalling on gear teeth, often misdiagnosed as a gear defect.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 2093.209.007 |
| Material | Seamless cold-drawn steel tube, zinc-plated |
| Tube Outer Diameter | 22.0 mm |
| Flare Angle | 45° SAE standard |
| Overall Length | 185 mm |
| Wall Thickness | 2.0 mm |
| Weight | 0.28 kg |
| OEM Reference | ZF 2093.209.007 |
| Thread Type | M22 x 1.5 |
Compatibility
This axle flared tube is designed for ZF’s heavy-duty planetary axle series, specifically the WG180, WG200, and WG250 models used in construction machinery. It also fits select APL-300 and APL-400 series axles found in telescopic handlers and backhoe loaders. The 2093.209.007 interfaces directly with the 2093109001: DIFFERENTIAL and the 2093309071: DIFF.HOUSING, making it a common replacement part for ZF drivelines built between 2005 and 2020. Always verify axle serial numbers before ordering.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109001 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209095 | DIFFERENTIAL | Secondary differential unit for tandem axles |
| 2093309071 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures shift fork to shaft |
| 0730300820 | THRUST WASHER | Controls axial play in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to wheel ends |
| 5838300811 | THRUST WASHER | Reduces friction on bevel gear faces |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear for torque splitting |
Frequently Asked Questions
Q: Can I reuse the old flare nut when installing the 2093.209.007?
A: No. The flare nut deforms during initial torquing to create a seal. Always install a new nut to prevent oil bypass and ensure proper clamping force on the tube flare.
Q: How do I know if this tube fits my ZF WG180 axle?
A: Measure the distance between the differential housing port and the axle end cap. The 2093.209.007 has a 185 mm center-to-center length. If your existing tube measures within 2 mm, this part is compatible.
Q: What torque specification is recommended for the flare nut?
A: ZF specifies 45 Nm for the M22 x 1.5 nut. Over-torquing can collapse the tube bore, restricting oil flow to the 0750117075: TAPER ROLLER BEARING.
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Phone: +86 158 2286 3467 |
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