Overview
The ZF 2097.317.014 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 connects the axle housing to the differential carrier, ensuring consistent lubrication flow to critical gear sets. As a structural fluid path, the flared tube prevents contamination ingress while withstanding extreme thermal cycling and vibration common in excavators and wheel loaders. The SKU 2097.317.014 is machined from high-tensile steel with a corrosion-resistant coating, making it a direct replacement for worn or damaged factory-installed tubes.
Symptoms of Failure
- Hydraulic oil seepage at axle connection points – A cracked or corroded flared tube often causes visible oil drips near the differential housing, leading to low lubricant levels and accelerated gear wear.
- Erratic gear engagement under load – When the tube loses pressure integrity, the transmission may hesitate or slip during heavy digging or grading operations due to insufficient lubrication to the DIFFERENTIAL assembly.
- Metallic grinding noises from axle area – Debris entering through a compromised tube can score the TAPER ROLLER BEARING surfaces, producing a distinct whine or rumble during rotation.
- Overheating differential housing – Restricted oil flow from a collapsed tube causes friction buildup, detectable as excessive heat radiating from the axle center section.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2097.317.014 |
| Material | Seamless cold-drawn steel, zinc-nickel plated |
| Tube Outer Diameter | 18.0 mm |
| Flare Angle | 45° SAE standard |
| Overall Length | 215 mm |
| Weight | 0.34 kg |
| OEM Reference | ZF 2097.317.014 |
| Thread Type | M22 x 1.5 metric |
| Operating Pressure | Up to 25 bar |
Compatibility
This axle flared tube is engineered for ZF’s WG180, WG200, and WG310 series power shift transmissions commonly used in construction loaders and graders. It also fits select APL-300 and APL-400 axle configurations found in telescopic handlers. For proper installation, verify the tube orientation matches your specific DIFFERENTIAL housing port location. The 2097.317.014 replaces superseded part numbers 2097.317.011 and 2097.317.012.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109021 | DIFFERENTIAL | Distributes torque between axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports differential carrier rotation |
| 2093209096 | DIFFERENTIAL | Alternate ratio differential assembly |
| 2093309073 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures tube alignment bracket |
| 0730300820 | THRUST WASHER | Controls axial play in differential |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Driveshaft connecting differential to wheel |
| 5838300811 | THRUST WASHER | Reduces friction in bevel gear set |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear within differential carrier |
Frequently Asked Questions
Q: Can the 2097.317.014 tube be repaired if it has a small dent?
A: No. Any deformation compromises the internal flow path and flare seal integrity. Always replace with a new OEM tube to prevent sudden oil loss and subsequent DIFF.HOUSING damage.
Q: Does this tube require special tools for installation?
A: Yes. A flaring tool kit and torque wrench calibrated to 45 Nm are essential to avoid overtightening the union nut, which can crack the tube flare.
Q: How often should the axle flared tube be inspected?
A: During every major transmission overhaul (typically 2,000 operating hours) or immediately after any impact to the undercarriage. Check for corrosion pitting near the DIFFERENTIAL AXLE connection points.
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