Overview
The ZF 2099.247.022 TUBE is a precision-engineered hydraulic fluid conduit designed for heavy-duty construction machinery transmissions. This OEM genuine part channels pressurized oil to critical lubrication points within the axle and differential assembly, ensuring consistent cooling and friction reduction under extreme loads. As a factory-specified component, the SKU 2099.247.022 replaces worn or damaged tubing that can compromise transmission pressure integrity. It sits between the main transmission housing and the differential carrier, directly interfacing with the 2098309010: DIFFERENTIAL HOUSING to maintain a sealed oil circuit.
Symptoms of Failure
- Hydraulic oil seepage near axle housing: A cracked or corroded 2099.247.022 tube often causes slow fluid loss, visible as wet spots around the differential mounting area.
- Intermittent gear slipping under load: Insufficient oil delivery due to a blocked or collapsed tube leads to momentary power loss when climbing grades or moving heavy materials.
- Overheating transmission fluid: Restricted flow through a deformed tube reduces heat exchange, triggering temperature warning lights on construction machinery dashboards.
- Whining noise from differential: Starved lubrication from a leaking tube creates metal-on-metal contact, producing a high-pitched sound during turns or acceleration.
Technical Specifications
| Specification | Value |
|---|---|
| Part Number | 2099.247.022 |
| Material | Seamless steel tube, zinc-plated |
| Length | 385 mm (estimated) |
| Outer Diameter | 12 mm |
| Wall Thickness | 1.5 mm |
| Weight | 0.42 kg |
| OEM Reference | ZF 2099.247.022 |
| Thread Type | M14 x 1.5 (both ends) |
Compatibility
This tube is engineered for ZF WG-series powershift transmissions commonly used in wheel loaders and graders. It directly fits the WG180 and WG200 models, and is also compatible with the WG150 and WG250 series when used with the correct banjo fittings. The 2099.247.022 tube works in tandem with the 2099109002: DIFFERENTIAL and 2099364014: CROWN WHEEL to maintain oil circulation within the final drive assembly. For complete axle rebuilds, pair this tube with the 2099209001: DIFFERENTIAL and 2098309010: DIFFERENTIAL HOUSING to ensure all sealing surfaces match OEM tolerances.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2098309009 | DIFFERENTIAL HOUSING | Encloses differential gears, provides mounting points for oil tubes |
| 2098309031 | AXLE BEVEL GEAR | Transfers torque from driveshaft to wheel axles |
| 2098309030 | AXLE BEVEL GEAR | Matched set with 2098309031 for gear mesh alignment |
| 2098309032 | DIFFERENTIAL BEVEL GEAR | Distributes power between left and right wheels |
| 12883200682 | THRUST WASHER | Reduces axial play in differential gear stack |
| 0635332059 | BALL BEARING | Supports rotating shafts within differential housing |
