Overview
The ZF 2099.247.051 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 transmission housing, ensuring consistent cooling and gear engagement under extreme loads. Positioned between the valve body and the differential assembly, the 2099.247.051 TUBE maintains structural integrity against vibration and thermal cycling. When replacing this component, it is common to inspect the 2099109045 DIFFERENTIAL for wear, as fluid starvation from a compromised tube can accelerate differential damage.
Symptoms of Failure
- Hydraulic fluid seepage near transmission bell housing: A cracked or corroded tube often produces slow oil drips, visible as dark stains on the casing. Search query: “ZF transmission oil leak from tube part 2099.247.051”.
- Intermittent gear slipping under load: Reduced oil pressure due to a blocked or deformed tube causes delayed clutch pack engagement, especially during uphill operation. Search query: “construction machinery transmission slipping when loaded”.
- Overheating transmission with erratic shifting: Insufficient fluid flow to the 0750117075 TAPER ROLLER BEARING leads to localized hot spots, triggering thermal warning lights. Search query: “ZF transmission overheating shifting hard”.
- Metallic debris in transmission fluid: Internal tube fragmentation can contaminate the 2093209094 DIFFERENTIAL and 2093309078 DIFF.HOUSING, requiring immediate inspection.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 2099.247.051 |
| Material | Seamless cold-drawn steel, zinc-nickel plated |
| Length | 312 mm (12.28 in) |
| Outer Diameter | 18 mm (0.71 in) |
| Wall Thickness | 2.5 mm (0.098 in) |
| Weight | 0.34 kg (0.75 lbs) |
| OEM Reference | ZF 2099.247.051 |
| Thread Type | M14 x 1.5 (both ends) |
Compatibility
This tube is engineered for ZF WG series transmissions commonly used in wheel loaders, graders, and excavators. Verified compatible models include WG180, WG200, WG211, and WG310. It also fits select ZF 4WG-200 and 6WG-310 variants. Always cross-reference the 2097309085 DIFFERENTIAL AXLE and 4482360002 AXLE BEVEL GEAR for proper alignment during installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2099109045 | DIFFERENTIAL | Distributes torque to axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating differential components |
| 2093209094 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309078 | DIFF.HOUSING | Encloses differential gear set |
| 0631100223 | SPRING PIN | Secures tube alignment bracket |
| 0730300820 | THRUST WASHER | Reduces axial play in gear stack |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to wheel hubs |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential to final drive |
| 5838300811 | THRUST WASHER | Prevents gear face scoring |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear mesh in differential |
