Overview
The ZF 2099.147.005 OIL SUPPLY is a critical hydraulic component engineered to deliver pressurized lubrication and cooling oil directly to the rotating assemblies within ZF heavy-duty transmissions. Positioned as the primary conduit between the oil pump and the gear train, this OEM genuine part ensures consistent fluid flow to high-friction zones such as the differential and bearing clusters. Without a properly functioning oil supply unit, internal components experience rapid thermal degradation and accelerated wear. The SKU 2099.147.005 is precision-machined to factory tolerances, guaranteeing a leak-free seal and optimal pressure retention throughout the transmission’s operational cycle.
Symptoms of Failure
- Intermittent gear slipping under load: When the oil supply becomes restricted or fails to maintain pressure, the transmission loses hydraulic clamping force, causing gears to momentarily disengage during heavy excavation or lifting operations.
- Visible oil seepage around the transmission housing: Cracks or warpage in the supply unit allow pressurized oil to escape, leaving puddles beneath the equipment and reducing overall system volume.
- Overheating and burnt transmission fluid odor: Inadequate oil delivery to the 2093109024: DIFFERENTIAL and 0750117075: TAPER ROLLER BEARING causes localized hot spots, degrading fluid viscosity and producing a sharp, acrid smell.
- Delayed engagement or sluggish shifting: A compromised oil supply starves the valve body of hydraulic energy, resulting in hesitation when transitioning between forward and reverse gears.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2099.147.005 |
| Material | High-grade aluminum alloy with hardened steel inserts |
| Dry Weight | 1.85 kg (4.08 lbs) |
| Overall Length | 215 mm |
| Mounting Bolt Pattern | 4-hole, 90 mm spacing |
| O-Ring Groove Diameter | 32 mm |
| Max Operating Pressure | 18 bar (261 psi) |
| Operating Temperature Range | -20°C to +120°C |
Compatibility
This oil supply unit is designed for ZF’s WG series powershift transmissions commonly found in construction machinery. It is a direct fit for the WG180, WG200, and WG250 models, as well as certain variants of the WG310 series. The part interfaces directly with the 2093209095: DIFFERENTIAL assembly and the 2093309071: DIFF.HOUSING, ensuring seamless integration into existing drivetrains. Always verify your transmission serial number against OEM documentation before installation.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109024 | DIFFERENTIAL | Distributes torque between axles while allowing speed variation |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on rotating shafts |
| 2093209095 | DIFFERENTIAL | Secondary differential unit for multi-axle drive configurations |
| 2093309071 | DIFF.HOUSING | Encloses and protects differential gear sets |
| 0631100223 | SPRING PIN | Secures alignment of mating components under vibration |
| 0730300820 | THRUST WASHER | Prevents axial movement and reduces friction between gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power at a 90-degree angle within the differential |
| 2097309085 | DIFFERENTIAL AXLE | Connects differential side gears to wheel hubs |
| 5838300811 | THRUST WASHER | Heavy-duty spacer for high-torque differential applications |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Primary gear for torque splitting in the differential carrier |
Frequently Asked Questions
Q: Can the 2099.147.005 oil supply be repaired if it develops a crack?
A: No. Due to the high-pressure environment and precision internal channels, any structural damage requires full replacement. Welding or epoxy repairs will compromise flow dynamics and lead to immediate failure.
Q: How often should this oil supply unit be inspected?
A: During every major transmission overhaul (typically every 4,000–6,000 operating hours) or whenever you replace the 0750117075: TAPER ROLLER BEARING. Visual inspection for scoring or distortion is recommended.
Q: Does this part include the mounting gasket or O-rings?
A: The 2099.147.005 is supplied as a bare unit. You must order the appropriate seal kit separately to ensure a leak-proof installation against the 2093309071: DIFF.HOUSING.
📞 Need this part? Contact our ZF specialists:
Email: info@partszf.com |
Phone: +86 158 2286 3467 |
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