ZF 2093.147.057 OIL SUPPLY | OEM Genuine Part

Overview

The ZF 2093.147.057 OIL SUPPLY is a critical OEM genuine component engineered to deliver pressurized lubrication directly to the internal gear sets and bearings within ZF heavy-duty transmissions. Positioned within the lower valve body or pump housing assembly, this part ensures a consistent flow of hydraulic fluid to reduce friction and dissipate heat during high-torque operations in construction machinery. The SKU 2093.147.057 is precision-machined to maintain exact oil pressure tolerances, preventing metal-to-metal contact that leads to premature wear. When installed alongside the 2093109013: DIFFERENTIAL, it supports balanced fluid distribution to the axle assembly, while the 0750117075: TAPER ROLLER BEARING relies on this oil supply for proper surface film lubrication.

Symptoms of Failure

• Intermittent gear slipping under load: When the oil supply becomes restricted or the internal passages clog, the transmission loses hydraulic pressure, causing gears to slip during excavation or lifting cycles.
• Visible oil leaks around the pump housing: Cracks or seal degradation in the 2093.147.057 unit allow pressurized fluid to escape, leaving puddles under the machine after shutdown.
• Overheating transmission fluid: A failing oil supply reduces flow volume, leading to thermal spikes that trigger warning lights and degrade fluid viscosity.
• Erratic shift timing or delayed engagement: Insufficient oil delivery to the valve body causes hesitation when shifting between forward and reverse in wheel loaders or dozers.

Technical Specifications

Compatibility

This OEM oil supply unit is primarily designed for ZF WG180, WG200, and WG210 series transmissions commonly found in construction machinery such as telescopic handlers, backhoe loaders, and compact excavators. It also fits select variants of the ZF 4WG-200 and 4WG-310 torque converter transmissions. For proper fluid routing, verify that the 2093209096: DIFFERENTIAL and 2093309073: DIFF.HOUSING are free of debris before installation.

Related Components

Frequently Asked Questions

Q: Can the 2093.147.057 oil supply be rebuilt or must it be replaced as a unit?
A: This OEM genuine part is a sealed assembly; internal wear or clogging typically requires full replacement rather than rebuilding to maintain precise oil flow characteristics.

Q: How often should the oil supply be inspected in construction machinery?
A: During every major transmission service interval (every 1,000–2,000 operating hours), check for cracks, seal deterioration, and ensure the fluid passageways are clear of debris.

Q: Will a failing oil supply damage the differential or bearings?
A: Yes. Insufficient lubrication directly accelerates wear on the 0750117075: TAPER ROLLER BEARING and can cause scoring on the 2093109013: DIFFERENTIAL gear teeth, leading to costly repairs.