ZF 2093.147.407 OIL SUPPLY | OEM Genuine Part

Overview

This genuine ZF 2093.147.407 OIL SUPPLY component is a critical hydraulic element within the lubrication circuit of heavy-duty construction machinery transmissions. It ensures a steady, pressurized flow of oil to the gear sets, bearings, and differential assemblies, preventing thermal damage and metal-to-metal contact. The SKU 2093.147.407 is engineered as a direct OEM replacement, designed to maintain the precise oil volume and pressure required for optimal transmission performance under extreme load conditions. When installed alongside a DIFFERENTIAL HOUSING, this part guarantees that lubrication reaches every critical friction point within the drivetrain.

Symptoms of Failure

When the ZF 2093.147.407 OIL SUPPLY begins to degrade, operators will notice distinct operational issues. Delayed gear engagement is a primary symptom, as insufficient oil pressure prevents clutch packs from filling quickly. Another common failure sign is intermittent transmission overheating, where the lack of oil flow causes localized hot spots in the DIFFERENTIAL area. You may also detect erratic shifting under load, where the transmission hunts for gears due to fluctuating hydraulic pressure. Finally, visible oil seepage around the supply line connections often indicates a cracked or warped supply body, leading to gradual fluid loss.

Technical Specifications

Compatibility

This genuine oil supply unit is primarily designed for the ZF WG180 and WG200 series transmissions, which are common in wheel loaders, graders, and heavy forklifts. It also fits select variants of the ZF WG150 and WG310 models where the lubrication circuit shares the same port configuration. For complete drivetrain integrity, always pair this part with a new TAPER ROLLER BEARING and a DIFFERENTIAL assembly to ensure consistent axial load support and gear alignment.

Related Components

Frequently Asked Questions

Q: Can a failing oil supply cause damage to the differential housing?
A: Yes. Insufficient oil flow from part 2093.147.407 can starve the DIFFERENTIAL HOUSING of lubrication, leading to scoring, overheating, and eventual cracking of the housing under thermal stress.

Q: How often should the ZF 2093.147.407 be replaced?
A: This oil supply unit should be inspected during every major transmission overhaul (typically every 4,000–6,000 operating hours). Replacement is mandatory if any cracks, warping, or seal degradation is detected.

Q: Is this part compatible with aftermarket taper roller bearings?
A: While aftermarket bearings may physically fit, we strongly recommend using the OEM TAPER ROLLER BEARING (0750117075) to maintain the precise internal clearances that this oil supply unit was designed to lubricate.