Overview
This OEM genuine ZF 0736.101.339 component is a critical hydraulic control valve assembly engineered for heavy-duty construction machinery transmissions. It precisely regulates oil flow and pressure within the transmission’s hydraulic circuit, enabling smooth clutch engagement and gear shifts under extreme load conditions. The SKU 0736.101.339 is an original ZF-manufactured part, ensuring exact fit and factory-specified performance for demanding off-highway applications. It sits within the valve body housing, directly interfacing with the transmission control unit to manage shift timing and torque converter lock-up.
Symptoms of Failure
When this valve assembly deteriorates, operators often notice distinct operational issues. Common failure indicators include:
- Delayed or harsh gear engagement – The transmission hesitates before shifting or slams into gear, particularly when moving from neutral to drive or reverse.
- Intermittent oil leaks – Hydraulic fluid may seep from the valve body gasket or around the solenoid ports, leaving visible puddles under the machine.
- Erratic shifting under load – The transmission may unexpectedly slip out of gear or fail to hold a selected gear when climbing grades or hauling heavy payloads.
- Increased operating temperature – A stuck or worn valve can cause constant hydraulic bypass, leading to overheating and degraded fluid condition.
Technical Specifications
| Part Number | 0736.101.339 |
| OEM Reference | ZF 0736 101 339 |
| Material | High-strength aluminum alloy with hardened steel spools |
| Weight | 2.4 kg (5.3 lbs) |
| Dimensions (L x W x H) | 210 mm x 120 mm x 85 mm |
| Operating Pressure | 12–18 bar (174–261 psi) |
| Fluid Compatibility | ZF TE-ML 03, 05, or equivalent Dexron III |
Compatibility
This genuine ZF valve assembly is designed for use in the following transmission models commonly found in construction machinery such as wheel loaders, graders, and dump trucks:
- ZF WG180 – 6-speed powershift transmission
- ZF WG200 – Heavy-duty 6-speed transmission
- ZF WG210 – Off-highway transmission variant
- ZF Ecomat 4HP590 – Select applications with hydraulic valve body retrofit
Always verify your transmission serial number against ZF’s official compatibility chart before installation. This part is not backward-compatible with older WG120 or WG150 series without adapter kits.
