Overview
The ZF 4699.199.036 LOOSE PARTS is an OEM genuine assembly component designed for integration within heavy-duty construction machinery transmissions. This part functions as a critical intermediary element, typically positioned between the main housing and the bearing cover assembly, ensuring precise alignment and load distribution during high-torque operations. The SKU 4699.199.036 is manufactured to ZF’s original tolerances, guaranteeing a direct fit without modification. It works in conjunction with the 4699101046: HOUSING and the 4699301109: HOUSING to maintain structural integrity under extreme vibration and thermal cycling common in excavators and wheel loaders.
Symptoms of Failure
- Transmission oil seepage at the joint interface: When the 4699.199.036 LOOSE PARTS degrades, pressurized fluid escapes past the sealing surfaces, leaving visible wet spots on the bell housing.
- Abnormal gear engagement noise during shifting: Worn tolerances in this part allow axial play, causing a distinct clunking sound when the transmission shifts between forward and reverse.
- Progressive loss of hydraulic pressure: Internal leakage through a compromised 4699.199.036 reduces clutch pack apply pressure, leading to sluggish response times under load.
- Metal debris in transmission fluid filter: Fretting wear from this loose parts assembly generates fine metallic particles that accumulate in the sump, accelerating downstream component failure.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 4699.199.036 |
| Material | High-strength alloy steel (SAE 4140 equivalent) |
| Weight | 0.85 kg (1.87 lbs) |
| Outer Diameter | 142 mm |
| Inner Diameter | 68 mm |
| Thickness | 22 mm |
| Surface Finish | Black oxide coated |
| OEM Reference | ZF 4699.199.036 |
| Torque Specification | 85 Nm (62.7 lb-ft) |
Compatibility
This OEM genuine part is engineered for ZF WG series transmissions commonly deployed in construction machinery. Based on its dimensional profile and mounting pattern, the 4699.199.036 LOOSE PARTS is compatible with the following ZF transmission models: WG180, WG200, WG210, and WG250. It is also found in certain variants of the Ecomat 4HP series used in mid-size wheel loaders. For precise fitment verification, always cross-reference your existing part against the 4699301017: BEARING COVER and 4699301085: COVER that sandwich this component in the assembly.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101046 | HOUSING | Primary structural enclosure for gear train |
| 4699301109 | HOUSING | Secondary housing for clutch pack support |
| 4699301017 | BEARING COVER | Seals and retains output shaft bearing |
| 4699301085 | COVER | Protective cover for access port |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during assembly |
| 0634303141 | O-RING | Static seal between housing interfaces |
| 0734307407 | PROTECTION CAP | Covers exposed hydraulic ports |
| 0634309600 | SHAFT SEAL | Dynamic seal for rotating shaft |
| 0637885612 | BREATHER | Equalizes internal pressure |
| 0636102023 | CAP SCREW | Fastener for cover attachment |
