Overview
The ZF 4699.199.058 LOOSE PARTS kit (SKU: 4699.199.058) is an OEM genuine assembly component engineered for heavy-duty construction machinery transmissions. This loose parts set functions as a critical interface within the transmission housing, securing internal hydraulic circuits and preventing debris ingress. It is typically positioned between the main HOUSING and the HOUSING assembly, where it stabilizes pressure flow and maintains structural integrity under high-torque loads. As a genuine ZF part, it ensures precise fitment and long service life in demanding off-highway applications.
Symptoms of Failure
When the ZF 4699.199.058 wears out, operators may notice these specific failure indicators:
- Hydraulic fluid seepage around the transmission bell housing – A worn loose parts kit can compromise the seal between the COVER and the main casing, leading to slow oil leaks that worsen under load.
- Intermittent gear engagement hesitation – Degraded internal components cause pressure loss, resulting in delayed clutch pack activation during shifts.
- Metallic debris in transmission fluid – Abrasion of the loose parts releases fine metal particles, which can be detected during routine oil sampling.
- Abnormal vibration at the THREAD PROTECTIVE SHIELD interface – Misalignment from a failing kit creates harmonic chatter, especially during cold starts.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 4699.199.058 |
| Material | Hardened alloy steel with zinc-nickel coating |
| Weight | 0.85 kg (1.87 lbs) |
| Overall Length | 142 mm |
| Outer Diameter | 68 mm |
| Thread Pitch | M12 x 1.5 |
| Operating Temperature Range | -40°C to +120°C |
| OEM Reference | ZF 4699.199.058 |
Compatibility
This genuine loose parts kit is designed for ZF’s WG series powershift transmissions commonly used in wheel loaders, graders, and excavators. Based on its part number structure and application data, it is compatible with the following ZF transmission models:
- WG180 – 6-speed powershift for medium loaders
- WG200 – Heavy-duty 6-speed for large excavators
- WG211 – High-torque variant for mining trucks
- WG240 – Extreme-duty off-highway transmissions
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101045 | HOUSING | Main structural casing for gear cluster |
| 4699301108 | HOUSING | Secondary housing for valve body |
| 4699301085 | COVER | Seals the transmission sump |
| 4699301014 | THREAD PROTECTIVE SHIELD | Prevents thread damage during assembly |
| 0634303141 | O-RING | Hydraulic seal between components |
| 0734307407 | PROTECTION CAP | Covers exposed ports during storage |
| 0634301843 | SHAFT SEAL | Prevents fluid leakage along rotating shafts |
| 0630502034 | RETAINING RING | Secures bearings in axial position |
| 0637885612 | BREATHER | Equalizes internal pressure |
| 0636102023 | CAP SCREW | Fastens housing sections together |
