Overview
The ZF 4699.103.064 OUTPUT is a critical OEM genuine component designed for heavy-duty construction machinery transmissions. This part serves as the primary output shaft assembly, transferring rotational power from the transmission’s planetary gear set to the final drive or differential. Engineered for high-torque applications, the 4699.103.064 ensures precise engagement and minimal power loss under extreme loads. The SKU 4699.103.064 is a direct factory replacement, guaranteeing exact fitment and durability. It integrates seamlessly with the 4699101079: HOUSING to form a sealed, high-pressure oil circuit, while the 0501329881: HOUSING COVER protects the internal splines from debris ingress.
Symptoms of Failure
- Transmission oil leaks near the output flange: Worn seals or bearing journals on the 4699.103.064 allow hydraulic fluid to escape, often visible as drips under the vehicle after operation.
- Intermittent gear slipping under load: A damaged output shaft spline or worn bearing race causes momentary loss of torque transfer, especially during uphill climbs or heavy digging.
- Abnormal vibration or whining noise: Excessive axial play in the output assembly generates a low-frequency hum that intensifies with speed, indicating imminent bearing failure.
- Delayed engagement when shifting: Internal wear on the output shaft’s clutch hub reduces hydraulic pressure, leading to sluggish response from park to drive.
Technical Specifications
| Parameter | Specification |
|---|---|
| Part Number | 4699.103.064 |
| Material | Case-hardened alloy steel (20MnCr5) |
| Weight | 8.4 kg (18.5 lbs) |
| Overall Length | 312 mm |
| Spline Count | 24-tooth involute (SAE C) |
| OEM Reference | ZF 4699.103.064 |
| Bearing Type | Double-row tapered roller |
| Max Torque Capacity | 2,450 Nm |
Compatibility
This output assembly is engineered for ZF’s WG series powershift transmissions commonly used in wheel loaders, graders, and excavators. Verified compatible models include WG180, WG200, and WG211. It also fits select Ecomat 4HP and 6HP variants used in older construction equipment. Always cross-reference your transmission serial number with the 4699.103.064 to confirm spline engagement. For proper sealing, pair this output with the 0634306309: O-RING and the 0637885612: BREATHER to equalize internal pressure.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 4699101079 | HOUSING | Encloses the output shaft and directs oil flow |
| 0501329881 | HOUSING COVER | Seals the housing and supports the output bearing |
| 0634306309 | O-RING | Prevents fluid leakage between mating surfaces |
| 0637885612 | BREATHER | Vents pressure buildup and prevents contamination |
| 0501319149 | SCREW PLUG | Seals unused ports in the housing |
| 0636302022 | SCREW PLUG | Magnetic drain plug for debris collection |
| 0634801038 | SEALING RING | Copper crush washer for high-pressure joints |
| 0730365801 | TYPE PLATE | Identification tag with transmission serial number |
| 4699102158 | INPUT | Input shaft assembly for torque converter |
| 4699302299 | DRIVE PINION | Reduction gear that meshes with the output shaft |
