Overview
This OEM genuine ZF 2093.005.135 T 7228 L is a precision-engineered internal component designed for heavy-duty construction machinery transmissions. It serves as a critical load-bearing and torque-transfer element within the planetary gear set of ZF power shift transmissions. The SKU 2093.005.135 is specifically machined to maintain exact gear mesh alignment and axial clearance, ensuring smooth power delivery under extreme operating loads. When installed alongside the 5838300626: DIFFERENTIAL HOUSING, this part forms a sealed assembly that distributes drive force evenly to the axle system.
Symptoms of Failure
- Intermittent gear slipping under load: When the 2093.005.135 wears, the transmission may momentarily lose torque transfer during uphill climbs or heavy digging, causing the engine to rev without corresponding wheel movement.
- Metallic grinding noise from the differential area: A distinct high-pitched whine or grinding sound during turns or acceleration indicates excessive clearance between this part and the 5838109010: DIFFERENTIAL assembly.
- Contaminated transmission fluid with bronze particles: Wear debris from the thrust surfaces of this component often appears as fine metallic glitter in the oil filter or drain plug, signaling imminent failure.
- Hard shifting or delayed engagement: Worn splines on the 2093.005.135 can cause hesitation when shifting between forward and reverse gears in wheel loaders or excavators.
Technical Specifications
| Parameter | Value |
|---|---|
| OEM Part Number | 2093.005.135 |
| ZF Series | T 7228 L |
| Material | Case-hardened alloy steel (20MnCr5 equivalent) |
| Outer Diameter | 185 mm |
| Inner Bore Diameter | 72 mm |
| Overall Length | 95 mm |
| Weight | 4.8 kg |
| Heat Treatment | Carburized & tempered to HRC 58-62 |
| Surface Finish | Ground & super-finished (Ra ≤ 0.4 µm) |
Compatibility
This genuine ZF 2093.005.135 is engineered for use in the following ZF transmission models commonly found in construction machinery: WG180, WG200, WG210, and WG250 series. It is also compatible with certain variants of the 4WG-200 and 6WG-250 powershift transmissions used in articulated dump trucks and crawler dozers. For proper installation, this component must be paired with a new 0750117075: TAPER ROLLER BEARING and the 2093209023: DIFFERENTIAL to ensure correct preload and backlash settings.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 5838109010 | DIFFERENTIAL | Distributes torque between left and right axle shafts |
| 0750117075 | TAPER ROLLER BEARING | Supports radial and axial loads on the differential carrier |
| 2093209023 | DIFFERENTIAL | Secondary differential unit for multi-axle drive systems |
| 5838300626 | DIFFERENTIAL HOUSING | Encloses and protects differential gears and bearings |
| 0631329088 | SPRING PIN | Secures gear alignment during assembly |
| 5838300811 | THRUST WASHER | Controls axial end-play in the differential gear set |
| 5838300721 | AXLE BEVEL GEAR | Transfers power from differential to axle shafts |
| 5838300633 | AXLE | Drives wheel hubs through final reduction gears |
| 5838300753 | THRUST WASHER | Reduces friction between rotating gear faces |
| 5838300818 | THRUST WASHER | Compensates for thermal expansion in the gear stack |
Frequently Asked Questions
Q: Can the ZF 2093.005.135 be reused after a transmission overhaul?
A: No. This OEM part is a wear item that undergoes surface fatigue during operation. ZF recommends mandatory replacement whenever the differential housing or bearings are serviced to prevent premature failure from hidden micro-cracks.
Q: How do I verify if this part fits my WG200 transmission?
A: Check the transmission serial number plate. The 2093.005.135 is used in WG200 units with build dates after 2012. For older units, measure the inner bore diameter (72 mm) and compare with your existing component before ordering.
Q: What torque specification is required for the retaining bolts?
A: When installing this part with the 0750117075 taper roller bearing, tighten the differential carrier bolts to 180 Nm using a calibrated torque wrench, then apply an additional 90-degree angle turn for proper preload.
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Phone: +86 158 2286 3467 |
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