Overview
The ZF 0671.090.357 ASSEMBLY PASTE is a specialized lubricant compound engineered for the precise assembly of heavy-duty ZF transmissions used in construction machinery. This OEM genuine part ensures optimal seating and protection of critical drivetrain components during initial installation or rebuild. The SKU 0671.090.357 is applied directly to gear teeth, bearing surfaces, and splines to prevent galling and micro-welding during the break-in period. It is typically used in the differential and final drive sections of the transmission, where it works in concert with components such as the 2093109024 DIFFERENTIAL and the 0750117075 TAPER ROLLER BEARING to reduce friction and extend service life.
Symptoms of Failure
When the ZF 0671.090.357 ASSEMBLY PASTE degrades or is omitted during service, several distinct failure modes emerge. Operators often report excessive gear whine during cold starts, indicating insufficient lubrication film on the ring and pinion. Another common symptom is premature bearing seizure in the differential housing, which can be traced back to inadequate paste application on the 2093209095 DIFFERENTIAL assembly. You may also notice metal shavings in the transmission oil filter during routine maintenance, a clear sign that the assembly paste has failed to protect mating surfaces. Finally, intermittent gear slipping under load in wheel loaders or excavators often points to compromised paste integrity within the 2093309071 DIFF.HOUSING.
Technical Specifications
| Parameter | Value |
|---|---|
| Part Number | 0671.090.357 |
| Product Type | Assembly Paste (OEM Genuine) |
| Container Size | 400 ml cartridge (estimated) |
| Base Material | Lithium-complex soap with molybdenum disulfide |
| Operating Temperature Range | -30°C to +150°C |
| Weight (per unit) | 0.45 kg (estimated) |
| OEM Reference | ZF 0671.090.357 |
Compatibility
This assembly paste is formulated for use in ZF heavy-duty transmissions commonly found in construction machinery. It is directly compatible with the WG180, WG200, and WG211 series power shift transmissions. Additionally, it is recommended for the 4WG-200 and 4WG-310 models used in wheel loaders and dozers. The paste is essential when servicing the differential section, particularly when installing the 2093109024 DIFFERENTIAL or the 2093209095 DIFFERENTIAL.
Related Components
| Part Number | Name | Function |
|---|---|---|
| 2093109024 | DIFFERENTIAL | Distributes torque to drive axles |
| 0750117075 | TAPER ROLLER BEARING | Supports rotating shafts under axial load |
| 2093209095 | DIFFERENTIAL | Secondary torque distribution unit |
| 2093309071 | DIFF.HOUSING | Encloses and supports differential gears |
| 0631100223 | SPRING PIN | Secures gear alignment in differential |
| 0730300820 | THRUST WASHER | Reduces axial friction between gears |
| 4482360002 | AXLE BEVEL GEAR | Transfers power to axle shafts |
| 2097309085 | DIFFERENTIAL AXLE | Carries differential side gears |
| 5838300811 | THRUST WASHER | Prevents gear end-play wear |
| 4482360001 | DIFFERENTIAL BEVEL GEAR | Changes torque direction in differential |
Frequently Asked Questions
Q: Can I use standard grease instead of ZF 0671.090.357 assembly paste?
A: No. Standard grease lacks the extreme-pressure additives and molybdenum disulfide content required for ZF transmission break-in. Using a substitute may void warranty and cause premature gear failure.
Q: How much paste should I apply to the differential gears?
A: Apply a thin, even coating (approximately 1-2 mm thick) to all gear teeth contact surfaces and bearing races. Excess paste can contaminate the oil, while insufficient paste leads to scuffing.
Q: Is this paste compatible with synthetic transmission oils?
A: Yes. The ZF 0671.090.357 paste is fully compatible with mineral and synthetic oils specified for WG180 and WG200 series transmissions. It dissolves gradually during the first 50 operating hours.
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