* Year, Make, and Model of your truck: This will help me identify the correct axle type.
* Rear axle type: If you know it, tell me what type of axle you have (e.g., 8.8, 9.75, Dana 60, etc.).
* Engine size: This can help me narrow down the possibilities.
* Desired viscosity: Do you want synthetic, conventional, or a specific weight (e.g., 75W-140)?
Once I have this information, I can give you a more accurate answer about the gear oil your truck needs.
