🎓 Lesson 4
D3
Viscosity Index Calculations for Multi-Temperature Operation
🎯 Learning Objectives
📖 Lesson Content
Content for: Viscosity Index Calculations for Multi-Temperature Operation. Lesson for Module 3: Viscosity & Thermal Behavior in: Lubrication Specification Mapping for Multi-Function Gearboxes Professional Course
📋 Case Connection
📋 Case Study: New Holland TW Series Tractor PTO Gearbox Overheating & Viscosity Breakdown
PTO gearbox oil temperature exceeded 120°C; viscosity dropped from ISO VG 80 to VG 32; bearing spalling observed