Komatsu D65e-6 overheat

I've been having some issues with my D65e-6 gradually overheating after about 2 hours of use. I have started troubleshooting based on engine/dozer service manuals but hoping to get some additional advice here. Here are the areas I've been focusing on:

• Low Fluids - I have been carefully watching coolant/fluid levels...hasn't been a factor.
• Stalling Torque Converter Excessively - I'm new to dozer operation and I realized I may have been stalling the torque...

Komatsu D65e-6 overheat

Komatsu D65e-6 overheat