Grease bucket pump, likely used for lubricating heavy machinery. The Caterpillar Service Tools label suggests it's an official tool for servicing Caterpillar equipment.
Features observed:
Metal grease bucket – Typically used for storing and dispensing grease.
Pump mechanism on top – Suggests manual or pneumatic operation.
Footplate at the base – Likely for stability during operation.
Red carrying handle – For easier transportation.
This type of grease bucket is commonly used in construction, mining, and heavy equipment maintenance to ensure proper lubrication of moving parts.