Diesel-powered concrete mixer mounted on a small mobile chassis.
From the image, here are the key specifications / parts you can identify visually:
1. Power System
Engine brand: OPEX (commonly used in small construction equipment)
Fuel type: Diesel
Engine rating: Typically 8 – 12 HP for this size
Air filter: Heavy-duty oil bath / dry type (red unit labelled Power)
Cooling: Air-cooled single-cylinder