Brand: MIRAL
Type: Oil-filled sewage/wastewater pump
Model visible: QDX40-9-15NF
Power: The handwritten marking says 3 HP
Pipe/port size: The marking says 3"
Construction: Appears to be a submersible pump, designed to operate while immersed in water/sewage.
Application: Sewage, wastewater, drainage, construction-site water removal, septic/wastewater systems, etc.
Oil-filled motor: The motor chamber is oil-filled, which helps with cooling and protects the motor from water ingress.