anyang pneumatic forging hammer is self-contained air hammer, from 15kg to 2000kg
Air Hammer Metal Forging Air Hammer C41 - 25kg Blacksmith Power Forging Hammer Machine for Sale - China Forging Hammer Air, Air Forging Hammer 25kg | Made-in-China.com
Hydra-pneumatic Hammers
29 kg/61 lb Powerhammer and 10 Ton/ 22.000 lb Forge Press - 3D files, drawings and diagrams - Tool drawings & 3D files - Gentil Knives
VEVOR Pneumatic Planishing Hammer, 19.63" Throat Power Hammer Blacksmithing, Planishing Hammer Auto 1/2/3" Radius Anvil, Planishing Air Hammer, English Wheel w/Foot Pedal for Industrial Metal Shaping - - Amazon.com