Highly detailed hydraulic excavator and wheel loader free 3D-model available in 3ds max, jpg textures included, 3d truck model of engineering vehicle, it can be used for 3D animation and presentation, pattern design or computer animation, large scale scene rendering and so on.
Available format:   
.MAX (3DS Max)
loader (bucket loader, front loader, front-end loader, payloader, scoop, shovel, skip loader, or wheel loader) is a heavy equipment machine used in construction and sidewalk maintenance to move aside or load materials such as asphalt, demolition debris, dirt, snow, feed, gravel, logs, raw minerals, recycled material, rock, sand, woodchips, etc. into or onto another type of machinery (such as a dump truck, conveyor belt, feed-hopper, or railcar).

You can free download this 3d-objects for 3D modeling software and use it for your 3D visualisation works, 3D interactive design, simulation and rendering.