Loader - Construction

AKA front loader, front end loader, Wheel Loader Selection, tractor loader, Wheelloader, Wheel loader, bucket loader, scoop loader or shovel


A loader is a type of tractor, usually wheeled, that uses a wide square tilting bucket on the end of movable arms to lift and move material. The loader assembly can be removable or permanently mounted. Often the bucket can be replaced with other devices or tools, for example, many mount forks to lift heavy pallets or shipping containers, and a hydraulically opening clamshell bucket allows a loader to act as a light dozer or scraper.

Heavy Equipment Front Loaders

Large loaders, usually have only a front bucket and are called Front Loaders, whereas small loader tractors are often also equipped with a small backhoe and are called backhoe loaders or loader backhoes.

Loaders are used mainly for uploading materials to trucks, laying pipe, clearing rubble, and digging. A loader is not the most efficient machine for digging as it cannot dig very deep below a level of the wheels. Their deep bucket can usually store about 3 - 6 cubic metres of earth. The front loader's bucket capacity is much bigger than a bucket capacity of a backhoe loader. Loaders are not classified as earthmoving machinery, as the primary purpose is other than earthmoving.

In construction areas loaders are also used to transport building materials - such as pipes, bricks, metal bars, and digging tools, over short distances on construction site.

Front loaders gained popularity during the last two decades, especially in urban engineering projects and small earthmoving works. The term "loader" is also used in the debris removal field to describe a boom on a grapple truck.

Compact Front End Loaders
Compact utility tractors, also called CUTs are small tractors, typically with 18 to 50 horsepower and used primarily for ground maintenance and landscape chores. There are 2 primary designs to compact tractor FELs, the traditional dogleg designed style and the curved arm style.

Specifications on Compact Loader capacities are often confusing because the manufacturers do not use the same measurement points to list capacities as industrial/commercial loader manufacturers use. A typical Compact Loader's capacity is measured at several points and at several heights. Measurements at the pivot points of the loader do not reflect real world load capacities because geometry demands the loads carried farther forward of the fulcrum point will be lower than loads carried at the pivot point itself. Some manufacturers provide a capacity figure at the pivot point.

Skid Loaders and Track Loaders

A skid loader is a small loader utilizing 4 wheels with hydraulic drive to direct power to either, or both sides of a vehicle. Very similar in appearance and design is the track loader, which utilizes a continuous track on either side of the vehicle instead of the wheels.

Backhoe loader AKA Loader backhoe

An engineering vehicle, consists of a tractor, fitted with a shovel/bucket on the front and a small backhoe on the back. Common in urban engineering and small construction projects. A backhoe, also called a rear actor, back actor or JCB, is a piece of excavating equipment consisting of a digging bucket on the end of an articulated arm (also called a stick or dipper). Modern backhoes are powered by hydraulics. They are typically mounted on the back of a tractor or front loader.

Skid loader or skid-steer loader: rigid frame, machine with lift arms used to attach a wide variety of labour-saving tools or attachments. Skid-steer loaders are four-wheel drive vehicles with the left-side drive wheels independent of the right-side drive wheels. Skid-steer loaders can turn in their own tracks which makes them extremely maneuverable and valuable for applications that require a compact, agile loader. Unlike in a conventional front loader, lift arms in these machines lie alongside a driver with major pivot points behind the driver's shoulders. Because of the operator's proximity to moving booms and buckets, early skid loaders were not as safe as conventional front loaders, particularly during entry and exit of a operator. Modern skid loaders have fully enclosed cabs and other safety features to protect the operator from injury. Like other front loaders it can scrape material from one location to another, carry material in a bucket or load material into a truck or trailer.