A tracked loader or crawler loader is an engineering vehicle consisting of a tracked chassis with a loader for digging and loading material. The history of tracked loaders can be defined by three evolutions of their design. Each of these evolutions made the tracked loader a more viable and versatile tool in the excavation industry. These machines are capable in nearly every task, but master of none. A bulldozer, excavator, or wheel loader will outperform a tracked loader under a set of conditions, but the ability of a tracked loader to perform almost every task on a job site is why it remains a part of many companies' fleets.
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| - Laderaupe (de)
- Chargeur sur chenilles (fr)
- Tracked loader (en)
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| - Die Laderaupe (auch Raupenlader oder Kettenlader genannt) ist eine Baumaschine, welche überwiegend im Erdbau verwendet wird. Sie besitzt ein Kettenfahrwerk und ist an der Front mit einer Ladeschaufel ausgestattet. Unverkennbar ist die Ähnlichkeit zur Planierraupe (Bulldozer), dennoch ist die Laderaupe eher eine Abwandlung des Radladers. Die Laderaupe unterscheidet sich vom Radlader in der besseren Geländegängigkeit und in der Fähigkeit, dicht gelagerte Böden besser lösen zu können. (de)
- Un chargeur sur chenilles, ou trax, ou chargeuse sur chenilles est un engin de chantier sur chenilles. Il comporte un corps automoteur (chassis à chenilles de tracteur ou de bulldozer par exemple) et un godet à l'avant qui peut effectuer un mouvement vertical et pivoter autour de son axe porteur. Le godet peut être remplacé par divers outils : fourche à palette, godet drop permettant le fonctionnement en mode bulldozer ou chargeur, lame bulldozer… Il existe des variantes : mini-chargeur sur chenilles, chargeur à bras de levage unique éventuellement télescopique. (fr)
- A tracked loader or crawler loader is an engineering vehicle consisting of a tracked chassis with a loader for digging and loading material. The history of tracked loaders can be defined by three evolutions of their design. Each of these evolutions made the tracked loader a more viable and versatile tool in the excavation industry. These machines are capable in nearly every task, but master of none. A bulldozer, excavator, or wheel loader will outperform a tracked loader under a set of conditions, but the ability of a tracked loader to perform almost every task on a job site is why it remains a part of many companies' fleets. (en)
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| - Die Laderaupe (auch Raupenlader oder Kettenlader genannt) ist eine Baumaschine, welche überwiegend im Erdbau verwendet wird. Sie besitzt ein Kettenfahrwerk und ist an der Front mit einer Ladeschaufel ausgestattet. Unverkennbar ist die Ähnlichkeit zur Planierraupe (Bulldozer), dennoch ist die Laderaupe eher eine Abwandlung des Radladers. Die Laderaupe unterscheidet sich vom Radlader in der besseren Geländegängigkeit und in der Fähigkeit, dicht gelagerte Böden besser lösen zu können. (de)
- Un chargeur sur chenilles, ou trax, ou chargeuse sur chenilles est un engin de chantier sur chenilles. Il comporte un corps automoteur (chassis à chenilles de tracteur ou de bulldozer par exemple) et un godet à l'avant qui peut effectuer un mouvement vertical et pivoter autour de son axe porteur. Le godet peut être remplacé par divers outils : fourche à palette, godet drop permettant le fonctionnement en mode bulldozer ou chargeur, lame bulldozer… Il existe des variantes : mini-chargeur sur chenilles, chargeur à bras de levage unique éventuellement télescopique. (fr)
- A tracked loader or crawler loader is an engineering vehicle consisting of a tracked chassis with a loader for digging and loading material. The history of tracked loaders can be defined by three evolutions of their design. Each of these evolutions made the tracked loader a more viable and versatile tool in the excavation industry. These machines are capable in nearly every task, but master of none. A bulldozer, excavator, or wheel loader will outperform a tracked loader under a set of conditions, but the ability of a tracked loader to perform almost every task on a job site is why it remains a part of many companies' fleets. The first tracked loaders were built from track tractors with scratch-built loaders. The first loaders were cable-operated like the bulldozers of the era. These tracked loaders lacked the ability to dig in hard ground, but so did the bulldozers of the day. They were mostly used for moving stockpiled material and loading trucks and rail cars. The first major design change to tracked loaders came with the integration of hydraulic systems. Using hydraulics to power the loader linkages increased the power of the loader. More importantly, the loaders could apply down pressure to the bucket, vastly increasing their ability to dig compacted ground. Most of the tracked loaders were still based on a bulldozer equivalent. The weight of the engine was still on the front half of the tracks along with the heavy loader components. This caused many problems with heavy wear of the front idler wheels and the undercarriage in general. The Caterpillar 983 tracked loader, the second largest tracked loader ever built, was notorious for heavy undercarriage wear. The hydrostatic drive system was the second major innovation to affect the design of tracked loaders. Tracked loaders have become sophisticated machines, using hydrostatic transmissions and electro-hydraulic controls to increase efficiency. Until the rise in popularity of excavators, tracked loaders had little competition with regard to digging and loading jobs. (en)
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