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The Caterpillar 345C L is a large hydraulic excavator manufactured by Caterpillar Inc. The 345C L, with 345 hp (257 kW) of net flywheel power, is classified as a large excavator by Caterpillar. In Caterpillar's naming conventions, the last two digits indicate the excavator's weight in metric tonnes. The 345C L is not named after its horsepower.
Caterpillar Inc. does not manufacture a military version of the D9 per se, but the attributes that make the D9 popular for major construction projects make it desirable for military applications, as well, and with Israeli modifications and armor, it has been particularly effective for the Israel Defense Forces [3] and also used by KBR [citation needed] in Iraq.
The smaller ones are called mini or compact excavators. [7] For example, Caterpillar's smallest mini-excavator weighs 2,060 pounds (930 kg) and has 13 hp; [8] their largest model is the largest excavator available (developed and produced by the Orenstein & Koppel, Germany, until the takeover 2011 by Caterpillar, named »RH400«), the CAT 6090 ...
1987: D8N (285 hp [213 kW]) with differential steer transmission, the first track-type Caterpillar tractor to have one (the new D8N was smaller than the old D8L size, which was replaced by the new D9N model). 1996: 305 hp (227 kW) D8R replaced D8N. 2000: D8R Series 2 replaced the D8R. 2004: 310 hp (230 kW) D8T ACERT replaced D8R Series 2. [1]
The Caterpillar HT4 and No.6 Shovel were the only hydraulic Traxcavators available from Caterpillar until the all-new 933, 955 and 977 made their appearance in early 1955. The name "Traxcavator" was a registered Caterpillar brand name for many years, but has developed into common usage to describe any tracked shovel/loader.
The Caterpillar D7 is a medium track-type tractor manufactured by Caterpillar Inc. and most commonly used as a bulldozer. The D7 was first manufactured in 1938. A series of improved models were later produced, including the D7C in 1955, the D7D in 1959, the 160 hp (120 kW) D7E in 1961, the 180 hp (130 kW) D7F in 1969 and the 200 hp (150 kW) D7G ...