How about Carter excavator model?
Caterpillar excavator. Caterpillar's hydraulic excavators are named after the 3 prefix, followed by two numbers indicating tonnage levels, such as 320DL, said Caterpillar excavator, 20 ton level, D series, L, said track elongated.
When you buy a Caterpillar excavator, you need to pay attention to the length of the arm and the bucket. Caterpillar's idea is to maximize customer satisfaction requirements, so that the same type of excavator on the configuration will be different, such as the long arm and bucket capacity, and lighting protection device, radio, etc.
will be different. In 320D, for example, there are 2.5 and 2.9, two commonly used bucket (small arm) can be selected, bucket in the country with 1 and 1.2 more, and at the same time with heavy bucket, rock bucket, heavy rock bucket is more common. Special conditions can be selected to widen track, guard board, cab protection device, low temperature starting device and so on. Basically, most of the working conditions can be well matched.
