Is the second-hand Komatsu PC200-7 excavator worth buying?

Komatsu PC200-7 inherits Komatsu's excellent performance and is different from the familiar -8 series.

In appearance, the Komatsu PC200-7 and Komatsu PC200-8 are not very different, and both use the classic Komatsu yellow and black tones. In terms of power, the Komatsu PC200-7 is different from the Komatsu PC200-8. 

The Komatsu PC200-7 uses a direct injection Komatsu SAA6D102E-2 engine with a power of 145PS, while the next-generation Komatsu PC200-8 uses electronic injection. engine.

Of course, there will be minor problems in the use of Komatsu PC200-7. Komatsu PC200-7 has several common problems. The first is the problem of cracking of the boom. The first is the corner on the top, and the two circles on the top of the boom cylinder are easy to weld. Cracked. 

There is also the forearm cylinder, the two high-pressure oil pipes on the top of the big arm, and the two on the rotating motor are prone to explosion, and the walking strength is obviously reduced.