Re: K-400 with which cable?
Now I am no expert, but I own a K375, and it is a nice machine, but it is not a main line machine, (it is not a root machine), (I have done roots with it and nearly got it stuck and thought I was going to lose the cable, but finally got it untangled and was able to get them only two hrs), but it is a in house machine not a main line machine, and my guess is the k400 is no different. (in my opinion I would not rate it for more than 3" pipe) with the 1/2 cable it would do soft stoppages in 4")
In my opinion I would probly go with the smaller cable, as really a 2" line is all I would want it in unless it just a soft blockage, (the smaller cable would make bends easier in the smaller pipe IMO). yes it would do soft blockages in 3" and possibly 4" but if you tie up the cutter you could easily flip the cable in the pipe. (I have both sizes of cables as it was clear the lighter was not up to the task of roots, and heaver blockages in larger lines, but I ran across a good used K750 and I do not think I have ever used the 1/2 cable in the K375. (the larger 1/2 cable was going to be my stop gap attempt to make the machine into some thing it really was not designed to do).
the k400 comes with wheels the k375 did not, I took a old lawn mower and use the wheel and handle and made a similar unit to the k400 out of my k375 but the handle does not collapse.
and changing cables in the drum is not the fast or necessarily a easy process, it does not have a pig tail like the K750, (or my K375 does not) and to change the cable you have to jsut remove a clip in side the drum and refasten it. but it seem to be more challenging than it sounds.
(what I have come to an opinion of is if I need the larger cable then I need the bigger machine K750).
Like I said I am not a day in day out sewer rat, I do some drain maintenance for a few customers, I currently have a K750 and the k375, and a Milwaukee drill powered hand unit,
but if I was starting over with my collection of tools for drains clearing, I think I would consider, the K60 that most ever one seems to like very well on the board here, and one of the drill powered canister units, (I do not remember what is liked better of the Ridgid brand by most on here), for sinks and that type of problems.
as if I remember correctly K60 will take two different cable sizes and is capable of main lines and the weight problem is simplified, and after dragging a K750 up and down some steps, you will want some thing that can be broke in to pieces for transport IMO.
you would have a machine (K60)that should be able to do a large percentage of the jobs you encounter, and not take up hardly any more space, and with the drill canister unit my guess you will be in a better shape to take on what you encounter.
(when I worked maintenance in a large school campus the K400/k375 would have been a good machine for in the dorms and so on),
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