KOMATSU Excavator from Malaysia

[Lil Giants]

It's cheaper for me to buy than scratchbuild... I live in a rather remote area with no access to materials, machines, custom cnc, ect. Everything would have to be mail order. I do enough fixing, head scratching, macguyvering on farm machinery nearly everyday that I prefer my hobby to be a ready made assembly that I can sit down and enjoy at the flip of a switch.

Per my JD850, it's 1.4m from pivot point to tip of bucket at its furtherest reach. Weighs about 39kg (86lbs). Hydraulic pressure set to 25bar with 20mm diameter cylinders.

The valves you show in the above photo are made by Leimbach for wedico, the same hydraulic system as my smaller Stahl constr equip.
http://www.leimbach-modellbau.de/start.html

What you have there now for valves is humungous, way more flow than what you need. It'll probably take 1/4 scale servos to operate them, the type of servos used in sail boats.

Anyways, on my way out the door right now, going on a short holiday for a week. Talk more later.

[Rebekah_harper]

hiya,

thought I'd share this link should you not have found it. I use parts books for inspiration and so far it's help me alot to develop parts. hope it helps

www.komatsupartsbook.com/

[izzzul]

Originally Posted by Rebekah_harper

hiya,

thought I'd share this link should you not have found it. I use parts books for inspiration and so far it's help me alot to develop parts. hope it helps

www.komatsupartsbook.com/

wow..! nice, thanks a lot for sharing..this is great info

[Rebekah_harper]

I wish there was something similar for liebherr as I am building one for someone (thread on here)

but I got the design for the slew joint from there so that I can power the tracks hydraulically.
rams and pump are coming from Damitz the Hydraulic motors I am going to make my self along with the control valves.

I love your build
was wondering what scale you were building to as I am working on 1/14 to fit in with trucks and the reach is about the same.

look forward to seeing more.