RC Truck and Construction

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RC Truck and Construction (https://www.rctruckandconstruction.com/index.php)

- Construction Equipment (https://www.rctruckandconstruction.com/forumdisplay.php?f=6)

- - CAT 374D L (https://www.rctruckandconstruction.com/showthread.php?t=4399)

Hemi1966

10-27-2012 07:03 AM

Re: CAT 374D L

I was able to do some test runs with the undercarriage:)

http://youtu.be/bjVBu86-agE

Snochaser

10-27-2012 07:27 AM

Re: CAT 374D L

Absolutely awesome. Great job. Can't wait to get mine. :)

rockNmayhem

10-27-2012 10:52 AM

Re: CAT 374D L

Wow that looks amazing. The tracks seem very smooth and track great. I can't wait to see the rest of the machine come together.

Tyler

ihbuilder

10-28-2012 09:54 AM

Re: CAT 374D L

great job , Ari ;) If your around 64.25 mm you should be good for the wide shoes .

Hemi1966

10-28-2012 11:00 AM

Re: CAT 374D L

I did some work with the stick today:)

http://i327.photobucket.com/albums/k...L/IMG_0684.jpg

speedy8305

10-28-2012 01:41 PM

Re: CAT 374D L

I must say that is looking awesome cant wait to see the finished product will be something to see

Jw.	10-28-2012 05:11 PM

Re: CAT 374D L

Awesome work on the stick and your undercarriage! Speaking of track pads. How long are your track pads?

Quote:

Originally Posted by ihbuilder (Post 68589)

great job , Ari ;) If your around 64.25 mm you should be good for the wide shoes .

64.25mm sounds good. That's after the 900mm(35inch) track pads scaled down? That's what I'm doing and added just a little more. The track pads I made are 66.00mm wide and 19.70mm long. After the 900mm pads for my 390.

Do you know the actual size of a 900mm width track pad for a 374? Length wise? Is it the same between 374 and 390?

Thanks
Jeff

plow jockey

10-28-2012 06:33 PM

Re: CAT 374D L

Outstanding job!!

Hemi1966

10-29-2012 12:27 PM

Re: CAT 374D L

Quote:

Originally Posted by Jw. (Post 68662)

Awesome work on the stick and your undercarriage! Speaking of track pads. How long are your track pads?

64.25mm sounds good. That's after the 900mm(35inch) track pads scaled down? That's what I'm doing and added just a little more. The track pads I made are 66.00mm wide and 19.70mm long. After the 900mm pads for my 390.

Do you know the actual size of a 900mm width track pad for a 374? Length wise? Is it the same between 374 and 390?

Thanks
Jeff

I made mine wider, they are actually 80mm wide:eek:. I don't like the look of an large excavator that has narrow tracks:)
But seriously, I might cut them shorter later.
I've seen pictures of 374 that has maybe over 1 meter wide pads

I don't know the exact lenght of the pad, but mine are 20mm long.

9W Monighan

10-29-2012 01:06 PM

Re: CAT 374D L

Everything is looking like it's coming together nicely. As far as the track width; It would depend on what the machine is going to be working on. Narrow tracks shorter frames for hard rock where no flotation is needed.

ihbuilder

10-29-2012 01:13 PM

Re: CAT 374D L

I Know the 385 ( which I'm building (2)) are 900mm (36")and 750mm (30") I'm making my shoes @ 64.25mm x about 19-20 mm .75" . I read somewhere that the 390 is just a renumbered 385 with a few added HP , etc

Hemi1966

11-10-2012 08:31 AM

Re: CAT 374D L

I started to make the cylinders:)

http://i327.photobucket.com/albums/k...L/IMG_0695.jpg

http://i327.photobucket.com/albums/k...L/IMG_0701.jpg

http://i327.photobucket.com/albums/k...L/IMG_0706.jpg

Azonic

11-10-2012 08:56 AM

Re: CAT 374D L

That looks very nice!

I would go for a little narrower track pads, other then that its a piece of art!

Hemi1966

11-10-2012 09:25 AM

Re: CAT 374D L

Quote:

Originally Posted by Azonic (Post 69851)

That looks very nice!

I would go for a little narrower track pads, other then that its a piece of art!

I've come to that conclusion too, I will make them slightly narrower:)

Azonic

11-10-2012 11:32 AM

Re: CAT 374D L

Quote:

Originally Posted by Hemi1966 (Post 69854)

I've come to that conclusion too, I will make them slightly narrower:)

Yea, to bad you have to go thru all those pads again! :) Will be worth it though i think!

speedy8305

11-10-2012 11:48 AM

Re: CAT 374D L

This machine is freakin awesome very very good skill you have I work on These machines and watching this build is great

kerst

11-10-2012 03:15 PM

Re: CAT 374D L

Looks beautiful!

Kerst

Lil Giants

11-10-2012 09:16 PM

Re: CAT 374D L

Beautiful job of the cyls Ari. Is that stainless steel for the pushrod?

Hemi1966

11-11-2012 04:10 AM

Re: CAT 374D L

Quote:

Originally Posted by Lil Giants (Post 69892)

Beautiful job of the cyls Ari. Is that stainless steel for the pushrod?

Yep, it's 1.4305 grade stainless.

Hemi1966

11-17-2012 05:30 AM

Re: CAT 374D L

Got the rest of the cylinders done:)

http://i327.photobucket.com/albums/k...L/IMG_0716.jpg

http://i327.photobucket.com/albums/k...L/IMG_0719.jpg

http://i327.photobucket.com/albums/k...L/IMG_0729.jpg

http://i327.photobucket.com/albums/k...L/IMG_0730.jpg

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