Hello, I tried to search this with no luck. I hope someone can answer this for me. As I was installing my new rings on the pistons. It is a 5 ring piston by the way, I noticed that the 4th ring from the top (oil ring) is different from the ones on the old pistons. The new one is not a solid cast ring but a squigily one with a thin ring on top and bottom of it. Kinda what you would see on a small block chevy. But the kit was listed 5th 4th 3rd and so on. All the other rings are the same except the 4th ring. Has anyone seen this before?
A3.135 piston question
- Thread starter curt3969
- Start date
- Views: 8166
The kid
Elite Member
- Joined
- Apr 25, 2012
- Messages
- 3,888
- Location
- Middle Tennessee
- Tractor
- 1965 135 gasser, 1967 135 diesel
Is this your piston? - kid
murphy1244
Super Star Member
- Joined
- Nov 25, 2011
- Messages
- 16,326
- Location
- Ohio
- Tractor
- Kubota 1120 RTV Kioti DK-40, MF-135, Ventrac 4500Y
That's a oil control ring.
I have flat top pistons. But the ring positions are the same. I have the vertical injectors.
The kid
Elite Member
- Joined
- Apr 25, 2012
- Messages
- 3,888
- Location
- Middle Tennessee
- Tractor
- 1965 135 gasser, 1967 135 diesel
Curt, I'll scan that page and sent it to you in a private message in few minutes. -robert
TomSeller
Super Member
Right, the direct injection AD3. engines had the dished piston top.
Unfortunately I am just now finding out more about one of my AD3.152's pistons than I ever expected to know. It drew at least part of #1 liner into the crankcase. Made kind of a mess. Part of the liner ended up being crunched (pulverized) at the head.
The kid
Elite Member
- Joined
- Apr 25, 2012
- Messages
- 3,888
- Location
- Middle Tennessee
- Tractor
- 1965 135 gasser, 1967 135 diesel
Ok.. Let's try this again. Click on the picture and then click it again to expand. -kid
View attachment 306393
View attachment 306393
The kid
Elite Member
- Joined
- Apr 25, 2012
- Messages
- 3,888
- Location
- Middle Tennessee
- Tractor
- 1965 135 gasser, 1967 135 diesel
Thanks, The Manual I have says its a spring loaded laminated scraper ring. Thats fine, but I need to find out if this "new ring" can be used to replace the original. This whole rebuild is due to piston failure after a rebuild. I will try to post a pic of the old and new tomorrow and see what you all think. I bought this project due to excessive oil consumption. Turns out the lands between the rings were all busted up. I just want to be sure that this scraper ring is correct.