Search found 3 matches
- Fri Sep 15, 2023 7:03 pm
- Forum: Early model JD crawler technical support
- Topic: JD 420c Crawler Hydraulic System
- Replies: 8
- Views: 11431
Re: JD 420c Crawler Hydraulic System
Thanks again guys for your advice. I probably should have consulted with you folks before I started this project, however, since I’ve come this far with it, I hope to tinker with it a bit more before I give up. I’ll try posting some photos and/or video when it’s done if anyone would be interested. H...
- Tue Sep 05, 2023 8:16 pm
- Forum: Early model JD crawler technical support
- Topic: JD 420c Crawler Hydraulic System
- Replies: 8
- Views: 11431
Re: JD 420c Crawler Hydraulic System
Thanks for your response Jim and Lavoy. The Crawler does have a blade. I would add a picture of my “Backdozer” (- or “Bullhoe”) if I knew how to. - The hydraulic pump is located just behind the rad at the front of dozer. The pressure is about 1,000 psi which is not enough to effectively use the back...
- Mon Sep 04, 2023 4:56 pm
- Forum: Early model JD crawler technical support
- Topic: JD 420c Crawler Hydraulic System
- Replies: 8
- Views: 11431
JD 420c Crawler Hydraulic System
Hello, I am new to this forum, but I’m hopeful that someone here has some expertise that they are willing to share with me. I have a 1956 420c Crawler with a backhoe attachment. However, the hydraulic pressure is not enough to make the backhoe a very useful tool. Can the pressure be increased and is...