Farm Equipment - Deere 4020 schematic

Print Page | Close Window

Deere 4020 schematic

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=208564
Printed Date: 18 Oct 2025 at 6:19am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com

Topic: Deere 4020 schematic

Posted By: Mrgoodwrench
Subject: Deere 4020 schematic
Date Posted: 17 Oct 2025 at 7:57pm

Anyone out there have an actual schematic for a 12v 4020 diesel? I’m doing an injection pump conversion and have lost power. The only thing working is the headlamps. Odd thing is that I have power to 2 of the three circuit breakers but I thought the dead one was the lights…..

-------------
There are 3 ways to do job GOOD, FAST, CHEAP. YOU MAY CHOOSE 2. If its FAST & CHEAP it won't be GOOD, if it's GOOD & CHEAP it won't be FAST, and if its GOOD & FAST it won't be CHEAP!!!!