Description:

John Deere Servicegard Engine Turning Tool

Used to rotate flywheel on 6.8L engines in 7400 and 7600 Tractors

Special service tool - Use to turn the flywheel on 4024, 4039, 4045, 4239, 4276, 6059, 6068, 6076, 6081, 6090, 6105, 6125, 6135, 6329, 6359, 6466 and 6619 engines

High quality aftermarket tool 

Alternative to JDE81-1 (the formerly version of JDG820)

You also can buy the full kit on the below link
https://hgv-tools.com/products/john-deere-engine-timing-tool-kit-alt-jt07223a