Main Dozer Cylinders
Dozer Lift
The lift cylinders on the dozer are responsible for lifting the entire blade up and down.
Dozer Tilt
The dozer tilt, or blade tilt, cylinders will tilt the blade forward and backward.
On dozer tilt models there are typically two tilt cylinders,
Whereas on power angle tilt models there is typically one.
Dozer Angle
The angle cylinders are only found on power angle tilt models (6-way blade). They will angle the blade to the left and right.
Ripper
These cylinders are only on models equipped with a ripper.
They allow the operator to adjust the height and angle of the ripper attachment.
Also, read:
(sources – hwpartstore.com)