A lift arm assembly comprising: a lift arm that is pivotally securable to a first end to a main frame of a power machine ; an implement carrier that is pivotally secured to a second end of the lift arm ; a lift cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the main frame , so that extending or retracting the lift cylinder raises or lowers the lift arm ; a leveling link that is pivotally securable to a first end to the lift arm ; a tilt cylinder that is pivotally securable to a first end to the implement carrier and pivotally securable to a second end to the leveling link , so that operation of the tilt cylinder causes the implement carrier to pivot relative to the lift arm ; and an isolated hydraulic circuit that includes: a follower cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the main frame , so that the follower cylinder is mechanically synchronized with the lift cylinder ; a leveling cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the leveling link ; a first conduit providing hydraulic flow between a base end of the follower cylinder and a base end of the leveling cylinder ; and a second conduit providing hydraulic flow between a rod end of the follower cylinder and a rod end of the leveling cylinder , wherein movement of the follower and leveling cylinders is hydraulically synchronized by flow through the first and second conduits . a lift arm that is pivotally securable to a first end to a main frame of a power machine ; an implement carrier that is pivotally secured to a second end of the lift arm ; a lift cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the main frame , so that extending or retracting the lift cylinder raises or lowers the lift arm ; a leveling link that is pivotally securable to a first end to the lift arm ; a tilt cylinder that is pivotally securable to a first end to the implement carrier and pivotally securable to a second end to the leveling link , so that operation of the tilt cylinder causes the implement carrier to pivot relative to the lift arm ; and an isolated hydraulic circuit that includes: a follower cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the main frame , so that the follower cylinder is mechanically synchronized with the lift cylinder ; a leveling cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the leveling link ; a first conduit providing hydraulic flow between a base end of the follower cylinder and a base end of the leveling cylinder ; and a second conduit providing hydraulic flow between a rod end of the follower cylinder and a rod end of the leveling cylinder , wherein movement of the follower and leveling cylinders is hydraulically synchronized by flow through the first and second conduits . a follower cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the main frame , so that the follower cylinder is mechanically synchronized with the lift cylinder ; a leveling cylinder that is pivotally securable to a first end to the lift arm and pivotally securable to a second end to the leveling link ; a first conduit providing hydraulic flow between a base end of the follower cylinder and a base end of the leveling cylinder ; and a second conduit providing hydraulic flow between a rod end of the follower cylinder and a rod end of the leveling cylinder , wherein movement of the follower and leveling cylinders is hydraulically synchronized by flow through the first and second conduits . <EOS>