Patent ID: 8827038

Claim:
A work vehicle comprising: a fuel tank comprising at least one recessed channel; a ladder assembly pivotally supported relative to the fuel tank, the ladder assembly comprising: a ladder including a first side rail, a second side rail, and first and second rungs extending between the first and second side rails, the ladder being supported on the work vehicle at a first pivot point and a second pivot point, the ladder further comprising a first linkage and a second linkage, the first linkage being coupled between the first rung and the first pivot point, the second linkage being coupled between the second rung and the second pivot point, wherein the ladder is configured to pivot about the first and second pivot points between a first position and a second position; and a biasing mechanism coupled to the first linkage or to the second linkage, wherein the biasing mechanism is configured to bias the ladder toward the first position when a respective linkage is above a horizontal orientation and toward the second position when the respective linkage is below the horizontal orientation, and the at least one recessed channel is configured to at least partially receive the first or second rung.