In addition to a complete line of Caterpillar pipelayers, sidebooms, track-type tractors (dozers), excavators and motor graders, PLM is the exclusive distributor of Vanguard Continuously Powered Welding tractors, Wet Decks (hydraulic conversion kits for Caterpillar pipelayers) and Combo tractors (pipelayer attachments on D6 Caterpillar tractors). For more information, please contact your PLM account manager or click here to contact us.