A system supported by and carried by a passenger vehicle (28, 150, 140), comprising: a slidable structure having a first portion that is slidable relative to a second portion, wherein the second portion is supported by the passenger vehicle, wherein the first portion can be slid between a first position and a second position, wherein one of the first portion and the second portion of the slidable structure has a member that is slidably received within a member of the other portion, and the member of the first portion supports a horizontal rolling surface of the first portion; a wood chipper module movable between a stowed position and an operational position, the wood chipper module being configured to receive tree limbs and branches and to break the tree limbs and branches to wood chips and including rollable members that are supported by and rollable on the horizontal rolling surface of the first portion of the slidable structure; and a power generator carried by the passenger vehicle that supplies hydraulic power to the wood chipper module, the power generator being mounted on mounting means for fixing the power generator to, or moving the power generator independently from the wood chipper module and relative to, the passenger vehicle; wherein when the wood chipper module is in the stowed position the wood chipper module is entirely contained within the passenger vehicle and when the wood chipper module is in the operational position a majority of the wood chipper extends outside of the passenger vehicle and the wood chipper module is at least partially supported by the slidable structure and the first portion of the slidable structure is in the second position. a slidable structure having a first portion that is slidable relative to a second portion, wherein the second portion is supported by the passenger vehicle, wherein the first portion can be slid between a first position and a second position, wherein one of the first portion and the second portion of the slidable structure has a member that is slidably received within a member of the other portion, and the member of the first portion supports a horizontal rolling surface of the first portion; a wood chipper module movable between a stowed position and an operational position, the wood chipper module being configured to receive tree limbs and branches and to break the tree limbs and branches to wood chips and including rollable members that are supported by and rollable on the horizontal rolling surface of the first portion of the slidable structure; and a power generator carried by the passenger vehicle that supplies hydraulic power to the wood chipper module, the power generator being mounted on mounting means for fixing the power generator to, or moving the power generator independently from the wood chipper module and relative to, the passenger vehicle; wherein when the wood chipper module is in the stowed position the wood chipper module is entirely contained within the passenger vehicle and when the wood chipper module is in the operational position a majority of the wood chipper extends outside of the passenger vehicle and the wood chipper module is at least partially supported by the slidable structure and the first portion of the slidable structure is in the second position.