The WalthersMainline HO Scale 61′ Wood Chip Gondola is a model of the big, colorful cars used to haul wood chips. Though they′re one of the lightest loads carried by rail, wood chips require the biggest cars! Wood chips are big business for modern sawmills lumber operations. Wood chips were once burned as scrap or fuel at mills, but today, these by-products of the lumber industry are purchased by paper companies and used as feedstock to make paper. Features of the WalthersMainline 61′ Wood Chip Gondola include: Limited Edition -- One Time Run of These Roadnumbers! In Service from 1960s On Prototypes Move Woodchips from Sawmills to Paper Mills Fully Assembled, Ready for Your Railroad Correct 33′ Turned-Metal Wheelsets Proto MAX(TM) Metal Knuckle Couplers The 61′ Wood Chip Gondola is one of many WalthersMainline HO Scale gondolas.