Solid waste recycling and processing machines for chipping waste wood and other organic waste comprising tub grinders, mulching machines, and trommel/auger screening machines; forest products processing machines, namely, debarkers, flail delimber/debarkers, delimbers, disc saw feller-bunchers and disc saws, and chain saw feller-bunchers and chain saws, for felling and bunching trees; brush buckets as machines for lifting brush, trees and stumps; stump reducing machines; log forks as machines for lifting logs and bundles of logs; power operated log grapples; chip screens; chip receiving hoppers; hydraulic pumps on pump stands; power operated log sorters for unloading log trucks and piling and sorting the logs; power operated slasher saws; power operated sorting tables; power operated log turners; mill carriages; top saws; carriage drives; operator's machine drive cabs for sawmills and forest products processing machines; wood chip handling equipment, namely, screening and loading machines and disc scalping screens; tree harvesting equipment comprising machines with loaders for loading whole trees or logs to chippers to reduce them to wood chips; brush, log, tree and refuse wood chippers, tree shears for felling trees; feller-buncher shears for felling and bunching trees; chipvan and railway car loaders and unloaders; log, tree, brush, lumber and wood chip auger, belt, paddle, and chain conveyors; chip blowers; chipper knives; hydraulic cylinders; slide boom and knuckle boom loaders; saw mills; live decks; post and pole peelers; edgers, trimmers; lumber sorting and stacking machines; mechanical speed reducers; troughing idlers and rollers; cyclones; machine power transmission components, namely, belts, bushings, chains, conveyor drums, couplings, set collars, sheaves, sprockets, pulleys and hubs; power takeoffs; hydraulic hose and fittings for machines; hydraulic accessories for machines, namely, filter spouts and caps, hyraulic filters, hose reels, accumulators, and inspection covers, hydraulic control valves for machines, hydraulic motors for machines, hydraulic pumps for machines, and hydraulic cylinders; diesel engines for solid waste recycling and forest products processing machines and diesel engine parts sold as a unit with diesel engines, namely, engine instruments and gauges, cable and cable accessories, air cleaners, spark arresters, mufflers, and radiator cores and repair parts for such engines; trailer axles; machine drive cab parts, sold as a unit with machine drive cabs, namely, air conditioners, air conditioning compressors, defroster fans, latches, heaters, seats, seat pedestals, and sliding windows; and repair parts for such machine drive cab parts