7 Agricultural machines and implements, namely, round and rectangular automatic balers, bale carriers, bale feeders, bale throwers, bale accumulators, combine headers, forage harvesters, forage blowers, forage boxes, feed grinder-mixers, manure spreaders, mowers, disc mowers, mower-conditioners, disc mower-conditioners, planters, air seeders, side delivery rakes and combination coupling hitches therefor, rotary rakes and tedders, round bale movers and handlers, sprayers, tillage implements namely plows and harrows, tub grinders, windrowers, windrow inverters, utility front end loaders, front-end loaders, backhoes, self propelled agricultural combines, self propelled agricultural harvesters and self propelled agricultural windrowers, engines for agricultural machines