EARTH-WORKING MACHINERY-NAMELY, BULLDOZER, SWAMP BULLDOZER, TIREDOZER, SCRAPER, RIPPER AND RAKE DOZER; EARTH-HANDLING MACHINERY-NAMELY, SHOVEL LOADER, TRACTOR LOADER AND LOADER BUCKET, EXCAVATOR-NAMELY, BACK-HOE, DOZER-SHOVEL, SWAMP DOZER-SHOVEL, DOZER SHOVEL WITH ANGLE BLADE POWER SHOVEL, BUCKET EXCAVATOR, MINING SHOVEL, TRENCHER AND TUNNEL BORING MACHINE; CONSTRUCTION MACHINERY-NAMELY, ROAD ROLLER, DROP-HAMMER, ASPHALT FINISHER, TIRE-ROLLER, VIBRATION-ROLLER AND GRADER; METAL WORKING MACHINERY-NAMELY, BENDING MACHINE, MECHANICAL PRESS, PRECISION FORGING PRESS, HYDRAULIC PRESS, EXTRUSION PRESS, SLUG CHOPPER, SLUG UPSETTER; AND ANGLEDOZERS, STRAIGHTDOZERS, STRAIGHT-TILTDOZERS COALDOZERS, TRIMMING DOZERS, U-DOZERS, SNOWPLOW, PUSHER PLATE, SIDE-DUMP BUCKET, MULTIPURPOSE BUCKET, SKID LOADER, ROCK BUCKET, SKELETON BUCKET, BACKHOE, TOWING WINCH, LOGGING WINCH, REAR POWER CONTROL UNIT, THREE-POINT LINKAGE, STEEL CAB, CANOPY, AND CAB GUARD THEREFOR