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1 - WHEELS & TIRES & TRACKS
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13 - MISCELLANEOUS VEHICLE
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16 - VEHICLE ELECTRIC SYSTEMS
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17 - FRAME CHASSIS OR SUPPORTING STRUCTURE
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18 - OPERATOR'S STATION
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19 - SHEET METAL & STYLING
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2 - AXLES, DIFFERENTIALS & SUSPENSION SYSTEMS
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20 - SAFETY, CONVENIENCE & MISCELLANEOUS
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33 - EXCAVATOR
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4 - ENGINE
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43 - SWING, ROTATION, OR PIVOTING SYSTEM
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5 - ENGINE AUXILIARY SYSTEM
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