<?xml version="1.0" encoding="utf-8"?><mads xmlns="http://www.loc.gov/mads/" xmlns:mods="http://www.loc.gov/mods/v3" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.loc.gov/mads/
mads.xsd"><authority><topic authority="http://AATesaurus.cultura.gencat.cat/aat/getty_en">crawler tractors</topic></authority><related type="broader"><topic>earthmoving equipment</topic></related><related type="broader"><topic>tracklaying vehicles</topic></related><variant type="other"><topic>crawler tractor</topic></variant><variant type="other"><topic>track-type tractors</topic></variant><variant type="other"><topic>tracklaying tractors</topic></variant><variant type="other"><topic>tractors, crawler</topic></variant><variant type="other"><topic>tractors, track-type</topic></variant><variant type="other"><topic>tractors, tracklaying</topic></variant> <note xml:lang="en"><![CDATA[ Engine-driven vehicles that travel on segmented roller-chain tracks designed to reduce ground pressure and increase traction in loose footing. ]]></note></mads>