Stock photography, photos: Caterpillar digger Stock photos of Caterpillar digger and it's diesel fuel tank. Photographed 2004,Oulu,Finland,Scandinavia,Europe Photograph: © Reino Hanninen Click for a larger image and more information Keywords associated with this stock photo: Cat,Caterpillar,tread,digger,crawler,excavator,yellow,blue,sky,technology,metal,close-up,close,up,digger,machine,fuel,tank,petrol,gasoline,diesel,behind,stopped,330B,snow,water,sludge,mud,ooze,sky,blue,profile,machinery,clearance,earth,moving,sunny,sunshine,day,daytime,outside,outdoors,winter,wintertime,vertical,portrait,rubble,vehicle,equipment,tool,Finland,Europe