卡特 312

- Standard bucket: General earthmoving, digging, loading - Rock bucket: Hard soil, rock excavation - Skeleton bucket: Screening gravel, separating soil and stones - Hydraulic breaker hammer: Breaking concrete, rock - Log grapple: Handling timber, branches - Stone grapple: Grabbing stones, scrap - Auger: Drilling holes for posts, piles - Rake: Clearing weeds, sorting debris - Quick coupler: Fast switch between different attachments - Compaction plate: Tamping backfill, slope compaction - Pallet forks: Lifting pallets, cargo - Hydraulic shear: Cutting steel, scrap metal - Ripper: Loosening hard soil, frozen ground - Thumb: Assisting bucket to grab irregular materials

The CAT 312 is a 12-ton class crawler hydraulic excavator. Popular versions include 312C, 312D, 312D2 and 312GC. It is equipped with the original Caterpillar engine, delivering reliable power and smooth hydraulic performance. The undercarriage is robust and long-lasting. With a standard bucket capacity around 0.5 m³, it fits earthmoving, road construction, foundation excavation and landscaping, especially for tight job sites. It enjoys good parts availability, moderate fuel consumption and high resale value, which makes it a widely sought-after used machine for overseas markets.