卡特 307E2

I. Factory Standard Equipment Standard Earthmoving Bucket: 0.11m³ Dual Auxiliary Breaker Hydraulic Piping: Main and secondary hydraulic circuits (standard) Front Dozer Blade (with float function) – 300mm Rubber Tracks II. Bucket Options Trenching Bucket (0.07–0.09m³): For cable trenching, yard slotting Small Rock Bucket (0.10m³): For hard soil, crushed stone Screening Bucket: For sifting sand/soil and construction waste III. Breaking & Demolition 53/55-Series Hydraulic Breaker (primary option – for breaking ground slabs, demolishing walls) IV. Material Handling Attachments Hydraulic Thumb (bucket + thumb integrated – for gripping rocks, pipes, tree roots) Small Rotating Log Grapple (for gripping branches, waste material) V. Special Attachments Hydraulic Quick Coupler: For fast switching between bucket/breaker/grapple Small Hydraulic Auger: For tree planting, small solar piling, foundation drilling Micro Vibratory Compactor: For trench edge and corner compaction

CAT 307E2 CR is Caterpillar’s classic 7-ton compact radius crawler excavator. Powered by Cat C2.4 DI Turbo direct injection engine with Tier4 Interim / Stage IIIA emission standard, only DOC after-treatment, no urea required, with good tolerance to low-quality diesel, suitable for overseas markets such as Africa, Southeast Asia and Latin America. It adopts CR compact radius design plus swing boom, the rear overhang is limited during slewing, safe for narrow urban streets, yard and wall-side jobsites. Original Cat load-sensing hydraulic system with variable piston pump delivers precise flow control, fine pilot operation and smooth combined movements with sufficient power reserve. Standard dozer blade facilitates easy backfilling and grading. It is widely used for municipal pipe trenching, landscaping, yard renovation, orchard work, small foundation excavation, site leveling, slope trimming and light breaking. Factory pre-installed primary & secondary auxiliary hydraulic lines support quick hitch, compatible with hydraulic breaker, auger and grapple. Caterpillar has a huge global fleet, active second-hand market, mature spare parts supply and excellent resale value.