CAT 312 D

# CAT 312D Technical Specifications - Machine Type: Crawler Hydraulic Excavator - Operating Weight: **12920 kg** - Standard Heaped Bucket Capacity: **0.52 m³** - Boom Length: 2800 mm - Stick Length: 3000 mm - Track Shoe Width: 500 mm - Bucket Width: 1100 mm ## Engine - Engine Model: **CAT C4.2 ACERT** - Rated Net Power: **67 kW / 2200 rpm** (SAE J1349) - Gross Power: 72 kW /2200 rpm - Displacement: **4250 cc**, 4‑cylinder in‑line turbo diesel - Emission Standard: **Stage IIIA / Tier3** - Cooling: Water‑cooled four‑stroke diesel ## Hydraulic System - Bucket Digging Force: **96 kN** - Arm Digging Force: **62 kN** - Max Travel Traction Force: 114 kN - Travel Speed: Low 3.4 km/h, High 5.5 km/h - Swing Speed: **12.4 rpm** - Main Pump Flow: 127 L/min - Main Relief Pressure: 30.5 MPa ## Working Range - Max Digging Depth: **5550 mm** - Max Digging Height: 8480 mm - Max Dumping Height: 6100 mm - Max Horizontal Reach: 8170 mm - Tail Swing Radius: 2140 mm ## Overall Dimensions (transport L×W×H) - Length: **7610 mm** - Width: **2490 mm** - Height: **2830 mm** ## Capacities - Fuel Tank: 250 L - Hydraulic Oil Tank: 140 L