卡特 312

We have all the parts for the machinery:ROCK BUCKET/SKELETON BUCKET /LOOSENING BUCKET/CLEANING BUCKET TILT BUCKET/DITCH BUCKET/BUCKET CLAMP/CLAMSHELL BUCKET/ROTARY SCREEN/CRUSHER BUCKET/RUSHER BUCKET CRUSHING AND SCREENING BUCKET/RAKE/RIPPER/THUMB CLIP/COMPACTION WHEEL Business hours,24 hours, holidays and Sundays Address: Shanghai City, China Contact: Wendy Whatsapp: +86 17756597429 Mobile:+86 17756597429 Wechat:17756597429 Email: Packaging Details 1. Flat frame is more suitable for large construction equipment without disassembly. 2. Containers are the cheapest and fastest. 3. Bulk carriers are more suitable for large construction equipment. 4. Ro-ro shipment is fast and suitable for all kinds of machines. You can choose any mode of transportation according to your needs

Brand: Caterpillar (CAT) Model: 312D Medium Crawler Hydraulic Excavator Machine Type: Standard Radius Medium Construction Excavator Condition: GOOD, Original Factory Second-hand Machine, Low Working Hours, No Major Disassembly, No Hydraulic Oil Leakage Application Scenarios: Road Construction, Municipal Engineering, Quarry Loading, Foundation Excavation, Farm Land Reclamation, Pipeline Laying, House Demolition Origin: China CAT Factory Assembled / Japan Original Import Optional Engine Tech: CAT ACERT Emission Control Technology Operating Weight & Weight Data Total Standard Operating Weight (Standard Chassis + 500mm Tracks + 3000mm Stick): 12920 KG / 12.92 Ton Long Undercarriage Version Weight: 13470 KG / 13.47 Ton Ground Contact Pressure (500mm Steel Track Shoe): 42.1 kPa Standard Digging Bucket Weight: 272 KG Full Machine Shipping Weight: 13180 KG Standard Counterweight Mass: 2450 KG Engine System Parameters Engine Brand & Model: CAT C4.2 ACERT 4-Cylinder Water-Cooled Diesel Engine Engine Type: 4-Stroke, Direct Injection, Mechanical Fuel Injection ACERT Tech Number of Cylinders: 4 Cylinders Rated Gross Power: 72 kW / 97 HP @ 2200 RPM Rated Net Power (ISO 9249): 67 kW / 90 HP @ 2200 RPM Max Engine Torque: 412 N·m @ 1500 RPM Displacement: 4.25 L Bore × Stroke: 102 mm × 130 mm Emission Standard: Stage IIIA (Upgradeable to Stage V With Aftertreatment Kit) Fuel Type: Low Sulfur Diesel Fuel Fuel Tank Capacity: 250 L Engine Oil Tank Capacity: 17.5 L Coolant Volume: 17.9 L Engine Advantages: Mature ACERT Technology, Strong Torque Output, Low Failure Rate, Long Maintenance Interval, Stable Continuous Operation Hydraulic System (CAT Original Load Sensing Hydraulic System) Hydraulic Pump Type: Dual Variable Displacement Main Piston Pump + Gear Pilot Pump Total Max Main Pump Combined Flow Rate: 127 L/min Auxiliary Hydraulic Output Flow: 86 L/min (Standard Aux Pipeline for Breaking Hammer, Rock Grapple, Earth Auger) Main Circuit System Working Pressure: 30.5 MPa Travel Circuit Pressure: 35.0 MPa Swing Circuit Pressure: 23.0 MPa Pilot Circuit Working Pressure: 4.1 MPa Hydraulic Oil Tank Volume: 90.7 L Hydraulic Control Mode: Proportional Pilot Joystick Control, Smooth Composite Multi-Action Working Mode Switch: Economy Mode / Power Mode Adjustable Auto Idle Function to Reduce Fuel Consumption During Standby Hydraulic System Features: Stable Hydraulic Output, Strong Digging Force, Easy Maintenance, Low Pressure Loss Working Device & Digging Performance Data Bucket & Stick Size (Bucket / Stick Length Included) Standard Boom Length: 2800 mm Standard Stick (Arm) Length: 3000 mm Standard ISO Heaped Bucket Capacity: 0.52 m³ Bucket Width: 960 mm Bucket Digging Force (ISO Standard): 96 kN Stick Crowd Digging Force (ISO Standard): 62 kN Max Tractive Traction Force: 114 kN Gradeability Climbing Capacity: 70% / 35 Degrees Full Working Range Dimensions Max Digging Reach at Ground Level: 7620 mm Max Vertical Digging Depth: 5150 mm Max Digging Height: 7720 mm Max Dumping Unloading Height: 5530 mm Standard Tail Swing Radius: 2210 mm No Standard Backfill Dozer Blade (Optional Installation) Travel & Rotation System Rotary Motor Type: High Torque Single Speed Hydraulic Swing Motor Upper Structure Swing Speed: 12.4 RPM Max Swing Torque: 31 kN·m Travel Motor: Two-Speed Variable Hydraulic Travel Motor Low Travel Speed: 0 – 3.4 km/h High Travel Speed: 0 – 5.5 km/h Automatic Travel Speed Shift: Auto Switch Low Speed Under Heavy Load Condition Track Shoe Standard Width: 500 mm Steel Track Shoes (Rubber Track Pads Optional) Track Ground Contact Length: 2820 mm Track Adjustment Mode: Grease Cylinder Tension Adjustment