SEM680D 

High Reliability: Proven technology Axles and Transmission & world class hydraulics offer best in class reliability

High Efficiency : Low noise & higher torque transmission, load sensing dual-variable flow merging Hydraulics, offers fuel savings

Safety & Comfort: Fully hydraulic brake system, Ergonomically designed AC Cabin

Smart & environmental friendly : Cat product link connectivity, Automatically controlled Hydraulic cooling fan, lower fuel consumption and lower noise

Optimized Engine

• Perkins 2206D Engine delivering 232 KW @ 1800rpm
• Perkins' fully validated Mechanically actuated Electronic Unit Injector (MEUI) provides consistent reliability and durability
• Engine block and Cylinder head made out of grey cast iron. Wall design offers reduced sound levels and increased rigidity
• Integral all-steel piston, forged connecting rod provides high reliability, cylinder liners are replaceable

Efficient Hydraulic System

• Single Joystick lever with pilot hydraulic control and KD (Kick Down) function
• Load sensing dual-variable flow merging hydraulic system enables faster response time, more efficiency, energy saving and more efficient traction
• Key hydraulic components are supplied by renowned global suppliers ensuring improved reliability
• Hydraulically driven automatically controlled Cooling fan ensures low fuel consumption, lower noise and improved cooling efficiency
• Load sensing steering system with good controllability and high flexibility
• Integrated Hydraulic valve uses Caterpillar technology to achieve simultaneous boom raise and bucket dump operations

Operator Station

• Ergonomically designed cab, wide viewing area with stereoscopic feeling
• Multi-directional adjustable mechanical suspension seat, fresh air pressurized system; More comfortable setting to drive, the operator can work longer time continuously
• Optional Rear Camera with monitoring system, for safe operation and more comfort
• Combined progressive instrument with three-level alarm, which can display fault codes, shift information, etc., the safety information is clear and accurate
• Full hydraulic brake disengaging function can reduce brake overheating and extend the life of brake components

Reliable Drivetrain

• design transmission has Electrohydraulic control valve and single clutch speed shift. Operator can choose between Auto / Manual speed shifts. Kick Down feature provides high quality shifting experience and comfort
• Planetary gear design with high power density ensures a compact structure, light weight and smooth transmission
• cast aluminum torque converter with free wheel stator provides 5% higher efficiency
• Classic 4 segment axle technology from caterpillar - proven technology with higher reliability
• Multiple disc, wet type, built-in service brakes for stable performance and longer life. Easy to observe the wear of the friction discs
• Hydraulic caliper disc brake for parking with stable performance

Advanced Cooling System

• Cooling system adopts technology, better cooling efficiency and more reliable
• High ambient cooling package enables continuous working even at an ambient temperature of 50°C
• High efficiency suspension mounts are installed on the cooling package which ensure reliability in heavy loping work condition

Solid Structure

• 4-piece tower design of front frame ensures higher torsional strength
• Box section design of rear frame offers improved reliability
• Performance Series Bucket design ensures better penetration and 110% fill factor

Serviceability

• Modular design of transmission and torque convertor make the repair and service easier
• Centralized lubrication points make maintenance easy
• Pressure testing ports and SOS sampling ports available for hydraulics and braking System which make diagnose easier
• Large spread articulation design good for maintenance and service
• Both transmission and engine with self diagnose system make service easy
• Optional automatic lubrication system for simple and reliable maintenance

Safety

• Production System (CPS) compliant manufacturing process
• 3-point contact is ensured for operator and technician to climb up/down the machine
• Backup alarm and backup lights ensure machine safety
• The painting process is environmentally friendly without heavy metal pollution
• Dual steering stop plate design reduces steering impact and improves comfort
• Optional rear view monitoring system offers better view for safe and comfortable operations

Machine Applications

• It can be widely used in high productivity demand applications, ports, aggregates, mining and quarry
• Also suitable for loose materials operations, such as sand and coal yard and job construction site
• Load more, quick response and low fuel consumption

  Operating Weight (kg)			24140
  Rated Load (kg)			8000
  Bucket Heaped Capacity (m3)			4.0CB
  Overall dimension  (mm)			9166*3220*3566
  Traction Force (kn)			224
  Minimum Turning Radius (mm)			7891
  Steering Angle (°)			35
  ENGINE MODEL			PERKINS 2206D
  Rated Power (KW)			232
  Rated Speed (rpm)			1800
  Displacement(L)			13
  TRANSMISSION Type			TR35
  Transmission Type			Hydro electric control  transmission
  Torque Converter			Single stage three ekement centripetal
  Gear shift			F4/R4
  Forward	Forward/Reverse Gear 1 (km/h)		7.2/8.1
  	Forward/Reverse Gear 2 (km/h)		12.3/14
  	Forward/Reverse Gear 3 (km/h)		21.5/24.5
  	Forward/Reverse Gear 4 (km/h)		37/41
  AXLES	Inclination (°)		30
  	Wheel Tread (mm)		3001
  	Ground Clearance (mm)		469
  	Main Drive Reduction Type		Spiral bevel gear single stage
  	Ffinal Drive Reduction Type		Planetary type one grade
  	Oscillating Angle		13
  BRAKE	Service Brake		Multi-disc wet type
  	Parking Brake		hydraulic caliper
  WORKING EQUIPMENT	Maximum Breaking Force (kn)		224
  	Dumping Height (mm)		3204
  	Dumping Reach (mm)		1319
  	With Pilot Control (mm)		YES
  HYDRAULIC SYSTEM		Rated Pressure (MPa)	30
  		Lifting Time (sec)	5.64
  		Total Time (sec)	10.2
  TIRES		Size	26.5-25
  		Layer	24
  		Pattern Type	L3/E3