Caterpillar 6020B Base

Specifications of Caterpillar 6020B Base

Undercarriage

• Bottom Rollers (each side) 8
• Components 1 Chain links connected by hardened pins and bushings
• Components 2 Audible travel alarm
• Components 3 Forged double-grouser track pads
• Components 4 All running surfaces of sprockets, idlers, rollers and track chain links hardened
• Components 5 Fully hydraulic self-adjusting track tensioning system with accumulator
• Components 6 Automatic hydraulic retarder valve to prevent overspeed on downhill travel
• Gradeability of travel drives Approximately 54%
• Maximum tractive force 1052 kN (107 t = 236,420 lbf)
• Parking Brakes Wet multiple disc brake, spring loaded/hydraulically released
• Support Rollers (each side) 2 plus slide
• Track Pads (each side) 49
• Travel Drives (each side) 1 planetary transmission with 2 two-stage axial piston motors
• Travel Speed: 1st Stage (maximum) 1.2 km/h
• Travel Speed: 2nd Stage (maximum) 2.7 km/h

OPERATOR’S CAB

• Components 3 Auxiliary fold-away seat with safety belt for 3rd person
• Components 4 Full sized trainer seat with safety belt and work table
• Components 1 Pneumatically cushioned and multi-adjustable operator seat with lumbar support, safety belt, head- and armrests
• Components 10 Large cab floor window with removable grating for easy cleaning
• Components 11 Windshield with parallel intermittent wiper/washer
• Components 2 FOPS (rock guard; approved according to DIN ISO) compliant
• Components 5 Safety switch in operator’s seat for automatic motion shutdown
• Components 6 Joystick integrated in adjustable seat armrest
• Components 7 Additional emergency ladder in close proximity to emergency escape window
• Components 8 Retractable, hydraulically operated boarding ladder
• Components 9 Roller blinds
• Internal Dimensions of Cab: Height 2070.0 mm
• Internal Dimensions of Cab: Length 2230.0 mm
• Internal Dimensions of Cab: Width 1625.0 mm
• New BCS Features Graphical data logging
• New BCS Features: On-screen troubleshooting assistance
• New BCS Features: 2 On-screen PDF documentation (e.g. operating instructions, technical handbook, spare parts catalog, electric circuit diagram)
• New BCS Features: 3 Robust instrument panel including large (254 mm/10 in) color touch screen
• New BCS Features: 4 USB, Lan (TCP/IP) and CAN BUS interfaces for data export
• New BCS Features: 5 Fault memory capabilities
• New Board Control System (BCS) Features: Electronic monitoring, data logging and diagnostic system for vital signs & service data of engines, hydraulic & lube system
• Operator’s Eye Level (approximate) 5.5 m

General Data

• Engine Output - SAE J1995 778 kW (1,043 hp)
• Operating Weight 220 tonnes (240 tons)
• Standard Bucket Capacity 12 m³ (15.7 yd³)

ELECTRICAL SYSTEM

• Batteries (12V each) 6 × 210 Ah
• Batteries (12V each) - In Series/Parallel Installation 630 Ah - 24V
• Battery isolation relays manual lockable disconnect switch and automatic disconnect relay
• Components 1 Additional ground-level emergency stop
• Components 2 Emergency stop buttons inside cab, accessible from all seating locations, and engine module
• System Voltage 24V
• Working spotlights – Cummins Version 6 high brightness LED lights; 4 × front/2 × rear

HYDRAULIC OIL COOLING

• Diameter of Fan 1500.0 mm
• Features 1 Cooling system fully independent of all main circuits, i.e. controlled cooling capacity available whenever engine is running
• Features 2 Variable electronically controlled flow of oil through cooler and fan speed
• Features 3 Superior cooling efficiency to ensure optimum oil temperature
• Features 4 Reversible fan for self cleaning of oil cooler
• Oil Flow of Cooling Pumps 800.0 L/min

SWING SYSTEM

• Features 1 Open swing circuit with auto slow down when joysticks in neutral
• Features 2 All slew ring raceways and grease tub for internal gearing supplied by automatic, central lubrication system
• Maximum Swing Speed 4.9 RPM
• Parking Brake Wet multiple-disc brake, spring-loaded/hydraulically released
• Swing Drives 2 compact planetary transmissions with axial piston motors
• Swing Ring Triple-race roller bearing with sealed internal gearing

AUTOMATIC LUBRICATION SYSTEM

• Capacity of grease drum 205.0 L
• Type 1 Grease supplied to swing roller bearing, all pivot points of attachment, and swing gearbox bearing
• Type 2 System condition and failures displayed by Board Control System
• Type 3 Single-circuit progressive system with hydraulically driven heavy-duty pump and electronic time control

DIESEL ENGINES

• Alternators 275A
• Aspiration Turbocharged and air-to-air aftercooled
• Bore 145.0 mm
• Components 1 Large fuel tank allows for 24 hour machine operation
• Components 2 Additional high-capacity water separator including electric priming pump
• Components 3 Hydraulically driven radiator fan with variable electronically controlled fan speed
• Components 4 Reversible fan for self cleaning of engine radiator
• Components 5 Micro processed engine management
• Components 6 Heavy-duty air filters
• Components 7 Two-stage fuel filter
• Emission Certification U.S. EPA Tier 4 Capable Flex
• Fuel tank capacity 3600.0 L
• Make and model Cat® C32 (Tier 2)
• Maximum Altitude without Deration above sea level (a.s.l.) 2000.0 m
• No. of Cylinders 12
• Rated Gross Power SAE J1995 778 kW (1,043 hp, 1,800 min-1)
• Rated Net Power ISO 3046/1 778 kW (1,043 hp, 1,800 min-1)
• Rated Net Power SAE J1349 778 kW (1,043 hp, 1,800 min-1)
• Stroke 162.0 mm

ATTACHMENTS

• Buckets equipped with: - Special liner material covering main wear areas inside and outside - Lip shrouds - Wing shrouds - Heel shrouds
• Type 1 Catwalks with rails at boom
• Type 2 Float valve for boom down function
• Type 3 High‑tensile steel with solid steel castings at pivot areas
• Type 4 Boom and stick stress-relieved after welding
• Type 5 Boom and stick torsion-resistant with welded box design

DIGGING FORCES

• Maximum Breakout Force 665.0 kN
• Maximum Crowd Force 640.0 kN

OPERATING WEIGHT - BACKHOE

• Ground Pressure 21.3 N/cm² (30.9 psi)
• Operating Weight 220000.0 kg
• Standard Track Pads 800.0 mm

HYDRAULIC SYSTEM WITH ELECTRONIC PUMP MANAGEMENT

• Electronic pump management contains: Reduced oil flow of main pumps at high hydraulic oil temperature and at high engine temperature
• Electronic pump management contains: 2 Automatic rpm reduction of engine speed during working breaks
• Electronic pump management contains: 3 Automatic return of main pumps to zero flow
• Electronic pump management contains: 4 Dedicated circuit pump allocation
• Electronic pump management contains: 5 Electronic load limit control
• Features 1 Cooling of pump transmission gear oil
• Features 2 Pressure cut-off function for all main pumps
• Filters 1 Pressure filters (6 μm) for servo circuit
• Filters 2 Transmission oil filter (40 μm)
• Filters 3 Full-flow filters (10 μm) for cooling return circuit
• Filters 4 Full-flow filters (10 μm) for complete return circuit
• Filters 5 Full-flow high-pressure filters (100 μm) for main pumps, installed directly behind each pump
• Main Pumps 6 × variable swash plate pumps
• Maximum Pressure, Attachment 310.0 bar
• Maximum Pressure, Swing 350.0 bar
• Maximum Pressure, Travel 310.0 bar
• Maximum Swing Oil Flow 783.0 L/min
• Maximum Total Oil Flow 2350.0 L/min

CENTRALIZED SERVICE AREA

• Equipped with: 1 Quick couplings for: - Diesel fuel - Engine coolant - Pump transmission gear oil - Engine oil (oil pan) - Hydraulic oil
• Equipped with: 2 Indicator light for hydraulic tank full
• Equipped with: 3 Cat jump-start socket
• Features Centralized service area accessible from ground level.

WORKING RANGE

• Maximum Digging Depth 8.1 m
• Maximum Digging Height 13.9 m
• Maximum Digging Reach 15.9 m

BACKHOES

• Capacity 1:1 12.0 m3
• Capacity 2:1 10.5 m3
• Capacity Struck 9.0 m3
• Inner Width 3000.0 mm
• Maximum Material Density (loose) 1.8 t/m³ (3,030 lb/yd³)
• No. of Teeth 6
• Tooth System Cat C85 penetration tip with CapSure lock
• Total Width 3410.0 mm
• Type Standard rock bucket
• Weight including standard wear package 12400.0 kg