6020B Hydraulic Shovel

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Overview
Specifications

When we invited our customers to help us design the first of our “Next Generation” Cat^® hydraulic shovels, they gave us three top priorities: Make it safe, keep it simple and make it reliable. We responded by developing the Cat 6020B, which delivers the simplicity and versatility you desire, with valuable modern design features that set it apart from the competition.

The 6020B offers class-leading visibility and a cab designed for comfort, safety and efficiency. A walk-through and exchangeable power module contributes to easier serviceability. The 6020B is 25% more fuel efficient than other shovels in its class, delivering efficiency and cost advantages. And the proven C32 engine meets emission standards without the need for DEF, saving time and cost during maintenance.

General

Engine Output - SAE J1995: 1040 HP
Bucket Payload: 23.8 ton (US)
Operating Weight: 253.8 ton (US)
Note: Specifications shown above apply to a Backhoe configuration. A frontless configuration is also available.
Standard Bucket Capacity: 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): Emergency stop buttons inside cab, accessible from all seating locations, and engine module
Components (2): Additional ground-level emergency stop
Components (3): 9 LED high-brightness working flood lights: – 7 for working area
– 2 for rear end
System Voltage: 24V
Components (4): 2 LED high-brightness access flood lights
Components (5): 7 LED service lights
Components (6): 1 beacon lamp on cab roof

Hydraulic Oil Cooling

Diameter - Fan: 4.92 ft
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
Oil Flow of Cooling Pumps: 211 gal/min

Operator's Cab

Components (1): Large cab floor window with removable grating for easy cleaning
Components (10): Machine access via retractable access stairway, stairway angle approximately 45°, hydraulically operated
Components (11): Additional emergency ladder in close proximity to emergency escape window
Components (2): Pneumatically cushioned and multi-adjustable operator seat with lumbar support, safety belt, head- and armrests
Components (3): Safety switch in operator's seat for automatic motion shutdown
Components (4): Joystick integrated in adjustable seat armrest
Components (5): Full sized trainer seat with safety belt and work table
Components (6): Auxiliary fold-away seat with safety belt for 3rd person
Components (7): Operator Protective Guard (rock guard; approved according to ISO 10262:1998 [Top Guard]) compliant
Components (8): Windshield with parallel intermittent wiper/washer
Components (9): Roller blinds
Internal Dimensions of Cab - Height: 6.79 ft
Internal Dimensions of Cab - Length: 7.32 ft
Internal Dimensions of Cab - Width: 5.33 ft
New BCS Features (1): Robust instrument panel including large (254 mm/10 in) color touch screen
New BCS Features (2): On-screen troubleshooting assistance
New BCS Features (3): Graphical data logging
New BCS Features (4): Fault memory capabilities
New BCS Features (5): USB, Lan (TCP/IP) and CAN BUS interfaces for data export
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): 18.04 ft

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 r/min
Parking Brake: Wet multiple-disc brake, spring-loaded/hydraulically released
Swing Drive: 2 compact planetary transmissions with axial piston motors
Swing Ring: Triple-race roller bearing with sealed internal gearing

Undercarriage

Bottom Rollers - Each Side: 8
Components (1): Forged double-grouser track pads
Components (2): Chain links connected by hardened pins and bushings
Components (3): All running surfaces of sprockets, idlers, rollers and track chain links hardened
Components (4): Fully hydraulic self-adjusting track tensioning system with accumulator
Components (5): Automatic hydraulic retarder valve to prevent overspeed on downhill travel
Components (6): Audible travel alarm
Gradeability - Travel Drives: Approximately 54%
Maximum Tractive Force: 265860 lbf
Parking Brakes: Wet multiple disc brake, spring loaded/hydraulically released
Support Rollers - Each Side: 3
Track Pads - Each Side: 45
Travel Drives - Each Side: 1 planetary transmission with 2 two-stage axial piston motors
Travel Speed - 1st Stage - Maximum: 0.68 mile/h
Travel Speed - 2nd Stage - Maximum: 1.49 mile/h

Automatic Lubrication System

Capacity - Grease Barrel: 54 gal (US)
Type (1): Single-circuit progressive system with hydraulically driven heavy-duty pump and electronic time control
Type (2): Grease supplied to swing roller bearing, all pivot points of attachment, and swing gearbox bearing
Type (3): System condition and failures displayed by Board Control System

Attachment

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

Operating Weights - Backhoe

Ground Pressure: 31.9 psi
Operating Weight: 507500 lb
Standard Track Pads: 2.62 ft

Hydraulic System with Electronic Pump Management

Electronic Pump Management Contains (1): Electronic load limit control
Electronic Pump Management Contains (2): Dedicated circuit pump allocation
Electronic Pump Management Contains (3): Automatic return of main pumps to zero flow
Electronic Pump Management Contains (4): Automatic rpm reduction of engine speed during working breaks
Electronic Pump Management Contains (5): Reduced oil flow of main pumps at high hydraulic oil temperature and at high engine temperature
Features (1): Pressure cut-off function for all main pumps
Features (2): Cooling of pump transmission gear oil
Filters (1): Full-flow high-pressure filters (100 μm) for main pumps, installed directly behind each pump
Filters (2): Full-flow filters (10 μm) for complete return circuit
Filters (3): Full-flow filters (10 μm) for cooling return circuit
Filters (4): Pressure filters (6 μm) for servo circuit
Filters (5): Transmission oil filter (40 μm)
Main Pumps: 6 × variable swash plate pumps
Maximum Pressure - Attachment: 4495 psi
Maximum Pressure - Swing - Acceleration: 4495 psi
Maximum Pressure - Travel: 4495 psi
Maximum Swing Oil Flow: 216 gal/min
Maximum Total Oil Flow: 621 gal/min
Hydraulic Tank Capacity: 740 gal (US)
Maximum Pressure - Swing - Deceleration: 5080 psi
Total Volume of Hydraulic Oil: 925 gal (US)

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): Cat jump-start socket
Equipped With (3): Indicator light for hydraulic tank full
Features: Centralized service area accessible from ground level.

Bucket

Standard Bucket Capacity - Backhoe (Heaped 1:1): 15.7 yd³

Digging Forces

Maximum Breakout Force: 164050 lb
Maximum Tearout Force: 146125 lb

Operating Specifications

Bucket Payload: 24 Sh Ton
Operating Weight: 254 ton (US)

Working Ranges

Maximum Digging Depth: 26.57 ft
Maximum Digging Height: 45.6 ft
Maximum Digging Reach: 52.17 ft

Engine - U.S. EPA Tier 4 Final

Gross Power - SAE J1995: 1033 HP
Engine Model: Cat® C32 ACERT™
Net Power - SAE J1349: 1019 HP

Diesel Engine - Equivalent to Tier 2

Alternator: 275A
Aspiration: Turbocharged and air-to-air aftercooled
Bore: 5.71 in
Components (1): Hydraulically driven radiator fan with variable electronically controlled fan speed
Components (2): Micro processed engine management
Components (3): Heavy-duty air filters
Components (4): Two-stage fuel filter
Components (5): Additional high-capacity water separator including electric priming pump
Components (6): Large fuel tank allows for 24 hour machine operation
Displacement: 1959 in³
Fuel Tank Capacity: 951 gal (US)
Make and Model: Cat C32 ACERT
Maximum Altitude without Deration: 3622 m (11,884 ft) – above sea level (a.s.l.)
No. of Cylinders: 12
Rated Speed: 1800 min-1 (1,800 rpm)
Stroke: 6.38 in

Diesel Engine - Lesser Regulated

Emissions: Meets China Nonroad Stage III emissions standards, equivalent to Tier 2
Gross Power - SAE J1995: 1040 HP
Net Power - ISO 9249: 1037 HP
Net Power - SAE J1349: 1032 HP

Diesel Engine - Tier 4 Final

Alternator: 275A
Aspiration: Turbocharged and air-to-air aftercooled
Bore: 5.71 in
Components (1): Cat NOx reduction system
Components (2): Dual Diesel Oxidation Catalysts (DOCs)
Components (3): MEUI™-C fuel system
Components (4): Hydraulically driven radiator fan with variable electronically controlled fan speed
Components (5): Micro processed engine management
Components (6): Heavy-duty air filters
Components (7): Two-stage fuel filter
Components (8): Additional high-capacity water separator including electric priming pump
Components (9): Large fuel tank allows for 24 hour machine operation
Displacement: 1959 in³
Fuel Tank Capacity: 951 gal (US)
Make and Model: Cat C32 ACERT
Maximum Altitude without Deration: 2925 m (9,600 ft) – above sea level (a.s.l.)
No. of Cylinders: 12
Rated Speed: 1,800 min-1 (1,800 rpm)
Stroke: 6.38 in

360° Exterior View

360° Interior View