6020B Hydraulic Shovel

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6020B Hydraulic Shovel

You need a shovel that works. A simple, durable digger that gets the job done efficiently and safely. The Cat 6020B is engineered from the ground up with ease of use in mind. It’s easy to assemble, easy to learn, easy to operate and easy to maintain. So you can concentrate on running a safe, productive operation. The new Cat 6020B. It’s not complicated.

General Data

Engine Output – SAE J1995
778 kW (1,043 hp)
Standard Bucket Capacity
Backhoe (heaped 1:1) 12.0 m3 (15.7 yd3)
Operating Weight
Backhoe – 230 tonnes (254 tons)

Operating Weight – Backhoe

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

Centralized Service Area

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

Backhoes

Capacity 2:1
13.8yd3
Capacity Struck
12yd3
Inner Width
9.84ft
Maximum Material Density (loose)
1.8 t/m³ (3,030 lb/yd³)
No. of Teeth
6
Tooth System
Cat C85 system
Total Width
11.32ft
Type
Standard rock bucket
Weight including standard wear package
27180lb
Capacity 1:1
15.7yd3

Electrical System

System Voltage
24V
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
Emergency stop buttons inside cab, accessible from all seating locations, and engine module
Components
Additional ground-level emergency stop
Components
9 LED high-brightness working flood lights: – 7 for working area – 2 for rear end
Components
2 LED high-brightness access flood lights
Components
7 LED service lights
Components
1 beacon lamp on cab roof

Diesel Engine

Alternator
275A
Aspiration
Turbocharged and air-to-air aftercooled
Bore
5.71in
Components
Hydraulically driven radiator fan with variable electronically controlled fan speed
Components
Reversible fan for self cleaning of engine radiator
Components
Micro processed engine management
Components
Heavy-duty air filters
Components
Two-stage fuel filter
Components
Additional high-capacity water separator including electric priming pump
Components
Large fuel tank allows for 24 hour machine operation
Displacement
1959.0in3
Emission Standards
U.S. EPA Tier 2 equivalent
Fuel Tank Capacity
951.0gal
Make and Model
Cat C32 ACERT
Maximum Altitude without Deration above sea level (a.s.l.)
6560.0ft
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
6.38in

Attachment

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

Hydraulic System with Electronic Pump Management

Electronic pump management contains:
Electronic load limit control
Electronic pump management contains:
Dedicated circuit pump allocation
Electronic pump management contains:
Automatic return of main pumps to zero flow
Electronic pump management contains:
Automatic rpm reduction of engine speed during working breaks
Electronic pump management contains:
Reduced oil flow of main pumps at high hydraulic oil temperature and at high engine temperature
Features
Pressure cut-off function for all main pumps
Features
Cooling of pump transmission gear oil
Filters:
Full-flow high-pressure filters (100 μm) for main pumps, installed directly behind each pump
Filters:
Full-flow filters (10 μm) for complete return circuit
Filters:
Full-flow filters (10 μm) for cooling return circuit
Filters:
Pressure filters (6 μm) for servo circuit
Filters:
Transmission oil filter (40 μm)
Main Pumps
6 × variable swash plate pumps
Maximum Pressure, Attachment
4495.0psi
Maximum Pressure, Swing – Acceleration
4495psi
Maximum Pressure, Travel
4495.0psi
Maximum Swing Oil Flow
216.0gal/min
Maximum Total Oil Flow
621.0gal/min
Maximum Pressure, Swing – Deceleration
5080psi
Total Volume of Hydraulic Oil
925gal
Hydraulic Tank Capacity
740gal

Automatic Lubrication System

Capacity of Grease Barrel
54.0gal
Type
Single-circuit progressive system with hydraulically driven heavy-duty pump and electronic time control
Type
Grease supplied to swing roller bearing, all pivot points of attachment, and swing gearbox bearing
Type
System condition and failures displayed by Board Control System

Undercarriage

Bottom Rollers (each side)
8
Components
Forged double-grouser track pads
Gradeability of Travel Drives
Approximately 54%
Maximum Tractive Force
265860lbf
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)
0.68mph
Travel Speed: 2nd Stage (maximum)
1.49mph
Components
Chain links connected by hardened pins and bushings
Components
All running surfaces of sprockets, idlers, rollers and track chain links hardened
Components
Fully hydraulic self-adjusting track tensioning system with accumulator
Components
Automatic hydraulic retarder valve to prevent overspeed on downhill travel
Components
Audible travel alarm

Operator’s Cab

Components
Large cab floor window with removable grating for easy cleaning
Internal Dimensions of Cab: Height
6.79ft
Internal Dimensions of Cab: Length
7.32ft
Internal Dimensions of Cab: Width
5.33ft
New BCS Features:
Robust instrument panel including large (254 mm/10 in) color touch screen
New BCS Features:
On-screen PDF documentation (e.g. operating instructions, technical handbook, spare parts catalog, electric circuit diagram)
New BCS Features:
On-screen troubleshooting assistance
New BCS Features:
Graphical data logging
New BCS Features:
Fault memory capabilities
New BCS Features:
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)
18.04ft
Components
Pneumatically cushioned and multi-adjustable operator seat with lumbar support, safety belt, head- and armrests
Components
Safety switch in operator’s seat for automatic motion shutdown
Components
Joystick integrated in adjustable seat armrest
Components
Full sized trainer seat with safety belt and work table
Components
Auxiliary fold-away seat with safety belt for 3rd person
Components
FOPS (rock guard; approved according to ISO 3449) compliant
Components
Windshield with parallel intermittent wiper/washer
Components
Roller blinds
Components
Machine access via retractable access stairway, stairway angle approximately 45°, hydraulically operated
Components
Additional emergency ladder in close proximity to emergency escape window

Hydraulic Oil Cooling

Diameter of Fan
4.92ft
Features
Cooling system fully independent of all main circuits, i.e. controlled cooling capacity available whenever engine is running
Oil Flow of Cooling Pumps
211.0gal/min
Features
Variable electronically controlled flow of oil through cooler and fan speed
Features
Superior cooling efficiency to ensure optimum oil temperature
Features
Reversible fan for self cleaning of oil cooler

Swing System

Maximum Swing Speed
4.9rpm
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
Features
Open swing circuit with auto slow down when joysticks in neutral
Features
All slew ring raceways and grease tub for internal gearing supplied by automatic, central lubrication system

Engine

Engine Model
Cat® C32 ACERT™
Gross Power – SAE J1995
1043hp
Net Power – SAE J1349
1043hp

Bucket

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

Operating Specifications

Bucket Payload
24tons
Operating Weight
254tons

Working Range

Maximum Digging Depth
26.57ft
Maximum Digging Reach
52.17ft
Maximum Digging Height
45.60ft

Digging Forces

Maximum Tearout Force
146125lb
Maximum Breakout Force
164050lb