6020B Hydraulic Shovel

6020B Hydraulic Shovel

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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

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

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
Emergency stop buttons inside cab, accessible from all seating locations, and engine module
Components
Additional ground-level emergency stop
System Voltage
24V
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

Hydraulic Oil Cooling

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

Operator’s Cab

New BCS Features:
On-screen troubleshooting assistance
Components
Large cab floor window with removable grating for easy cleaning
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:
Fault memory capabilities
New BCS Features:
USB, Lan (TCP/IP) and CAN BUS interfaces for data export
New BCS Features:
Robust instrument panel including large (254 mm/10 in) color touch screen
New BCS Features:
Graphical data logging
New BCS Features:
On-screen troubleshooting assistance
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
Components
Machine access via retractable access stairway, stairway angle approximately 45°, hydraulically operated
Components
Additional emergency ladder in close proximity to emergency escape window
Components
Roller blinds
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

Swing 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
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

Undercarriage

Bottom Rollers (each side)
8
Components
Forged double-grouser track pads
Gradeability of 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 mph
Travel Speed: 2nd Stage (maximum)
1.49 mph
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

Automatic Lubrication System

Capacity of Grease Barrel
54.0 gal
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

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

Digging Forces

Maximum Breakout Force
149450.0 lb
Maximum Crowd Force
143830.0 lb
Maximum Tearout Force
146125 lb
Maximum Breakout Force
164050 lb

Operating Weight – Backhoe

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

Diesel Engine

Components
Additional high-capacity water separator including electric priming pump
Alternator
275A
Aspiration
Turbocharged and air-to-air aftercooled
Bore
5.71 in
Components
Hydraulically driven radiator fan with variable electronically controlled fan speed
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
1959.0 in3
Emission Standards
U.S. EPA Tier 2 equivalent
Fuel Tank Capacity
951.0 gal
Make and Model
Cat C32 ACERT
Maximum Altitude without Deration above sea level (a.s.l.)
6560.0 ft
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
6.38 in

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
4495.0 psi
Maximum Pressure, Swing – Acceleration
4495 psi
Maximum Pressure, Travel
4495.0 psi
Maximum Swing Oil Flow
216.0 gal/min
Maximum Total Oil Flow
621.0 gal/min
Maximum Pressure, Swing – Deceleration
5080 psi
Total Volume of Hydraulic Oil
925 gal
Hydraulic Tank Capacity
740 gal

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.

Working Range

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

Backhoes

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

Engine

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

Bucket

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

Operating Specifications

Bucket Payload
24 tons
Operating Weight
254 tons
  • SUPERSTRUCTURE
    • Cold-weather package
    • Lube fast fill port
  • ENGINE
    • U.S. EPA Tier 4 Interim equivalent engine
  • CAB
    • Redundant HVAC system
    • Camera system
    • Cat MineStar ready (Health, Fleet, Terrain, and Detect)
  • UNDERCARRIAGE
    • Rough terrain undercarriage protection kit including belly plate and rear plumbing guard
  • ATTACHMENT
    • Work lights on boom
  • BUCKETS
    • 12.0 m3 (15.7 yd3) backhoe with abrasive wear package for 1.8 t/m3 (3,030 lb/yd3) density
    • Additional buckets available, based on application, through your local Cat dealer