THIS IS MY SELECT
Mini Excavators
305.5E2 CR Mini Hydraulic Excavator
Net Power
44.1 HP
Operating Weight
11,958 lb
Dig Depth
152 in
THIS IS MY SELECT
backhoe loader
305.5E2 CR Mini Hydraulic Excavator
Net Power
44.1 HP
Operating Weight
11,958 lb
Dig Depth
152 in
Specifications
The Cat® 305.5E2 CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
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Width
78 in
1,980 mm
Height
14.8 in
375 mm
Dig Depth
21.9 in
555 mm
Lift Height
15.9 in
405 mm
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Hydraulic Tank
18 gal (US)
68.3 l
Fuel Tank
16.6 gal (US)
63 l
Engine Oil
2.5 gal (US)
9.5 l
Hydraulic System
20.6 gal (US)
78 l
Cooling System
2.8 gal (US)
10.5 l
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Net Power
44.1 HP
32.9 kW
Engine Model
93.0 in
93.0 mm
Cat® C2.4
Displacement
146 in³
2.4 l
Emissions
93.0 in
93.0 mm
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
44.1 HP
32.9 kW
Bore
3.4 in
87 mm
Stroke
4 in
102.4 mm
Gross Power - ISO 14396
45.7 HP
34.1 kW
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Operating Pressure - Travel
3,553 psi
245 bar
Digging Force - Stick - Standard
6,500 lb
28.9 kN
Maximum Auxiliary Circuit - Secondary - Pressure
3,553 psi
24,500 kPa
Maximum Auxiliary Circuit - Secondary - Flow
6.6 gal/min
25 l/min
Maximum Auxiliary Circuit - Primary - Flow
21.1 gal/min
80 l/min
Type
93.0 in
93.0 mm
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Swing
3,132 psi
216 bar
Digging Force - Bucket
11,445 lb
50.9 kN
Maximum Auxiliary Circuit - Primary - Pressure
3,553 psi
24,500 kPa
Operating Pressure - Equipment
3,553 psi
245 bar
Pump Flow at 2,400 rpm
39.6 gal/min
150 l/min
Digging Force - Stick - Long
5,575 lb
24.8 kN
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Machine Swing Speed
10 r/min
10 r/min
Boom Swing - Left - Without Stop*
93.0 in
93.0 mm
80°
Note
93.0 in
93.0 mm
*Automatic swing brake, spring applied, hydraulic release.
Boom Swing - Left - With Stop*
93.0 in
93.0 mm
60°
Boom Swing - Right
93.0 in
93.0 mm
50°
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Blade Up - Side
2,535 lb
1,150 kg
Blade Up - Front
3,417 lb
1,550 kg
Blade Down - Front
5,710 lb
2,590 kg
Blade Down - Side
2,844 lb
1,290 kg
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Air Conditioning
93.0 in
93.0 mm
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes.
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Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
97 dB(A)
97 dB(A)
Note
93.0 in
93.0 mm
*European Union Directive “2000/14/EC”
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Top Guard
93.0 in
93.0 mm
ISO 10262 (Level I)
Roll Over Protective Structure (ROPS)
93.0 in
93.0 mm
ISO 12117-2
Tip Over Protective Structure (TOPS)
93.0 in
93.0 mm
ISO 12117
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Blade Up - Side
1,367 lb
620 kg
Blade Down - Side
1,521 lb
690 kg
Blade Up - Front
1,808 lb
820 kg
Blade Down - Front
3,042 lb
1,380 kg
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Stick Length - Standard
55 in
1,420 mm
Counterweight
364.4 lb
165.3 kg
Stick Length - Long
70 in
1,820 mm
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Dig Depth
152 in
3,870 mm
Maximum Reach
243 in
6,170 mm
O/A Track Width
78 in
1,980 mm
Boom In Reach
100 in
2,530 mm
O/A Undercarriage Length
102 in
2,580 mm
Boom Height - Shipping Position
85 in
2,150 mm
Boom Swing - Left
27 in
695 mm
Maximum Dig Height
220 in
5,590 mm
Swing Bearing - Height
24 in
615 mm
Track Belt/Shoe Width
16 in
400 mm
Tail Swing
44 in
1,130 mm
Maximum Blade Height
16 in
405 mm
Maximum Reach - Ground Level
237 in
6,020 mm
Maximum Dump Clearance
161 in
4,080 mm
Boom Swing - Right
31 in
785 mm
O/A Shipping Length
215 in
5,460 mm
Vertical Wall
107 in
2,730 mm
O/A Shipping Height
100 in
2,550 mm
Maximum Blade Depth
22 in
555 mm
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Tail Swing
44 in
1,130 mm
Boom In Reach
94 in
2,400 mm
O/A Shipping Height
100 in
2,550 mm
O/A Track Width
78 in
1,980 mm
Boom Swing - Left
27 in
695 mm
Boom Swing - Right
31 in
785 mm
Boom Height - Shipping Position
69 in
1,740 mm
Swing Bearing - Height
24 in
615 mm
Vertical Wall
92 in
2,330 mm
Maximum Dump Clearance
150 in
3,820 mm
Maximum Reach - Ground Level
222 in
5,630 mm
Maximum Reach
228 in
5,790 mm
Dig Depth
137 in
3,470 mm
O/A Shipping Length
210 in
5,330 mm
Maximum Blade Height
16 in
405 mm
Maximum Dig Height
210 in
5,330 mm
Maximum Blade Depth
22 in
555 mm
Track Belt/Shoe Width
16 in
400 mm
O/A Undercarriage Length
102 in
2,580 mm
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Gradeability - Maximum
93.0 in
93.0 mm
30°
Ground Pressure - Cab
4.6 psi
31.9 kPa
Maximum Traction Force - Low Speed
10,746 lb
47.8 kN
Travel Speed - Low
1.7 mile/h
2.8 km/h
Ground Pressure - Canopy
4.5 psi
31 kPa
Maximum Traction Force - High Speed
6,025 lb
26.8 kN
Travel Speed - High
2.8 mile/h
4.5 km/h
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Track Roller Type
93.0 in
93.0 mm
Center Flange
Number of Carrier Rollers
93.0 in
93.0 mm
1
Number of Track Rollers
93.0 in
93.0 mm
4
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Operating Weight
11,958 lb
5,423 kg
Note
93.0 in
93.0 mm
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Canopy, Standard Stick
11,503 lb
5,217 kg
Weight - Cab, Long Stick
11,958 lb
5,423 kg
Weight - Cab, Standard Stick
11,863 lb
5,380 kg
Weight - Canopy, Long Stick
11,596 lb
5,259 kg
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ENGINE
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Cat C2.4 diesel engine (meets U.S. EPA Tier 4 Final emission standards for North America and EU Stage IIIA/Tier 4 Interim emission standards for all other regions)
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Automatic engine idle
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Automatic engine shut-off
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Automatic two speed travel
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Diesel Particulate Filter (North America only)
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Diesel Oxidation Catalyst (North America only)
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Fuel and water separator
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Power on demand
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HYDRAULIC SYSTEM
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1-way and 2-way (combined function)
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Accumulator
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Automatic swing parking brake
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Auxiliary hydraulic lines
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Adjustable auxiliary relief
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Auxiliary line quick disconnects
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Cat interlock system: hydraulic lockout
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Continuous auxiliary flow
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Ecology drain
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Hydraulic oil cooler
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High definition hydraulics
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Load sensing/flow sharing
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OPERATOR ENVIRONMENT
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100% pilot control ergonomic joysticks
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Adjustable armrests
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COMPASS: complete, operation, maintenance, performance and security system Multiple languages
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Cup holder
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Hydraulic neutral lockout bar
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Literature holder
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Pattern changer (optional in Europe)
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Site reference system: leveling
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Tool storage area
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Travel control pedals with hand levers
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Washable floor mat
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UNDERCARRIAGE
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Dozer blade with float function
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Track, rubber belt, 400 mm (16 in) width
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Tie down eyes on track frame
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Towing eye on base frame
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FRONT LINKAGE
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200 degree bucket rotation
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Certified lifting eye on bucket linkage (optional in Europe)
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Front shovel capable
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Thumb ready stick
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ELECTRICAL
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12 volt electrical system
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60 ampere alternator
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650 CCA maintenance free battery
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Fuse box
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Ignition key start/stop switch
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Slow blow fuse
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Warning horn
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LIGHTS AND MIRRORS
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SAFETY AND SECURITY
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Anti-theft system (COMPASS)
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Caterpillar Corporate “One Key” System
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Door locks
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Lockable fuel cap
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Retractable seat belt
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Roll Over Protective Structure (ROPS) (ISO 12117-2)
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Tip Over Protective Structure (TOPS) (ISO 12117)
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Top guard – ISO 10262 (Level 1)
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Travel alarm (optional in Europe)
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TECHNOLOGY
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ENGINE
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HYDRAULIC SYSTEM
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Quick coupler lines
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Boom lowering check valve
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Stick lowering check valve
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Secondary auxiliary hydraulic lines
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OPERATOR ENVIRONMENT
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UNDERCARRIAGE
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Power angle blade
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Track, double grouser (steel), 400 mm (16 in)
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Track, double grouser (steel) with rubber pad, 400 mm (16 in)
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FRONT LINKAGE
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Quick coupler: manual or hydraulic
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Thumb
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Buckets
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Full range of performance matched work tools Auger, hammer, ripper
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LIGHTS AND MIRRORS
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Light, cab with time delay capability
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Mirror, canopy right
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Mirror, canopy left
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Mirror, cab rear
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SAFETY AND SECURITY
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Battery disconnect
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Beacon socket
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Front wire mesh guard
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Rearview camera
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Vandal guard
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OTHER ATTACHMENTS
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WHY CHOOSE EMPIRE
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Every purchase backed by a full menu of service and support offerings
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Flexible financing options designed to fit your budget
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Commitment to providing expert training to maximize operations
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Value Agreements to ensure proper maintenance and performance