Excavators

305.5E2 CR Mini Hydraulic Excavator

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Specification Summary

Engine Model
Cat® C2.4
Net Power
44.1 HP
Machine Swing Speed
10 r/min
Width
78 in
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Engine

Engine Model
Cat® C2.4
Net Power
44.1 HP
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
44.1 HP
Bore
3.4 in
Displacement
146 in³
Stroke
4 in
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396
45.7 HP

Weights*

Weight - Canopy, Standard Stick
11503 lb
Operating Weight
11958 lb
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick
11958 lb
Weight - Cab, Standard Stick
11863 lb
Weight - Canopy, Long Stick
11596 lb

Travel System

Travel Speed - High
2.8 mile/h
Travel Speed - Low
1.7 mile/h
Maximum Traction Force - High Speed
6025 lb
Maximum Traction Force - Low Speed
10746 lb
Gradeability - Maximum
30°
Ground Pressure - Cab
4.6 psi
Ground Pressure - Canopy
4.5 psi

Hydraulic System

Auxiliary Circuit - Primary (186 bar/2,734 psi)
21.1 gal/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6 gal/min
Pump Flow at 2,400 rpm
39.6 gal/min
Operating Pressure - Equipment
3553 psi
Operating Pressure - Travel
3553 psi
Operating Pressure - Swing
3132 psi
Digging Force - Stick - Standard
6500 lb
Digging Force - Stick - Long
5575 lb
Digging Force - Bucket
11445 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

Machine Swing Speed
10 r/min
Boom Swing - Left - With Stop*
60°
Boom Swing - Left - Without Stop*
80°
Boom Swing - Right
50°
Note
*Automatic swing brake, spring applied, hydraulic release.

Blade

Width
78 in
Height
14.8 in
Dig Depth
21.9 in
Lift Height
15.9 in

Service Refill Capacities

Cooling System
2.8 gal (US)
Engine Oil
2.5 gal (US)
Fuel Tank
16.6 gal (US)
Hydraulic System
20.6 gal (US)
Hydraulic Tank
18 gal (US)

Air Conditioning System

Air Conditioning
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.

Lift Capacities at Ground Level - Lift Point Radius: 4500 mm (14'9”)

Blade Down - Front
3042 lb
Blade Up - Front
1808 lb
Blade Down - Side
1521 lb
Blade Up - Side
1367 lb

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
97 dB(A)
Note
*European Union Directive “2000/14/EC”

Certification - Cab and Canopy

Roll Over Protective Structure (ROPS)
ISO 12117-2
Tip Over Protective Structure (TOPS)
ISO 12117
Top Guard
ISO 10262 (Level I)

Dimensions - Long Stick

Boom Height - Shipping Position
85 in
Boom In Reach
100 in
Boom Swing - Left
27 in
Boom Swing - Right
31 in
Dig Depth
152 in
Maximum Blade Depth
22 in
Maximum Blade Height
16 in
Maximum Dig Height
220 in
Maximum Dump Clearance
161 in
Maximum Reach
243 in
Maximum Reach - Ground Level
237 in
O/A Shipping Height
100 in
O/A Shipping Length
215 in
O/A Track Width
78 in
O/A Undercarriage Length
102 in
Swing Bearing - Height
24 in
Tail Swing
44 in
Track Belt/Shoe Width
16 in
Vertical Wall
107 in

Dimensions - Standard Stick

Boom Height - Shipping Position
69 in
Boom In Reach
94 in
Boom Swing - Left
27 in
Boom Swing - Right
31 in
Dig Depth
137 in
Maximum Blade Depth
22 in
Maximum Blade Height
16 in
Maximum Dig Height
210 in
Maximum Dump Clearance
150 in
Maximum Reach
228 in
Maximum Reach - Ground Level
222 in
O/A Shipping Height
100 in
O/A Shipping Length
210 in
O/A Track Width
78 in
O/A Undercarriage Length
102 in
Swing Bearing - Height
24 in
Tail Swing
44 in
Track Belt/Shoe Width
16 in
Vertical Wall
92 in

Lift Capacities at Ground Level - Lift Point Radius: 3000 mm (9'8”)

Blade Down - Front
5710 lb
Blade Down - Side
2844 lb
Blade Up - Front
3417 lb
Blade Up - Side
2535 lb

Operating Specifications

Counterweight
364.4 lb
Stick Length - Long
70 in
Stick Length - Standard
55 in

Undercarriage

Number of Carrier Rollers
1
Number of Track Rollers
4
Track Roller Type
Center Flange
Engine Model
Cat® C2.4
Net Power
44.1 HP
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
44.1 HP
Weight - Canopy, Standard Stick
11503 lb
Operating Weight
11958 lb
Bore
3.4 in
Displacement
146 in³
Stroke
4 in
Travel Speed - High
2.8 mile/h
Travel Speed - Low
1.7 mile/h
Maximum Traction Force - High Speed
6025 lb
Maximum Traction Force - Low Speed
10746 lb
Auxiliary Circuit - Primary (186 bar/2,734 psi)
21.1 gal/min
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6 gal/min
Pump Flow at 2,400 rpm
39.6 gal/min
Operating Pressure - Equipment
3553 psi
Operating Pressure - Travel
3553 psi
Operating Pressure - Swing
3132 psi
Digging Force - Stick - Standard
6500 lb
Digging Force - Stick - Long
5575 lb
Machine Swing Speed
10 r/min
Boom Swing - Left - With Stop*
60°
Boom Swing - Left - Without Stop*
80°
Boom Swing - Right
50°
Width
78 in
Height
14.8 in
Dig Depth
21.9 in
Lift Height
15.9 in
Cooling System
2.8 gal (US)
Engine Oil
2.5 gal (US)
Fuel Tank
16.6 gal (US)
Hydraulic System
20.6 gal (US)
Hydraulic Tank
18 gal (US)
Air Conditioning
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.
Blade Down - Front
3042 lb
Blade Up - Front
1808 lb
Blade Down - Side
1521 lb
Blade Up - Side
1367 lb
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level - ISO 6395:2008*
97 dB(A)
Note
*European Union Directive “2000/14/EC”
Roll Over Protective Structure (ROPS)
ISO 12117-2
Tip Over Protective Structure (TOPS)
ISO 12117
Top Guard
ISO 10262 (Level I)
Boom Height - Shipping Position
85 in
Boom In Reach
100 in
Boom Swing - Left
27 in
Boom Swing - Right
31 in
Dig Depth
152 in
Maximum Blade Depth
22 in
Maximum Blade Height
16 in
Maximum Dig Height
220 in
Maximum Dump Clearance
161 in
Maximum Reach
243 in
Maximum Reach - Ground Level
237 in
O/A Shipping Height
100 in
O/A Shipping Length
215 in
O/A Track Width
78 in
O/A Undercarriage Length
102 in
Swing Bearing - Height
24 in
Tail Swing
44 in
Track Belt/Shoe Width
16 in
Vertical Wall
107 in
Boom Height - Shipping Position
69 in
Boom In Reach
94 in
Boom Swing - Left
27 in
Boom Swing - Right
31 in
Dig Depth
137 in
Maximum Blade Depth
22 in
Maximum Blade Height
16 in
Maximum Dig Height
210 in
Maximum Dump Clearance
150 in
Maximum Reach
228 in
Maximum Reach - Ground Level
222 in
O/A Shipping Height
100 in
O/A Shipping Length
210 in
O/A Track Width
78 in
O/A Undercarriage Length
102 in
Swing Bearing - Height
24 in
Tail Swing
44 in
Track Belt/Shoe Width
16 in
Vertical Wall
92 in
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396
45.7 HP
Digging Force - Bucket
11445 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Blade Down - Front
5710 lb
Blade Down - Side
2844 lb
Blade Up - Front
3417 lb
Blade Up - Side
2535 lb
Counterweight
364.4 lb
Stick Length - Long
70 in
Stick Length - Standard
55 in
Note
*Automatic swing brake, spring applied, hydraulic release.
Gradeability - Maximum
30°
Ground Pressure - Cab
4.6 psi
Ground Pressure - Canopy
4.5 psi
Number of Carrier Rollers
1
Number of Track Rollers
4
Track Roller Type
Center Flange
Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Cab, Long Stick
11958 lb
Weight - Cab, Standard Stick
11863 lb
Weight - Canopy, Long Stick
11596 lb