305E2 CR Mini Hydraulic Excavator

305E2 CR Mini Hydraulic Excavator

The Cat® 305E2 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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Engine

Engine Model
Cat® C2.4
Net Power
40.2HP
Emissions
Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards.
Gross Power - ISO 14396
41.8HP
Rated Net Power - 2,200 rpm - ISO 9249/EEC 80/1269
40.2HP
Bore
3.4in
Displacement
146in³
Stroke
4in

Swing System

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

Blade

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

Service Refill Capacities

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

Weights*

Note
*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines.
Weight - Canopy, Long Stick
11069lb
Weight - Cab, Standard Stick
11334lb
Weight - Cab, Long Stick
11443lb
Operating Weight
11443lb
Weight - Canopy, Standard Stick
10970lb

Undercarriage

Track Roller Type
Center Flange
Number of Track Rollers
4
Number of Carrier Rollers
1

Travel System

Ground Pressure - Canopy
4.3psi
Ground Pressure - Cab
4.4psi
Travel Speed - Low
1.7mile/h
Gradeability - Maximum
30°
Maximum Traction Force - High Speed
5418lb
Maximum Traction Force - Low Speed
10161lb
Travel Speed - High
2.7mile/h

Dimensions - Long Stick

Swing Bearing - Height
24in
Maximum Dump Clearance
154in
Maximum Reach
235in
O/A Track Width
78in
O/A Shipping Height
100in
O/A Shipping Length
208in
Maximum Blade Depth
22in
Maximum Blade Height
16in
Maximum Reach - Ground Level
229in
O/A Undercarriage Length
102in
Maximum Dig Height
214in
Boom Height - Shipping Position
85in
Boom In Reach
100in
Boom Swing - Left
27in
Boom Swing - Right
31in
Dig Depth
144in
Vertical Wall
104in
Tail Swing
43in
Track Belt/Shoe Width
16in

Hydraulic System

Digging Force - Stick - Long
4788lb
Auxiliary Circuit - Secondary (174 bar/2,524 psi)
6.6gal/min
Auxiliary Circuit - Primary (186 bar/2,734 psi)
21.1gal/min
Digging Force - Bucket
10050lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Operating Pressure - Equipment
3553psi
Operating Pressure - Swing
3132psi
Operating Pressure - Travel
3553psi
Pump Flow at 2,400 rpm
39.6gal/min
Digging Force - Stick - Standard
5550lb

Certification - Cab and Canopy

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

Dimensions - Standard Stick

Boom Swing - Left
27in
Boom Swing - Right
31in
Boom Height - Shipping Position
69in
Boom In Reach
93in
Track Belt/Shoe Width
16in
Tail Swing
43in
Vertical Wall
91in
O/A Shipping Length
204in
O/A Track Width
78in
Swing Bearing - Height
24in
O/A Undercarriage Length
102in
Maximum Dig Height
207in
Maximum Dump Clearance
129in
Maximum Reach
220in
Maximum Reach - Ground Level
210in
O/A Shipping Height
100in
Maximum Blade Depth
22in
Maximum Blade Height
16in
Dig Depth
129in

Operating Specifications

Stick Length - Standard
52in
Stick Length - Long
67in

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

Blade Down - Front
5159lb
Blade Down - Side
2646in
Blade Up - Front
3197lb
Blade Up - Side
2359in

Lift Capacities at Ground Level - Lift Point Radius: 4000 mm (13'1”)

Blade Down - Front
2778lb
Blade Down - Side
1411lb
Blade Up - Front
1676lb
Blade Up - Side
1257lb

Cab

Note
*European Union Directive “2000/14/EC”
Exterior Sound Power Level - ISO 6395:2008*
96dB(A)
Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81dB(A)

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.

Standard Equipment:

Optional Equipment:

    Engine
    • Engine block heater
    Hydraulic System
    • Quick coupler lines
    • Boom lowering check valve
    • Stick lowering check valve
    • Secondary auxiliary hydraulic lines
    Operator Environment
    • Cab:
      • Air conditioning
      • Heat
      • High back suspension seat
      • Interior light
      • Interlocking front window system
      • Radio
      • Windshield wiper
    Undercarriage
    • Power angle blade
    • Track, double grouser (steel), 400 mm (16 in)
    • Track, double grouser (steel) with rubber pad, 400 mm (16 in)
    Front Linkage
    • Quick coupler: manual or hydraulic
    • Thumb
    • Buckets
    • Full range of performance matched work tools
      • Auger, hammer, ripper
    Lights And Mirrors
    • Light, cab with time delay capability
    • Mirror, canopy right
    • Mirror, canopy left
    • Mirror, cab rear
    Safety And Security
    • Battery disconnect
    • Beacon socket
    • Front wire mesh guard
    • Rearview camera
    • Vandal guard