305E2 CR Mini Hydraulic Excavator

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

Swing System

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

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*

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

Undercarriage

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

Travel System

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

Operating Specifications

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

Hydraulic System

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

Dimensions - Standard Stick

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

Certification - Cab and Canopy

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

Cab

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

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

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

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

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

Dimensions - Long Stick

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

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