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305E2 CR Mini Hydraulic Excavator

305E2 CR Mini Hydraulic Excavator

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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.

Engine

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

Weights*

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

Travel System

Travel Speed – High
2.7 mph
Travel Speed – Low
1.7 mph
Max Traction Force – High Speed
5418 lb
Max Traction Force – Low Speed
10161 lb
Ground Pressure – Canopy
4.3 psi
Ground Pressure – Cab
4.4 psi
Gradeability (maximum)
30°

Hydraulic System

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
Auxiliary Circuit – Primary (186 bar/2,734 psi)
21.1 gal/min
Auxiliary Circuit – Secondary (174 bar/2,524 psi)
6.6 gal/min
Digging Force – Stick (standard)
5550 lb
Digging Force – Stick (long)
4788 lb
Digging Force – Bucket
10050 lb
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

Machine Swing Speed
10 rpm
Boom Swing – Left* (without stop)
80°
Boom Swing – Left* (with stop)
60°
Boom Swing – Right
50°
Note
*Automatic swing brake, spring applied, hydraulic release.

Blade

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

Service Refill Capacities

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

Operating Specifications

Stick Length – Standard
52 in
Stick Length – Long
67 in

Cab

Dynamic Operator Sound Pressure Level (ISO 6396:2008)
81 dB(A)
Exterior Sound Power Level (ISO 6395:2008)*
96 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)

Undercarriage

Number of Carrier Rollers
3
Number of Track Rollers
3
Track Roller Type
Triple Flange

Lift Capacities at Ground Level – Lift Point Radius: 3000 mm (9’8”)

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

Lift Capacities at Ground Level – Lift Point Radius: 4000 mm (13’1”)

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

Dimensions – Standard Stick

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

Dimensions – Long Stick

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