Mini Excavators
Cat 305 CR
Operating Weight
4,975kg
Power
31.2kW (42.4hp)
Width
1,980mm

The Cat 305 mini excavator delivers efficient performance, durability and versatility in a compact design to help you work in a variety of applications.
Specifications
Operating Weight
4,975kg
Power
31.2kW (42.4hp)
Width
1,980mm
Bucket Breakout
44.7kN
Dig Depth
3,280mm
Specifications
Blade
Angle Blade - Left
25 degrees
Angle Blade - Right
25 degrees
Angle Blade Height
400mm
Angle Blade Width
1980mm
Straight Blade Height
390mm
Straight Blade Width
1980mm
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Top Guard
ISO 10262:1998 Level I
Dimensions - Long Stick
Boom Height - Shipping Position
1895mm
Boom In Reach
2580mm
Boom Swing - Left
24.2°
Boom Swing - Right
865mm
Dig Depth
3670mm
Ground Clearance
335mm
Maximum Blade Depth
650mm
Maximum Blade Height
400mm
Maximum Dig Height
5355mm
Maximum Dump Clearance
3845mm
Maximum Reach
5990mm
Maximum Reach - Ground Level
5835mm
Note
*Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height
2550mm
O/A Undercarriage Length
2580mm
Overall Shipping Length*
5340mm
Stick Length
1601mm
Swing Bearing - Height
619mm
Tail Swing with Counterweight
1200mm
Tail Swing without Counterweight
1095mm
Track Belt/Shoe Width
400mm
Track Width
1980mm
Vertical Wall
2560mm
Dimensions - Standard Stick
Boom Height - Shipping Position
1820mm
Boom In Reach
2570mm
Boom Swing - Left
615mm
Boom Swing - Right
865mm
Dig Depth
3420mm
Ground Clearance
335mm
Maximum Blade Depth
650mm
Maximum Blade Height
400mm
Maximum Dig Height
5215mm
Maximum Dump Clearance
3700mm
Maximum Reach
5755mm
Maximum Reach - Ground Level
5590mm
Note
*Overall Shipping Length depends on blade position during shipment.
O/A Shipping Height
2550mm
O/A Undercarriage Length
2580mm
Overall Shipping Length*
5305mm
Stick Length
1351mm
Swing Bearing - Height
619mm
Tail Swing with Counterweight
1200mm
Tail Swing without Counterweight
1095mm
Track Belt/Shoe Width
400mm
Vertical Wall
2335mm
Engine
Bore
84mm
Displacement
1.662l
Emissions
Meets EU Stage V emission standards.
Engine Model
C1.7 Turbo
Gross Power - 2,400 rpm - SAE J1995:2014
36.1kW
Net Power
33.6kW
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
33.6kW
Note
Net power advertised is the power available at the flywheel when the engine is at rated speed and rated power when the engine is installed with the factory configured fan, air intake system, exhaust system, and alternator with a minimum alternator load.
Stroke
100mm
Hydraulic System
Auxiliary Circuit - Primary - Flow
80l/min
Auxiliary Circuit - Primary - Pressure
265bar
Auxiliary Circuit - Secondary - Flow
28l/min
Auxiliary Circuit - Secondary - Pressure
265bar
Digging Force - Bucket
49.2kN
Digging Force - Stick - Long
25.2kN
Digging Force - Stick - Standard
28.3kN
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment
265bar
Operating Pressure - Swing
200bar
Operating Pressure - Travel
265bar
Pump Flow at 2,400 rpm
133l/min
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Service Refill Capacities
Cooling System
11l
Engine Oil
6l
Fuel Tank
63l
Hydraulic System
75l
Hydraulic Tank
60l
Sound
Average Exterior Sound Pressure (ISO 6395:2008)
97dB(A)
Note
European Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008)
76dB(A)
Swing System
Boom Swing - Left
72 Degrees
Boom Swing - Right
50 Degrees
Machine Swing Speed
9r/min
Travel System
Gradeability - Maximum
30 degrees
Ground Pressure - Maximum Weight
32.2kPa
Ground Pressure - Minimum Weight
27.3kPa
Maximum Traction Force - High Speed
24.7kN
Maximum Traction Force - Low Speed
50.5kN
Travel Speed - High
5km/h
Travel Speed - Low
2.8km/h
Weight Increase from Minimum Configuration
Angle Blade
92kg
Counterweight
242kg
Long Stick
34kg
Steel Tracks with Pads
375kg
Weights
Maximum Operating Weight with Cab**
5764kg
Maximum Operating Weight with Canopy**
5665kg
Minimum Operating Weight with Cab*
5105kg
Minimum Operating Weight with Canopy*
5006kg
Note (1)
*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Note (2)
**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Operating Weight
5754kg
GALLERY

How does the 305 CR Compare?
-
Excavators Cat 305 CR
Operating Weight4,975kgPower31.2kW (42.4hp)Width1,980mmSELECTED MODEL -
Excavators Cat 304E2 Mini Excavator
Operating Weight3,925kgPower31.2kW (42.4hp)Width1,950mm -
Excavators Cat 306 CR
Operating Weight6,410kgPower43.2kW (57.9hp)Width1980mm