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305 CR Mini Hydraulic Excavator

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Product Description

The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Specifications
Us
Metric
Engine
Net Power
45 hp
33.6 kW
Weights
Operating Weight
12688 lb
5754 kg
Dimensions - Long Stick
Dig Depth
144.5 in
3670 mm
Engine
Engine Model
C1.7 Turbo
Dimensions - Long Stick
Stick Length
63 in
1601 mm
Engine
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45 hp
33.6 kW
Swing System
Boom Swing - Left
72 Degrees
Dimensions - Standard Stick
Maximum Dig Height
205.3 in
5215 mm
Maximum Blade Height
15.2 in
385 mm
Service Refill Capacities
Hydraulic Tank
16 gal (US)
60 l
Dimensions - Long Stick
Track Width
78 in
1980 mm
Service Refill Capacities
Fuel Tank
17 gal (US)
63 l
Travel System
Ground Pressure - Minimum Weight
4 psi
27.3 kPa
Blade
Angle Blade Width
78 in
1980 mm
Dimensions - Long Stick
Maximum Blade Depth
23.4 in
595 mm
Maximum Dump Clearance
151.4 in
3845 mm
Boom Swing - Left
615 mm
24.2 °
Dimensions - Standard Stick
Dig Depth
134.6 in
3420 mm
Dimensions - Long Stick
Boom Swing - Right
34.1 °
865 mm
Dimensions - Standard Stick
Boom Swing - Right
34.1 °
865 mm
Travel System
Maximum Traction Force - Low Speed
11353 lbf
50.5 kN
Dimensions - Standard Stick
Maximum Reach - Ground Level
220.1 in
5590 mm
Tail Swing without Counterweight
43.1 in
1095 mm
Blade
Straight Blade Height
15.4 in
390 mm
Sound
Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A)
97 dB(A)
Travel System
Ground Pressure - Maximum Weight
4.7 psi
32.2 kPa
Swing System
Machine Swing Speed
9 r/min
9 r/min
Dimensions - Long Stick
Swing Bearing - Height
24.4 in
619 mm
Dimensions - Standard Stick
Boom Height - Shipping Position
71.7 in
1820 mm
Engine
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
Dimensions - Long Stick
Boom Height - Shipping Position
74.6 in
1895 mm
Dimensions - Standard Stick
Maximum Blade Depth
23.4 in
595 mm
Engine
Gross Power - 2,400 rpm - SAE J1995:2014
48.4 hp
36.1 kW
Dimensions - Standard Stick
Maximum Reach
226.6 in
5755 mm
Hydraulic System
Auxiliary Circuit - Secondary - Pressure
3843 psi
265 bar
Certification - Cab and Canopy
Top Guard
ISO 10262:1998 Level I
Dimensions - Standard Stick
Boom Swing - Left
24.2 °
615 mm
Weight Increase from Minimum Configuration
Counterweight
534 lb
242 kg
Engine
Stroke
3.9 in
100 mm
Bore
3.3 in
84 mm
Hydraulic System
Pump Flow at 2,400 rpm
35 gal/min
133 l/min
Blade
Straight Blade Width
78 in
1980 mm
Dimensions - Long Stick
Boom In Reach
101.6 in
2580 mm
Maximum Reach
235.8 in
5990 mm
Dimensions - Standard Stick
Overall Shipping Length*
208.9 in
5305 mm
O/A Undercarriage Length
101.6 in
2580 mm
Sound
Note
*The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed. **The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC.
Travel System
Travel Speed - Low
1.7 mile/h
2.8 km/h
Dimensions - Long Stick
Track Belt/Shoe Width
15.7 in
400 mm
Hydraulic System
Operating Pressure - Swing
2901 psi
200 bar
Operating Pressure - Travel
3843 psi
265 bar
Dimensions - Long Stick
Maximum Reach - Ground Level
229.7 in
5835 mm
Maximum Blade Height
15.2 in
385 mm
O/A Shipping Height
100.4 in
2550 mm
Service Refill Capacities
Engine Oil
1.6 gal (US)
6 l
Travel System
Maximum Traction Force - High Speed
5553 lbf
24.7 kN
Dimensions - Long Stick
Tail Swing without Counterweight
43.1 in
1095 mm
Dimensions - Standard Stick
Swing Bearing - Height
24.4 in
619 mm
Travel System
Travel Speed - High
3.1 mile/h
5 km/h
Dimensions - Long Stick
O/A Undercarriage Length
101.6 in
2580 mm
Dimensions - Standard Stick
Stick Length
53.2 in
1351 mm
Dimensions - Long Stick
Tail Swing with Counterweight
47.2 in
1200 mm
Hydraulic System
Auxiliary Circuit - Secondary - Flow
7 gal/min
28 l/min
Weights
Minimum Operating Weight with Canopy*
11016 lb
4996 kg
Weight Increase from Minimum Configuration
Long Stick
75 lb
34 kg
Weights
Note (1)
*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Minimum Operating Weight with Cab*
11234 lb
5095 kg
Hydraulic System
Digging Force - Stick - Standard
6362 lbf
28.3 kN
Auxiliary Circuit - Primary - Pressure
3843 psi
265 bar
Dimensions - Long Stick
Vertical Wall
100.8 in
2560 mm
Hydraulic System
Auxiliary Circuit - Primary - Flow
21 gal/min
80 l/min
Digging Force - Bucket
11061 lbf
49.2 kN
Dimensions - Standard Stick
Track Belt/Shoe Width
15.7 in
400 mm
Sound
Operator Sound Pressure (ISO 6396:2008)
76 dB(A)
76 dB(A)
Hydraulic System
Operating Pressure - Equipment
3843 psi
265 bar
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Weights
Maximum Operating Weight with Cab**
12688 lb
5754 kg
Dimensions - Long Stick
Note
*Overall Shipping Length depends on blade position during shipment.
Weights
Maximum Operating Weight with Canopy**
12469 lb
5655 kg
Swing System
Boom Swing - Right
50 Degrees
Dimensions - Long Stick
Overall Shipping Length*
210.2 in
5340 mm
Weights
Note (2)
**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Service Refill Capacities
Hydraulic System
20 gal (US)
75 l
Dimensions - Standard Stick
Boom In Reach
101.2 in
2570 mm
Vertical Wall
91.9 in
2335 mm
Weight Increase from Minimum Configuration
Steel Tracks with Pads
827 lb
375 kg
Engine
Displacement
101 in³
1.662 l
Blade
Angle Blade Height
15.7 in
400 mm
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Service Refill Capacities
Cooling System
2.9 gal (US)
11 l
Hydraulic System
Digging Force - Stick - Long
5665 lbf
25.2 kN
Engine
Emissions
The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Dimensions - Standard Stick
Tail Swing with Counterweight
47.2 in
1200 mm
Dimensions - Long Stick
Maximum Dig Height
210.8 in
5355 mm
Dimensions - Standard Stick
Maximum Dump Clearance
145.7 in
3700 mm
O/A Shipping Height
100.4 in
2550 mm
Engine
Note (2)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load.
Dimensions - Standard Stick
Note
*Overall Shipping Length depends on blade position during shipment.
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Travel System
Gradeability - Maximum
30 degrees
Blade
Angle Blade - Left
25 degrees
Angle Blade - Right
25 degrees
Sustainability
Recyclability
96%
Dimensions - Standard Stick
Ground Clearance
13.2 in
335 mm
Weight Increase from Minimum Configuration
Angle Blade
225 lb
102 kg
Dimensions - Long Stick
Ground Clearance
13.2 in
335 mm
Standard/Optional

Standard Equipment

ENGINE
HYDRAULICS
GUARDING
OTHER
OPERATOR ENVIRONMENT
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL

Optional Equipment

UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
OTHER
OPERATOR ENVIRONMENT
GUARDING
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