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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
Engine Model
C1.7 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45 hp
33.6 kW
Gross Power - 2,400 rpm - SAE J1995:2014
48.4 hp
36.1 kW
Bore
3.3 in
84 mm
Stroke
3.9 in
100 mm
Displacement
101 in³
1.662 l
Emissions
The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
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.
Weights
Operating Weight
12688 lb
5754 kg
Minimum Operating Weight with Canopy*
11016 lb
4996 kg
Maximum Operating Weight with Canopy**
12469 lb
5655 kg
Minimum Operating Weight with Cab*
11234 lb
5095 kg
Maximum Operating Weight with Cab**
12688 lb
5754 kg
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.
Weight Increase from Minimum Configuration
Counterweight
534 lb
242 kg
Long Stick
75 lb
34 kg
Steel Tracks with Pads
827 lb
375 kg
Angle Blade
225 lb
102 kg
Travel System
Travel Speed - High
3.1 mile/h
5 km/h
Travel Speed - Low
1.7 mile/h
2.8 km/h
Maximum Traction Force - High Speed
5553 lbf
24.7 kN
Maximum Traction Force - Low Speed
11353 lbf
50.5 kN
Ground Pressure - Minimum Weight
4 psi
27.3 kPa
Ground Pressure - Maximum Weight
4.7 psi
32.2 kPa
Gradeability - Maximum
30 degrees
Service Refill Capacities
Cooling System
2.9 gal (US)
11 l
Engine Oil
1.6 gal (US)
6 l
Fuel Tank
17 gal (US)
63 l
Hydraulic Tank
16 gal (US)
60 l
Hydraulic System
20 gal (US)
75 l
Hydraulic System
Pump Flow at 2,400 rpm
35 gpm
133 L/min
Operating Pressure - Equipment
3843 psi
265 bar
Operating Pressure - Travel
3843 psi
265 bar
Operating Pressure - Swing
2901 psi
200 bar
Auxiliary Circuit - Primary - Flow
21 gpm
80 L/min
Auxiliary Circuit - Primary - Pressure
3843 psi
265 bar
Auxiliary Circuit - Secondary - Flow
7 gpm
28 L/min
Auxiliary Circuit - Secondary - Pressure
3843 psi
265 bar
Digging Force - Stick - Standard
6362 lbf
28.3 kN
Digging Force - Stick - Long
5665 lbf
25.2 kN
Digging Force - Bucket
11061 lbf
49.2 kN
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Swing System
Machine Swing Speed
9 r/min
9 r/min
Boom Swing - Left
72 Degrees
Boom Swing - Right
50 Degrees
Blade
Straight Blade Width
78 in
1980 mm
Straight Blade Height
15.4 in
390 mm
Angle Blade Width
78 in
1980 mm
Angle Blade Height
15.7 in
400 mm
Angle Blade - Left
25 degrees
Angle Blade - Right
25 degrees
Certification - Cab and Canopy
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 Level I
Dimensions - Standard Stick
Dig Depth
134.6 in
3420 mm
Vertical Wall
91.9 in
2335 mm
Maximum Reach - Ground Level
220.1 in
5590 mm
Maximum Reach
226.6 in
5755 mm
Maximum Dig Height
205.3 in
5215 mm
Maximum Dump Clearance
145.7 in
3700 mm
Boom In Reach
101.2 in
2570 mm
Tail Swing without Counterweight
43.1 in
1095 mm
Tail Swing with Counterweight
47.2 in
1200 mm
Maximum Blade Height
15.2 in
385 mm
Maximum Blade Depth
23.4 in
595 mm
Boom Height - Shipping Position
71.7 in
1820 mm
O/A Shipping Height
100.4 in
2550 mm
Swing Bearing - Height
24.4 in
619 mm
O/A Undercarriage Length
101.6 in
2580 mm
Overall Shipping Length*
208.9 in
5305 mm
Boom Swing - Right
34.1 °
865 mm
Boom Swing - Left
24.2 °
615 mm
Track Belt/Shoe Width
15.7 in
400 mm
Ground Clearance
13.2 in
335 mm
Stick Length
53.2 in
1351 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Dimensions - Long Stick
Dig Depth
144.5 in
3670 mm
Vertical Wall
100.8 in
2560 mm
Maximum Reach - Ground Level
229.7 in
5835 mm
Maximum Reach
235.8 in
5990 mm
Maximum Dig Height
210.8 in
5355 mm
Maximum Dump Clearance
151.4 in
3845 mm
Boom In Reach
101.6 in
2580 mm
Tail Swing without Counterweight
43.1 in
1095 mm
Tail Swing with Counterweight
47.2 in
1200 mm
Maximum Blade Height
15.2 in
385 mm
Maximum Blade Depth
23.4 in
595 mm
Boom Height - Shipping Position
74.6 in
1895 mm
O/A Shipping Height
100.4 in
2550 mm
Swing Bearing - Height
24.4 in
619 mm
O/A Undercarriage Length
101.6 in
2580 mm
Overall Shipping Length*
210.2 in
5340 mm
Boom Swing - Right
34.1 °
865 mm
Boom Swing - Left
615 mm
24.2 °
Track Belt/Shoe Width
15.7 in
400 mm
Track Width
78 in
1980 mm
Ground Clearance
13.2 in
335 mm
Stick Length
63 in
1601 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Air Conditioning System
Air Conditioning
The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe).
Sound
Operator Sound Pressure (ISO 6396:2008)
76 dB(A)
76 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A)
97 dB(A)
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.
Sustainability
Recyclability
96%
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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