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303 CR Mini Hydraulic Excavator

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Product Description

The Cat® 303 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
23.6 hp
17.6 kW
Engine Model
C1.1 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
23.6 hp
17.6 kW
Net Power - ISO 9249
24.7 hp
18.4 kW
Bore
3 in
77 mm
Stroke
3.2 in
81 mm
Displacement
69 in³
1.1 l
Emissions
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 (1)
Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2,400 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
7817 lb
3545 kg
Minimum Operating Weight with Canopy*
6670 lb
3025 kg
Maximum Operating Weight with Canopy**
7552 lb
3425 kg
Minimum Operating Weight with Cab*
6924 lb
3140 kg
Maximum Operating Weight with Cab**
7817 lb
3545 kg
EU: CE Plate Weight with Canopy***
6791 lb
3080 kg
EU: CE Plate Weight with Cab***
7012 lb
3180 kg
Note (1)
*Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, no bucket and extra counterweight.
Note (2)
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no bucket and extra counterweight.
Note (3)
***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Weight Increase from Minimum Configuration
Cab
254 lb
115 kg
Counterweight
221 lb
100 kg
Extra Counterweight
551 lb
250 kg
Long Stick
55 lb
25 kg
Steel Tracks
276 lb
125 kg
Travel System
Travel Speed - High
2.8 mile/h
4.5 km/h
Travel Speed - Low
1.6 mile/h
2.6 km/h
Maximum Traction Force - High Speed
3305 lbf
14.7 kN
Maximum Traction Force - Low Speed
7059 lbf
31.4 kN
Ground Pressure - Minimum Weight
4 psi
27.6 kPa
Ground Pressure - Maximum Weight
4.7 psi
32.3 kPa
Gradeability - Maximum
30 degrees
Service Refill Capacities
Cooling System
1.1 gal (US)
4 l
Engine Oil
1.1 gal (US)
4 l
Fuel Tank
11.9 gal (US)
45 l
Hydraulic Tank
4.8 gal (US)
18 l
Hydraulic System
9.2 gal (US)
35 l
Hydraulic System
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
26 gpm
100 L/min
Operating Pressure - Equipment
3553 psi
245 bar
Operating Pressure - Travel
3553 psi
245 bar
Operating Pressure - Swing
2553 psi
176 bar
Auxiliary Circuit - Primary - Flow
17 gpm
65 L/min
Auxiliary Circuit - Primary - Pressure
3553 psi
245 bar
Auxiliary Circuit - Secondary - Flow
7 gpm
25 L/min
Auxiliary Circuit - Secondary - Pressure
3553 psi
245 bar
Digging Force - Stick - Standard
3732 lbf
16.6 kN
Digging Force - Stick - Long
3327 lbf
14.8 kN
Digging Force - Bucket
6385 lbf
28.4 kN
Note
* Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Swing System
Machine Swing Speed
9 r/min
9 r/min
Boom Swing - Left
75 °
75 °
Boom Swing - Right
50 °
50 °
Blade
Width
61 in
1550 mm
Height
13.8 in
350 mm
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 - Standard Stick
Dig Depth
104.3 in
2650 mm
Vertical Wall
71.7 in
1820 mm
Maximum Reach - Ground Level
190.2 in
4830 mm
Maximum Reach
196.1 in
4980 mm
Maximum Dig Height
177.6 in
4510 mm
Maximum Dump Clearance
124.8 in
3170 mm
Boom In Reach
68.9 in
1750 mm
Tail Swing without Counterweight
30.5 in
775 mm
Tail Swing with Extra Counterweight
35 in
890 mm
Maximum Blade Depth
21.1 in
535 mm
Maximum Blade Height
15.2 in
385 mm
Boom Height - Shipping Position
63 in
1600 mm
O/A Shipping Height
97.6 in
2480 mm
Swing Bearing - Height
22.4 in
570 mm
O/A Undercarriage Length
81.5 in
2070 mm
Overall Shipping Length*
177.6 in
4510 mm
Boom Swing - Right
34.3 in
870 mm
Boom Swing - Left
25.2 in
640 mm
Track Belt/Shoe Width
11.8 in
300 mm
Minimum Ground Clearance Below Undercarriage
12.2 in
310 mm
Stick Length
49.6 in
1260 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Dimensions - Long Stick
Dig Depth
116.1 in
2950 mm
Vertical Wall
81.5 in
2070 mm
Maximum Reach - Ground Level
201.2 in
5110 mm
Maximum Reach
206.3 in
5240 mm
Maximum Dig Height
183.1 in
4650 mm
Maximum Dump Clearance
130.3 in
3310 mm
Boom In Reach
74.2 in
1910 mm
Tail Swing without Counterweight
30.5 in
775 mm
Tail Swing - with Extra Counterweight
35 in
890 mm
Maximum Blade Depth
21.1 in
535 mm
Maximum Blade Height
15.2 in
385 mm
Boom Height - Shipping Position
75.6 in
1920 mm
O/A Shipping Height
97.6 in
2480 mm
Swing Bearing - Height
22.4 in
570 mm
O/A Undercarriage Length
81.5 in
2070 mm
Overall Shipping Length*
179.5 in
4560 mm
Boom Swing - Right
34.3 in
870 mm
Boom Swing - Left
25.2 in
640 mm
Track Belt/Shoe Width
11.8 in
300 mm
Track Width
61 in
1550 mm
Stick Length
61.4 in
1560 mm
Minimum Ground Clearance Below Undercarriage
12.2 in
310 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)
78 dB(A)
78 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
94 dB(A)
94 dB(A)
Note
European Union Directive “2000/14/EC”
Sustainability
Recyclability
95%
Standard/Optional

Standard Equipment

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

Optional Equipment

OPERATOR ENVIRONMENT
Next Generation Advanced Monitor
– Touch Screen
– Site Reference System
– High Definition Camera Capable (IP68 and IP69K)
– Numeric Security Code
UNDERCARRIAGE
BOOM, STICK AND LINKAGES
ELECTRICAL
GUARDING
OTHER

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