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Big EOFY Savings on Cat Compact machines until 30 June 2026. T&Cs apply. View Promotion

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303 CR Mini Excavator
Mini Excavators
303 CR
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301.5 Mini Excavator
Mini Excavators
301.5
Change product
301.7 CR Mini Excavator
Mini Excavators
301.7 CR
Change product
Engine Expand Collapse
Net Power
23.6 hp 17.6 kW
21 hp 15.7 kW
21 hp 15.7 kW
Engine Model
C1.1 Turbo
C1.1
C1.1
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
23.6 hp 17.6 kW
21 hp 15.7 kW
Net Power - ISO 9249
24.7 hp 18.4 kW
Bore
3 in 77 mm
3 in 77 mm
3 in 77 mm
Stroke
3.2 in 81 mm
3.2 in 81 mm
3.2 in 81 mm
Displacement
69 in³ 1.1 l
69 in³ 1.1 l
69 in³ 1.1 l
Emissions
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
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.
*Expanded – 1300 mm (51 in)
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.
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.
Engine power is tested per ISO 14396:2002.
Advertised power is tested per the specified standard in effect at the time of manufacture.
Operating Weight
7817 lb 3545 kg
3913 lb 1775 kg
4222 lb 1915 kg
Minimum Operating Weight with Canopy*
6670 lb 3025 kg
3483 lb 1580 kg
3946 lb 1790 kg
Maximum Operating Weight with Canopy**
7552 lb 3425 kg
3913 lb 1775 kg
4222 lb 1915 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)
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.
Engine power is tested per ISO 14396:2002.
Advertised power is tested per the specified standard in effect at the time of manufacture.
Note (2)
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, no bucket and extra counterweight.
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.
**Maximum Weight is based on steel tracks, operator, expandable undercarriage and full fuel tank.
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.
***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
***CE Plate Weight is based on the most common EU configuration. Includes 75 kg (165 lb) operator and full fuel tank and excludes bucket.
Cab
254 lb 115 kg
Counterweight
221 lb 100 kg
Extra Counterweight
551 lb 250 kg
Long Stick
55 lb 25 kg
18 lb 8 kg
22 lb 10 kg
Steel Tracks
276 lb 125 kg
126 lb 57 kg
110 lb 50 kg
Travel Speed - High
2.8 mile/h 4.5 km/h
2.7 mile/h 4.4 km/h
2.7 mile/h 4.4 km/h
Travel Speed - Low
1.6 mile/h 2.6 km/h
1.8 mile/h 2.9 km/h
1.8 mile/h 2.9 km/h
Maximum Traction Force - High Speed
3305 lbf 14.7 kN
2315.5 lbf 10.3 kN
2675.2 lbf 11.9 kN
Maximum Traction Force - Low Speed
7059 lbf 31.4 kN
3597 lbf 16 kN
4136.5 lbf 18.4 kN
Ground Pressure - Minimum Weight
4 psi 27.6 kPa
4 psi 27.3 kPa
4 psi 27.9 kPa
Ground Pressure - Maximum Weight
4.7 psi 32.3 kPa
4.4 psi 30.6 kPa
4.4 psi 30 kPa
Gradeability - Maximum
30 degrees
30 degrees
30 degrees
Cooling System
1.1 gal (US) 4 l
1 gal (US) 3.9 l
1 gal (US) 3.9 l
Engine Oil
1.1 gal (US) 4 l
1.2 gal (US) 4.4 l
1.2 gal (US) 4.4 l
Fuel Tank
11.9 gal (US) 45 l
5.8 gal (US) 22 l
5.8 gal (US) 22 l
Hydraulic Tank
4.8 gal (US) 18 l
4.8 gal (US) 18 l
4.8 gal (US) 18 l
Hydraulic System
9.2 gal (US) 35 l
6.9 gal (US) 26 l
6.9 gal (US) 26 l
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Load Sensing Hydraulics with Variable Displacement Piston Pump
Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm
26 gpm 100 L/min
17.4 gpm 66 L/min
17.4 gpm 66 L/min
Operating Pressure - Equipment
3553 psi 245 bar
3089.3 psi 213 bar
3553.4 psi 245 bar
Operating Pressure - Travel
3553 psi 245 bar
3089.3 psi 213 bar
3553.4 psi 245 bar
Operating Pressure - Swing
2553 psi 176 bar
1493.9 psi 103 bar
2132.1 psi 147 bar
Auxiliary Circuit - Primary - Flow
17 gpm 65 L/min
8.7 gpm 33 L/min
8.7 gpm 33 L/min
Auxiliary Circuit - Primary - Pressure
3553 psi 245 bar
3089.3 psi 213 bar
3553.4 psi 245 bar
Auxiliary Circuit - Secondary - Flow
7 gpm 25 L/min
3.7 gpm 14 L/min
3.7 gpm 14 L/min
Auxiliary Circuit - Secondary - Pressure
3553 psi 245 bar
3089.3 psi 213 bar
3553.4 psi 245 bar
Digging Force - Stick - Standard
3732 lbf 16.6 kN
1843.4 lbf 8.2 kN
2135.7 lbf 9.5 kN
Digging Force - Stick - Long
3327 lbf 14.8 kN
1616.4 lbf 7.2 kN
1865.9 lbf 8.3 kN
Digging Force - Bucket
6385 lbf 28.4 kN
3169.8 lbf 14.1 kN
3641.9 lbf 16.2 kN
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
*Expanded – 1300 mm (51 in)
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.
Machine Swing Speed
9 r/min 9 r/min
9.8 r/min 9.8 r/min
9.8 r/min 9.8 r/min
Boom Swing - Left
75 ° 75 °
65 ° 65 °
65 ° 65 °
Boom Swing - Right
50 ° 50 °
50 ° 50 °
50 ° 50 °
Width
61 in 1550 mm
Height
13.8 in 350 mm
8.9 in 225 mm
8.9 in 225 mm
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
ISO 12117-2:2008
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
ISO 12117:1997
ISO 12117:1997
Top Guard
ISO 10262:1998 (Level I)
ISO 10262:1998 (Level I)
ISO 10262:1998 (Level I)
Dig Depth
104.3 in 2650 mm
92.1 in 2340 mm
92.5 in 2350 mm
Vertical Wall
71.7 in 1820 mm
70.9 in 1800 mm
70.9 in 1800 mm
Maximum Reach - Ground Level
190.2 in 4830 mm
146.9 in 3730 mm
153.5 in 3900 mm
Maximum Reach
196.1 in 4980 mm
149.6 in 3800 mm
156.3 in 3970 mm
Maximum Dig Height
177.6 in 4510 mm
135 in 3430 mm
135 in 3430 mm
Maximum Dump Clearance
124.8 in 3170 mm
96.5 in 2450 mm
96.5 in 2450 mm
Boom In Reach
68.9 in 1750 mm
57.5 in 1460 mm
64.2 in 1630 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
10.2 in 260 mm
10.4 in 265 mm
Maximum Blade Height
15.2 in 385 mm
10.8 in 275 mm
10.6 in 270 mm
Boom Height - Shipping Position
63 in 1600 mm
42.9 in 1090 mm
42.9 in 1090 mm
O/A Shipping Height
97.6 in 2480 mm
90.9 in 2310 mm
90.6 in 2300 mm
Swing Bearing - Height
22.4 in 570 mm
17.5 in 445 mm
17.4 in 442 mm
O/A Undercarriage Length
81.5 in 2070 mm
57.5 in 1460 mm
62.6 in 1590 mm
Overall Shipping Length*
177.6 in 4510 mm
142.5 in 3620 mm
142.5 in 3620 mm
Boom Swing - Right
50 ° 50 °
50 ° 50 °
50 ° 50 °
Boom Swing - Left
75 ° 75 °
65 ° 65 °
65 ° 65 °
Track Belt/Shoe Width
11.8 in 300 mm
9.1 in 230 mm
9.1 in 230 mm
Track Width
61 in 1550 mm
Minimum Ground Clearance Below Undercarriage
12.2 in 310 mm
6.1 in 155 mm
5.5 in 140 mm
Stick Length
49.6 in 1260 mm
37.8 in 960 mm
37.8 in 960 mm
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
*Expanded – 1300 mm (51 in)
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.
Dig Depth
104.3 in 2650 mm
92.1 in 2340 mm
92.5 in 2350 mm
Vertical Wall
71.7 in 1820 mm
70.9 in 1800 mm
70.9 in 1800 mm
Maximum Reach - Ground Level
190.2 in 4830 mm
146.9 in 3730 mm
153.5 in 3900 mm
Maximum Reach
196.1 in 4980 mm
149.6 in 3800 mm
156.3 in 3970 mm
Maximum Dig Height
177.6 in 4510 mm
135 in 3430 mm
135 in 3430 mm
Maximum Dump Clearance
124.8 in 3170 mm
96.5 in 2450 mm
96.5 in 2450 mm
Boom In Reach
68.9 in 1750 mm
57.5 in 1460 mm
64.2 in 1630 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
10.2 in 260 mm
10.4 in 265 mm
Maximum Blade Height
15.2 in 385 mm
10.8 in 275 mm
10.6 in 270 mm
Boom Height - Shipping Position
63 in 1600 mm
42.9 in 1090 mm
42.9 in 1090 mm
O/A Shipping Height
97.6 in 2480 mm
90.9 in 2310 mm
90.6 in 2300 mm
Swing Bearing - Height
22.4 in 570 mm
17.5 in 445 mm
17.4 in 442 mm
O/A Undercarriage Length
81.5 in 2070 mm
57.5 in 1460 mm
62.6 in 1590 mm
Overall Shipping Length*
177.6 in 4510 mm
142.5 in 3620 mm
142.5 in 3620 mm
Boom Swing - Right
50 ° 50 °
50 ° 50 °
50 ° 50 °
Boom Swing - Left
75 ° 75 °
65 ° 65 °
65 ° 65 °
Track Belt/Shoe Width
11.8 in 300 mm
9.1 in 230 mm
9.1 in 230 mm
Track Width
61 in 1550 mm
Stick Length
49.6 in 1260 mm
37.8 in 960 mm
37.8 in 960 mm
Minimum Ground Clearance Below Undercarriage
12.2 in 310 mm
6.1 in 155 mm
5.5 in 140 mm
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
*Expanded – 1300 mm (51 in)
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.
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).
Operator Sound Pressure (ISO 6396:2008)
78 dB(A) 78 dB(A)
72 dB(A) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
94 dB(A) 94 dB(A)
93 dB(A) 93 dB(A)
93 dB(A) 93 dB(A)
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
*Expanded – 1300 mm (51 in)
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.
Recyclability
95%
95%
95%
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