The Cat® 303E CR Mini Hydraulic Excavator delivers high performance, durability and versatility in a compact design to help you work in a variety of applications.
| Net Power | 23.5 HP 17.5 kW |
| Engine Model | Cat C1.3 Cat C1.3 |
| Gross Power | 24.8 HP 18.5 kW |
| Gross Power - ISO 14396 | 24.8 HP 18.5 kW |
| Note | Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards. Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards. |
| Stroke | 3.5 in 88.0 mm |
| Bore | 3.1 in 78.0 mm |
| Displacement | 77.0 in³ 1.3 l |
| Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 | 23.5 HP 17.5 kW |
| Operating Weight - With Cab | 7204.0 lb 3267.0 kg |
| Operating Weight - With Canopy | 6721.0 lb 3048.0 kg |
| Note | Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
| Maximum Traction Force - Low Speed | 6947.0 lbf 30.9 kN |
| Travel Speed - High | 2.8 mile/h 4.5 km/h |
| Travel Speed - Low | 1.5 mile/h 2.4 km/h |
| Maximum Traction Force - High Speed | 3417.0 lbf 15.2 kN |
| Ground Pressure - Cab Standard Stick | 4.7 psi 32.6 kPa |
| Ground Pressure - Cab Long Stick | 4.8 psi 33.0 kPa |
| Ground Pressure with Canopy - Long Stick, Optional Counterweight | 4.9 psi 33.5 kPa |
| Ground Pressure - Canopy Standard Stick | 4.4 psi 30.4 kPa |
| Gradeability - Continuous Operation | 20° 20° |
| Ground Pressure - Canopy Long Stick | 4.5 psi 30.8 kPa |
| Ground Pressure with Canopy - Standard Stick, Optional Counterweight | 4.8 psi 33.0 kPa |
| Ground Pressure with Cab - Standard Stick, Optional Counterweight | 5.1 psi 35.2 kPa |
| Ground Pressure with Cab - Long Stick, Optional Counterweight | 5.2 psi 35.6 kPa |
| Operating Pressure - Swing | 2625.0 psi 181.0 bar |
| Digging Force - Bucket | 6385.0 lbf 28.4 kN |
| Pump Flow at 2,400 rpm | 23.1 gal/min 88.0 l/min |
| Operating Pressure - Travel | 3553.0 psi 245.0 bar |
| Digging Force - Stick - Standard | 3732.0 lbf 16.6 kN |
| Operating Pressure - Equipment | 3553.0 psi 245.0 bar |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Auxiliary Circuit - Secondary (174 bar/2,523 psi) | 7.1 gal/min 27.0 l/min |
| Digging Force - Stick - Long | 3327.0 lbf 14.8 kN |
| Auxiliary Circuit - Primary (186 bar/2,697 psi) | 15.9 gal/min 60.0 l/min |
| Machine Swing Speed | 9.0 r/min 9.0 r/min |
| Boom Swing - Left* | 80° 80° |
| Boom Swing - Right | 50° 50° |
| Note | *Automatic swing brake, spring applied, hydraulic release. *Automatic swing brake, spring applied, hydraulic release. |
| Width | 60.0 in 1550.0 mm |
| Height | 13.0 in 335.0 mm |
| Dig Depth | 19.0 in 472.0 mm |
| Lift Height | 16.0 in 402.0 mm |
| Engine Oil | 1.5 gal (US) 5.7 l |
| Fuel Tank | 11.9 gal (US) 45.0 l |
| Hydraulic Tank | 12.4 gal (US) 47.0 l |
| Cooling System | 1.2 gal (US) 4.7 l |
| Hydraulic System | 17.2 gal (US) 65.0 l |
| Number of Carrier Rollers | 1 1 |
| Track Roller Type | Center Flange Center Flange |
| Number of Track Rollers | 4 4 |
| Top Guard | ISO 10262:1998 (Level I) ISO 10262:1998 (Level I) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
| Dig Depth | 117.0 in 2980.0 mm |
| Maximum Reach | 198.0 in 5040.0 mm |
| Track Belt/Shoe Width | 12.0 in 300.0 mm |
| Overall Undercarriage Length | 82.0 in 2080.0 mm |
| Overall Shipping Height | 98.0 in 2500.0 mm |
| Maximum Reach - Ground Level | 193.0 in 4910.0 mm |
| Tail Swing | 31.0 in 775.0 mm |
| Vertical Wall | 69.0 in 1750.0 mm |
| Boom In Reach | 79.0 in 2000.0 mm |
| Maximum Dig Height | 167.0 in 4250.0 mm |
| Boom Swing Right | 32.0 in 825.0 mm |
| Maximum Blade Depth | 19.0 in 470.0 mm |
| Tail Swing with Extra Counterweight | 35.0 in 890.0 mm |
| Maximum Blade Height | 16.0 in 400.0 mm |
| Overall Track Width | 61.0 in 1550.0 mm |
| Swing Bearing Height | 22.0 in 565.0 mm |
| Boom Height in Shipping Position | 63.0 in 1600.0 mm |
| Boom Swing Left | 24.0 in 610.0 mm |
| Maximum Dump Clearance | 117.0 in 2970.0 mm |
| Overall Shipping Length | 198.0 in 5030.0 mm |
| Blade Down - Side | 1191.0 lb 540.0 kg |
| Blade Down - Front | 2580.0 lb 1170.0 kg |
| Blade Up - Side | 1080.0 lb 490.0 kg |
| Blade Up - Front | 1433.0 lb 650.0 kg |
| Note | *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for machine with cab, optional counterweight and standard stick. *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for machine with cab, optional counterweight and standard stick. |
| Machine Overhang with Counterweight | 5.0 in 115.0 mm |
| Machine Overhang | 0.0 in 0.0 mm |
| Stick Length - Long | 61.0 in 1560.0 mm |
| Stick Length - Standard | 50.0 in 1260.0 mm |
| Blade Up - Side | 662.0 lb 300.0 kg |
| Blade Down - Front | 1632.0 lb 740.0 kg |
| Note | *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for machine with cab, optional counterweight and standard stick. *The above loads are in compliance with hydraulic excavator lift capacity rating standard ISO 10567:2007 and they do not exceed 87% of hydraulic lifting capacity or 75% of tipping capacity. The excavator bucket weight is not included on this chart. Lifting capacities are for machine with cab, optional counterweight and standard stick. |
| Blade Down - Side | 750.0 lb 340.0 kg |
| Blade Up - Front | 904.0 lb 410.0 kg |
| Tail Swing | 31.0 in 775.0 mm |
| Maximum Dump Clearance | 124.0 in 3150.0 mm |
| Track Belt/Shoe Width | 12.0 in 300.0 mm |
| Overall Track Width | 60.0 in 1550.0 mm |
| Maximum Dig Height | 178.0 in 4530.0 mm |
| Dig Depth | 108.0 in 2750.0 mm |
| Overall Undercarriage Length | 82.0 in 2080.0 mm |
| Boom Swing Left | 24.0 in 610.0 mm |
| Boom Swing Right | 32.0 in 825.0 mm |
| Tail Swing with Extra Counterweight | 35.0 in 890.0 mm |
| Maximum Blade Height | 16.0 in 402.0 mm |
| Maximum Blade Depth | 19.0 in 472.0 mm |
| Boom Height in Shipping Position | 63.0 in 1590.0 mm |
| Swing Bearing Height | 22.0 in 565.0 mm |
| Maximum Reach | 195.0 in 4950.0 mm |
| Overall Shipping Height | 98.0 in 2500.0 mm |
| Vertical Wall | 77.0 in 1960.0 mm |
| Overall Shipping Length | 176.0 in 4470.0 mm |
| Maximum Reach - Ground Level | 189.0 in 4810.0 mm |
| Boom In Reach | 83.0 in 2110.0 mm |
| Operating Weight with Canopy - Long Stick, Optional Counterweight | 7400.0 lb 3356.0 kg |
| Operating Weight with Canopy - Long Stick | 6813.0 lb 3090.0 kg |
| Operating Weight with Cab - Standard Stick | 7204.0 lb 3267.0 kg |
| Operating Weight with Canopy - Standard Stick | 6721.0 lb 3048.0 kg |
| Operating Weight with Cab - Standard Stick, Optional Counterweight | 7790.0 lb 3533.0 kg |
| Operating Weight with Cab - Long Stick | 7296.0 lb 3309.0 kg |
| Note | *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
| Operating Weight with Canopy - Standard Stick, Optional Counterweight | 7307.0 lb 3314.0 kg |
| Operating Weight with Cab - Long Stick, Optional Counterweight | 7883.0 lb 3575.0 kg |
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Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
Cat® Product Link™ wirelessly connects you to your equipment giving you valuable insight into how your machine or fleet is performing. Information such as location, hours, fuel usage, productivity, idle time, and diagnostic codes are made available through online web applications so that you can make timely, fact-based decisions to maximize efficiency, improve productivity, and lower the cost of owning and operating your fleet. Available with satellite or cellular connectivity.
