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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.
The 303E allows you to easily reposition within a confined space and increase your overall productivity. Proficient movement is en…
The 303E is ready to work. Hammer and two way lines with quick disconnect fittings are standard on every machine.
Your safety and comfort is incorporated into the design of every Cat® machine.
Ease of access to daily maintenance check points ensures your machine is in prime condition to complete any task.
A range of tools is available to take advantage of the machine’s versatility. All tools are matched to the machine to optimize per…
| Specification | Value |
| Net Power | 17.5 kW |
| Engine Model | Cat C1.3 |
| Gross Power - ISO 14396 | 18.5 kW |
| Note | Cat C1.3 engine meets U.S. EPA Tier 4 Final/EU Stage V emission standards. |
| Stroke | 88 mm |
| Bore | 78 mm |
| Displacement | 1.3 l |
| Gross Power | 18.5 kW |
| Rated Net Power - 2,400 rpm - ISO 9249/EEC 80/1269 | 17.5 kW |
| Specification | Value |
| Operating Weight - With Cab | 3.267 kg |
| Operating Weight - With Canopy | 3.048 kg |
| Note | Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
| Specification | Value |
| Maximum Traction Force - Low Speed | 30.9 kN |
| Travel Speed - High | 4.5 km/h |
| Travel Speed - Low | 2.4 km/h |
| Maximum Traction Force - High Speed | 15.2 kN |
| Ground Pressure - Cab Standard Stick | 32.6 kPa |
| Ground Pressure - Cab Long Stick | 33 kPa |
| Ground Pressure with Canopy - Long Stick, Optional Counterweight | 33.5 kPa |
| Ground Pressure - Canopy Standard Stick | 30.4 kPa |
| Gradeability - Continuous Operation | 20° |
| Ground Pressure - Canopy Long Stick | 30.8 kPa |
| Ground Pressure with Canopy - Standard Stick, Optional Counterweight | 33 kPa |
| Ground Pressure with Cab - Standard Stick, Optional Counterweight | 35.2 kPa |
| Gradeability (< 10 minutes Operation) | 30° |
| Ground Pressure with Cab - Long Stick, Optional Counterweight | 35.6 kPa |
| Specification | Value |
| Operating Pressure - Swing | 181 bar |
| Digging Force - Bucket | 28.4 kN |
| Pump Flow at 2,400 rpm | 88 L/min |
| Operating Pressure - Travel | 245 bar |
| Digging Force - Stick - Standard | 16.6 kN |
| Operating Pressure - Equipment | 245 bar |
| Auxiliary Circuit - Secondary (174 bar/2,523 psi) | 27 L/min |
| Digging Force - Stick - Long | 14.8 kN |
| Auxiliary Circuit - Primary (186 bar/2,697 psi) | 60 L/min |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Specification | Value |
| Machine Swing Speed | 9 r/min |
| Boom Swing - Left* | 80° |
| Boom Swing - Right | 50° |
| Note | *Automatic swing brake, spring applied, hydraulic release. |
| Specification | Value |
| Width | 1.550 mm |
| Height | 335 mm |
| Dig Depth | 472 mm |
| Lift Height | 402 mm |
| Specification | Value |
| Engine Oil | 5.7 l |
| Fuel Tank | 45 l |
| Hydraulic Tank | 47 l |
| Cooling System | 4.7 l |
| Hydraulic System | 65 l |
| Specification | Value |
| Dig Depth | 2.980 mm |
| Maximum Reach | 5.040 mm |
| Track Belt/Shoe Width | 300 mm |
| Overall Undercarriage Length | 2.080 mm |
| Overall Shipping Height | 2.500 mm |
| Maximum Reach - Ground Level | 4.910 mm |
| Tail Swing | 775 mm |
| Vertical Wall | 1.750 mm |
| Boom In Reach | 2.000 mm |
| Maximum Dig Height | 4.250 mm |
| Boom Swing Right | 825 mm |
| Maximum Blade Depth | 470 mm |
| Tail Swing with Extra Counterweight | 890 mm |
| Maximum Blade Height | 400 mm |
| Overall Track Width | 1.550 mm |
| Swing Bearing Height | 565 mm |
| Boom Height in Shipping Position | 1.600 mm |
| Boom Swing Left | 610 mm |
| Maximum Dump Clearance | 2.970 mm |
| Overall Shipping Length | 5.030 mm |
| Specification | Value |
| Blade Down - Side | 540 kg |
| Blade Down - Front | 1.170 kg |
| Blade Up - Side | 490 kg |
| Blade Up - Front | 650 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. |
| Specification | Value |
| Number of Carrier Rollers | 1 |
| Track Roller Type | Center Flange |
| Number of Track Rollers | 4 |
| Specification | Value |
| Machine Overhang with Counterweight | 115 mm |
| Machine Overhang | 0 mm |
| Stick Length - Long | 1.560 mm |
| Stick Length - Standard | 1.260 mm |
| Specification | Value |
| Blade Up - Side | 300 kg |
| Blade Down - Front | 740 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. |
| Blade Down - Side | 340 kg |
| Blade Up - Front | 410 kg |
| Specification | Value |
| Tail Swing | 775 mm |
| Maximum Dump Clearance | 3.150 mm |
| Track Belt/Shoe Width | 300 mm |
| Overall Track Width | 1.550 mm |
| Maximum Dig Height | 4.530 mm |
| Dig Depth | 2.750 mm |
| Overall Undercarriage Length | 2.080 mm |
| Boom Swing Left | 610 mm |
| Boom Swing Right | 825 mm |
| Tail Swing with Extra Counterweight | 890 mm |
| Maximum Blade Height | 402 mm |
| Maximum Blade Depth | 472 mm |
| Boom Height in Shipping Position | 1.590 mm |
| Swing Bearing Height | 565 mm |
| Maximum Reach | 4.950 mm |
| Overall Shipping Height | 2.500 mm |
| Vertical Wall | 1.960 mm |
| Overall Shipping Length | 4.470 mm |
| Maximum Reach - Ground Level | 4.810 mm |
| Boom In Reach | 2.110 mm |
| Specification | Value |
| Operating Weight with Canopy - Long Stick, Optional Counterweight | 3.356 kg |
| Operating Weight with Canopy - Long Stick | 3.090 kg |
| Operating Weight with Cab - Standard Stick | 3.267 kg |
| Operating Weight with Canopy - Standard Stick | 3.048 kg |
| Operating Weight with Cab - Standard Stick, Optional Counterweight | 3.533 kg |
| Operating Weight with Cab - Long Stick | 3.309 kg |
| Note | *Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. |
| Operating Weight with Canopy - Standard Stick, Optional Counterweight | 3.314 kg |
| Operating Weight with Cab - Long Stick, Optional Counterweight | 3.575 kg |
| Specification | Value |
| Top Guard | ISO 10262:1998 (Level I) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
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Mantrac Amerya - Alexandria
Km.28 Alex-Cairo Desert Road, Amreya, Al Amaria First, Alexandria Governorate, Egypt.
Hotline: 19266
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