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China Suppliers Factory Caterpillar 303.5 CR Mini Excavator for Garden and Small Residential Construction
Benefits
Upgraded Performance
25% faster transient response delivers up to 35% higher productivity.*
*Compared with the previous model; results may vary by application, operating conditions and temperature.
Cat® Exclusive Features
Stick-steer joystick travel, cruise control, sealed and pressurized cab with air conditioning, and tilt-up cab for easy service access.
Low Owning and Operating Costs
Hassle-free service and repair access, extended service intervals, plus VisionLink™ telematics for efficient fleet management.
Features At A Glance
All Day Comfort
Easy To Operate
Stick Steer Travel Mode
Big Performance In A Compact Design
Safety On The Job Site
Simple Service For Less Downtime
Lower Operating Costs
Sustainability
Specifications
| Engine | Net Power | 17.6 kW |
| Engine Model | C1.7 | |
| Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 17.6 kW | |
| Net Power - ISO 9249 | 18.4 kW | |
| Bore | 84 mm | |
| Stroke | 100 mm | |
| Displacement | 1.7 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 2,200 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 | 4190 kg |
| Minimum Operating Weight with Canopy* | 3480 kg | |
| Maximum Operating Weight with Canopy** | 4050 kg | |
| Minimum Operating Weight with Cab* | 3620 kg | |
| Maximum Operating Weight with Cab** | 4190 kg | |
| EU: CE Plate Weight with Canopy*** | 3530 kg | |
| EU: CE Plate Weight with Cab*** | 3630 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. | |
| Dimensions - Long Stick | Dig Depth | 3110 mm |
| Vertical Wall | 2390 mm | |
| Maximum Reach - Ground Level | 5380 mm | |
| Maximum Reach | 5510 mm | |
| Maximum Dig Height | 5020 mm | |
| Maximum Dump Clearance | 3600 mm | |
| Boom In Reach | 1860 mm | |
| Tail Swing without Counterweight | 890 mm | |
| Tail Swing - with Extra Counterweight | 1005 mm | |
| Maximum Blade Depth | 535 mm | |
| Maximum Blade Height | 385 mm | |
| Boom Height - Shipping Position | 1750 mm | |
| O/A Shipping Height | 2480 mm | |
| Swing Bearing - Height | 565 mm | |
| O/A Undercarriage Length | 2220 mm | |
| Overall Shipping Length* | 4850 mm | |
| Boom Swing - Right | 870 mm | |
| Boom Swing - Left | 25.2 ° | |
| Track Belt/Shoe Width | 300 mm | |
| Track Width | 1780 mm | |
| Minimum Ground Clearance Below Undercarriage | 310 mm | |
| Stick Length | 1560 mm | |
| Note | *Overall Shipping Length depends on blade position during shipment. | |
| Weight Increase from Minimum Configuration | Cab | 140 kg |
| Counterweight | 100 kg | |
| Extra Counterweight | 250 kg | |
| Long Stick | 20 kg | |
| Steel Tracks | 130 kg | |
| Angle Blade | 160 kg | |
| Travel System | Travel Speed - High | 4.5 km/h |
| Travel Speed - Low | 2.6 km/h | |
| Maximum Traction Force - High Speed | 16.9 kN | |
| Maximum Traction Force - Low Speed | 31 kN | |
| Ground Pressure - Minimum Weight | 29.6 kPa | |
| Ground Pressure - Maximum Weight | 35.7 kPa | |
| Gradeability - Maximum | 30 degrees | |
| Service Refill Capacities | Cooling System | 7 l |
| Engine Oil | 6 l | |
| Fuel Tank | 45 l | |
| Hydraulic Tank | 20 l | |
| Hydraulic System | 45 l | |
| Hydraulic System | Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Pump Flow at 2,400 rpm | 100 L/min | |
| Operating Pressure - Equipment | 245 bar | |
| Operating Pressure - Travel | 245 bar | |
| Operating Pressure - Swing | 181 bar | |
| Auxiliary Circuit - Primary - Flow | 70 L/min | |
| Auxiliary Circuit - Primary - Pressure | 245 bar | |
| Auxiliary Circuit - Secondary - Flow | 25 L/min | |
| Auxiliary Circuit - Secondary - Pressure | 245 bar | |
| Digging Force - Stick - Standard | 18.9 kN | |
| Digging Force - Stick - Long | 16.9 kN | |
| Digging Force - Bucket | 33 kN | |
| Note | *Flow and pressure are not combinable. Under load, as flow rises pressure goes down. | |
| Swing System | Machine Swing Speed | 9 r/min |
| Boom Swing - Left | 75 ° | |
| Boom Swing - Right | 50 ° | |
| Blade | Width | 1780 mm |
| Height | 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 | 2810 mm |
| Vertical Wall | 2250 mm | |
| Maximum Reach - Ground Level | 5130 mm | |
| Maximum Reach | 5270 mm | |
| Maximum Dig Height | 4920 mm | |
| Maximum Dump Clearance | 3490 mm | |
| Boom In Reach | 1760 mm | |
| Tail Swing without Counterweight | 890 mm | |
| Tail Swing with Extra Counterweight | 1005 mm | |
| Maximum Blade Depth | 535 mm | |
| Maximum Blade Height | 385 mm | |
| Boom Height - Shipping Position | 1520 mm | |
| O/A Shipping Height | 2480 mm | |
| Swing Bearing - Height | 565 mm | |
| O/A Undercarriage Length | 2220 mm | |
| Overall Shipping Length* | 4800 mm | |
| Boom Swing - Right | 870 mm | |
| Boom Swing - Left | 640 mm | |
| Track Belt/Shoe Width | 300 mm | |
| Minimum Ground Clearance Below Undercarriage | 310 mm | |
| Stick Length | 1260 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 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) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 94 dB(A) | |
| Note | European Union Directive "2000/14/EC" | |
| Sustainability | Recyclability | 95% |
Frequently Asked Questions
What is the operating weight of the Cat Mini Excavator?
The maximum operating weight with cab is 4,190 kg. The minimum operating weight with canopy starts at 3,480 kg, depending on configuration options such as track type, stick length, and counterweight.
What engine powers this mini excavator and what are its emission standards?
This mini excavator is powered by the Cat C1.7 engine, producing 17.6 kW net power at 2,200 rpm. It meets U.S. EPA Tier 4 Final and EU Stage V emission standards, making it compliant for use in North America and Europe.
What is the maximum dig depth with the long stick configuration?
With the long stick (1,560 mm), the maximum dig depth is 3,110 mm. With the standard stick (1,260 mm), the maximum dig depth is 2,810 mm.
What exclusive operator features does this Cat mini excavator offer?
This machine features Cat exclusive stick-steer joystick travel, cruise control, a sealed and pressurized cab with air conditioning, and a tilt-up cab design for easy service access — all designed to maximize operator comfort and productivity throughout the workday.
How does this excavator help reduce owning and operating costs?
The machine is designed with hassle-free service and repair access, extended service intervals, and VisionLink™ telematics for efficient fleet management. Additionally, it delivers up to 35% higher productivity compared to the previous model, reducing cost per job.
What is the hydraulic system type and maximum pump flow?
The hydraulic system uses Load Sensing Hydraulics with a Variable Displacement Piston Pump. The pump delivers a maximum flow of 100 L/min at 2,400 rpm, with operating pressures up to 245 bar for equipment and travel functions.