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The Cat® 303.5 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Choose either a canopy or a sealed and pressurized cab which can be equipped with air conditioning, adjustable wrist rests, and a…
Controls are easy to use and the intuitive Next Generation LCD monitor provides easy to read machine information. An advanced touc…
Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with lev…
Strong lift and dig performance helps you get the job done faster. The compact radius design lets you access and work in the tight…
Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. Courtesy work lights and a f…
Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side…
Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Ca…
The Cat® C1.7 engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emission standards. Cat diesel engines are requ…
Specification | Value |
Net Power | 17.6 kW |
Engine Model | C1.7 |
Bore | 84 mm |
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 | 17.6 kW |
Displacement | 1.7 l |
Note | Net power is tested per ISO 9249 and 80/1269/EEC. |
Gross Power - 2,400 rpm - SAE J1995 | 18.4 kW |
Emissions | Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
Note (2) | 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. |
Stroke | 100 mm |
Specification | Value |
Operating Weight | 4.190 kg |
Minimum Operating Weight with Canopy* | 3.480 kg |
EU: CE Plate Weight with Cab*** | 3.630 kg |
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. |
Maximum Operating Weight with Cab** | 4.190 kg |
Maximum Operating Weight with Canopy** | 4.050 kg |
EU: CE Plate Weight with Canopy*** | 3.530 kg |
Minimum Operating Weight with Cab* | 3.620 kg |
Note (1) | * Minimum Weight is based on fixed rubber tracks, operator, full fuel tank, standard stick, blade, bucket and no extra counterweight. |
Note (2) | **Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, blade, bucket and extra counterweight. |
Specification | Value |
Dig Depth | 3.110 mm |
Track Belt/Shoe Width | 300 mm |
Maximum Reach | 5.510 mm |
O/A Track Width | 1.780 mm |
Maximum Blade Depth | 535 mm |
Tail Swing without Counterweight | 890 mm |
Stick Length | 1.560 mm |
Swing Bearing - Height | 565 mm |
Boom Swing - Left | 25.2 ° |
Overall Shipping Length* | 4.850 mm |
Maximum Reach - Ground Level | 5.380 mm |
Maximum Dump Clearance | 3.600 mm |
Tail Swing with Counterweight | 960 mm |
O/A Shipping Height | 2.480 mm |
Note | *Overall Shipping Length depends on blade position during shipment. |
Boom In Reach | 1.860 mm |
Maximum Dig Height | 5.020 mm |
Vertical Wall | 2.390 mm |
Boom Height - Shipping Position | 1.750 mm |
Maximum Blade Height | 385 mm |
O/A Undercarriage Length | 2.220 mm |
Boom Swing - Right | 870 mm |
Ground Clearance | 310 mm |
Specification | Value |
Height | 350 mm |
Width | 1.780 mm |
Specification | Value |
Boom Swing - Right | 870 mm |
Tail Swing with Counterweight | 960 mm |
Stick Length | 1.260 mm |
Maximum Reach - Ground Level | 5.130 mm |
Boom Swing - Left | 640 mm |
Maximum Reach | 5.270 mm |
Track Belt/Shoe Width | 300 mm |
Maximum Dump Clearance | 3.490 mm |
Swing Bearing - Height | 565 mm |
Boom Height - Shipping Position | 1.520 mm |
O/A Shipping Height | 2.480 mm |
Overall Shipping Length* | 4.800 mm |
Boom In Reach | 1.760 mm |
Note | *Overall Shipping Length depends on blade position during shipment. |
Tail Swing with Extra Counterweight | 1.005 mm |
Maximum Dig Height | 4.920 mm |
Vertical Wall | 2.250 mm |
Dig Depth | 2.810 mm |
O/A Undercarriage Length | 2.220 mm |
Tail Swing without Counterweight | 890 mm |
Maximum Blade Depth | 535 mm |
Maximum Blade Height | 385 mm |
Ground Clearance | 310 mm |
Specification | Value |
Cab | 140 kg |
Counterweight | 100 kg |
Steel Tracks | 130 kg |
Long Stick | 20 kg |
Angle Blade | 160 kg |
Extra Counterweight | 250 kg |
Specification | Value |
Fuel Tank | 45 l |
Hydraulic Tank | 20 l |
Cooling System | 7 l |
Engine Oil | 6 l |
Hydraulic System | 45 l |
Specification | Value |
Ground Pressure - Minimum Weight | 29.6 kPa |
Maximum Traction Force - High Speed | 16.9 kN |
Maximum Traction Force - Low Speed | 31 kN |
Travel Speed - High | 4.5 km/h |
Gradeability - Maximum | 30 degrees |
Travel Speed - Low | 2.6 km/h |
Ground Pressure - Maximum Weight | 35.7 kPa |
Specification | Value |
Pump Flow at 2,400 rpm | 100 l/min |
Auxiliary Circuit - Primary - Flow | 70 l/min |
Operating Pressure - Swing | 181 bar |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Auxiliary Circuit - Secondary - Pressure | 245 bar |
Digging Force - Stick - Long | 16.9 kN |
Auxiliary Circuit - Secondary - Flow | 25 l/min |
Digging Force - Bucket | 33 kN |
Operating Pressure - Travel | 245 bar |
Operating Pressure - Equipment | 245 bar |
Auxiliary Circuit - Primary - Pressure | 245 bar |
Digging Force - Stick - Standard | 18.9 kN |
Note | *Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
Specification | Value |
Note | European Union Directive ‚ "2000/14/EC" |
Operator Sound Pressure (ISO 6396:2008) | 78 dB(A) |
Average Exterior Sound Pressure (ISO 6395:2008) | 94 dB(A) |
Specification | Value |
Machine Swing Speed | 9 r/min |
Boom Swing - Right | 50 ° |
Boom Swing - Left | 75 ° |
Specification | Value |
Tail Swing with Extra Counterweight | 1.005 mm |
Specification | Value |
Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
Top Guard | ISO 10262:1998 (Level I) |
Specification | Value |
Tail Swing with Extra Counterweight | 1.005 mm |
Specification | Value |
Recyclability | 95% |
Learn more information about the Cat 303.5 CR Mini Hydraulic Excavator.
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Mantrac Amerya - Alexandria
Km.28 Alex-Cairo Desert Road, Amreya, Al Amaria First, Alexandria Governorate, Egypt.
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