303C CR Mini Hydraulic Excavators Engineered by Caterpillar to deliver high levels of productivity, versatility and serviceability. Request a Quote Specifications Product Specs Engine Engine Model Mitsubishi S3Q2 Engine Model Mitsubishi S3Q2 Net Power 30 mm H2O Net Power 30 hp Gross Power 31 mm H2O Gross Power 31 hp Weights Operating Weight 7573 lb Operating Weight 7573 lb Operating Weight - With Cab 7835 lb Dimensions Maximum Digging Depth - Standard Stick 9.6 ft Maximum Reach - Ground Level - Standard Stick 16.8 ft Length - Center of Rollers 16.73 ft Shipping Height 8.2 ft Shipping Length 15.55 ft Transport Width 5.09 ft Height - Over Cab 8.2 ft Length to Center of Rollers 16.73 ft Maximum Cutting Height - Long Stick 16.6 ft Maximum Cutting Height - Standard Stick 16.24 ft Maximum Digging Depth - Long Stick 10.5 ft Maximum Dump Height - Long Stick 11.84 ft Maximum Dump Height - Standard Stick 11.45 ft Maximum Horizontal Reach - Long Stick 17.55 ft Maximum Horizontal Reach - Standard Stick 16.73 ft Maximum Vertical Dig Depth - Standard Stick 7.1 ft Shipping Height 8.2 ft Shipping Length 15.55 ft Swing Radius - Rear 2.92 ft Track Gauge 4.1 ft Track Shoe Width 0.98 ft Transport Width 5.09 ft Width - Over Track 5.09 ft Engine Dimensions Bore 3.5 in Bore 3.5 in Stroke 4.1 in Stroke 4.1 in Displacement 116 in³ Displacement 116 in3 Travel System Gradeability - Maximum - High 30 ° Travel Speed - High 2.9 mile/h Travel Speed - Low 1.6 mile/h Max traction force - high speed 3979 lb Max traction force - low speed 7508 lb Maximum Traction Force - High Speed 3979 lb Maximum Traction Force - Low Speed 7508 lb Hydraulic System Operating Pressure - Equipment 3553 psi Operating Pressure - Equipment 3553 psi Digging Force - Stick - Standard 4249 lb Digging Force - Stick - Long 3799 lb Digging Force - Bucket 7419 lb Operating Pressure - Travel 3553 psi Operating Pressure - Travel 3553 psi Operating Pressure - Swing 2495 psi Operating Pressure - Swing 2495 psi Auxiliary Circuit - Primary (245 bar/3,553 psi) 15.9 gal/min Auxiliary circuit - primary (245 bar, 3550 psi) 15.9 gal/min Auxiliary Circuits - Secondary - At 174 bar 7.1 gal/min Swing System Machine Swing Speed 9 r/min Machine Swing Speed 9 RPM Boom Swing - Left - Without Stop 80 ° Boom swing - left (without stop) 80 Degrees Boom Swing - Left - With Stop 55 ° Boom swing - left (with stop) 55 Degrees Boom Swing - Right 50 ° Boom Swing - Right 50 Degrees Sound Levels Canopy 78 dB(A) Cab 82 dB(A) Blade Width 61 in Width 61 in Height 13 in Dig Depth 18 in Lift Height 16 in Service Refill Capacities Cooling System 1.6 gal (US) Cooling System 1.6 gal Engine Oil 1.6 gal (US) Engine Oil 1.6 gal Hydraulic Tank 9.8 gal (US) Hydraulic Tank 9.8 gal Fuel Tank 11.9 gal (US) Fuel Tank 11.9 gal Hydraulic System 17.2 gal (US) Hydraulic System 17.2 gal MSC Comments MSC Spec Date 12/05