Caterpillar 303C CR Mini Excavator

Blades

Blade Height 13 in (33 cm)
Blade Lift Height 16 in (41 cm)
Blade Width 5 ft (2 m)
Dig Depth 18 in (46 cm)

Boom/Stick Excavator Option 1

Max Cutting Height 16 ft (5 m)
Max Digging Depth 10 ft (3 m)
Max Loading Height 12 ft (4 m)
Max Reach Along Ground 17 ft (5 m)
Max Vertical Wall Digging Depth 7 ft (2 m)
Shipping Height of Unit 8 ft (3 m)
Shipping Length of Unit 17 ft (5 m)

Boom/Stick Excavator Option 2

Max Cutting Height 17 ft (5 m)
Max Digging Depth 10 ft (3 m)
Max Loading Height 10 ft (3 m)
Max Reach Along Ground 18 ft (5 m)
Max Vertical Wall Digging Depth 8 ft (3 m)
Shipping Height of Unit 8 ft (3 m)
Shipping Length of Unit 16 ft (5 m)

Dimensions

Ground Clearance 1 ft (0 m)
Height – Over Cab 8 ft (2 m)
Height – Top of Cab 8 ft (2 m)
Length of Track on Ground 7 ft (2 m)
Maximum Cutting Height – Long Stick 17 ft (5 m)
Maximum Cutting Height – Standard Stick 16 ft (5 m)
Maximum Digging Depth – Long Stick 11 ft (3 m)
Maximum Digging Depth – Standard Stick 10 ft (3 m)
Maximum Dump Height – Long Stick 12 ft (4 m)
Maximum Dump Height – Standard Stick 12 ft (4 m)
Maximum Horizontal Reach – Long Stick 18 ft (5 m)
Maximum Horizontal Reach – Standard Stick 17 ft (5 m)
Maximum Reach – Ground Level – Standard Stick 17 ft (5 m)
Maximum Vertical Dig Depth – Standard Stick 7 ft (2 m)
Removal Counterweight Clearance 2 ft (1 m)
Shipping Height 8 ft (2 m)
Shipping Length 16 ft (5 m)
Swing Radius – Rear 3 ft (1 m)
Tail Swing Radius 3 ft (1 m)
Track Gauge 4 ft (1 m)
Track Shoe Width 1 ft (0 m)
Transport Width 5 ft (2 m)
Width – Over Track 5 ft (2 m)
Width to Outside of Tracks 5 ft (2 m)

Engine

Bore 4 in (9 cm)
Displacement 116 cu in (1,901 cu cm)
Engine Model Mitsubishi S3Q2
Gross Power 31 hp (23 kw)
Net Power 30 hp (22 kw)
Number of Cylinders 3
Power Measured @ 2300 rpm
Stroke 4 in (10 cm)

Hydraulic System

Auxiliary Circuit – Primary (245 bar/3,553 psi) 16 gpm (60 lpm)
Digging Force – Bucket 7,419 lbs (3,365 kg)
Digging Force – Stick – Long 3,799 lbs (1,723 kg)
Digging Force – Stick – Standard 4,249 lbs (1,927 kg)
Operating Pressure – Equipment 3553 psi
Operating Pressure – Swing 2495 psi
Operating Pressure – Travel 3553 psi

Operating Specifications

Alternator Supplied Amperage 50 amps
Cooling System Fluid Capacity 2 gal (6 l)
Engine Oil Capacity 2 gal (6 l)
Fuel Capacity 12 gal (45 l)
Hydraulic Pump Flow Capacity 23 gpm (88 lpm)
Hydraulic System Fluid Capacity 17 gal (65 l)
Hydraulic System Relief Valve Pressure 3553 psi
Operating Voltage 12 volts
Operating Weight 7,835 lbs (3,554 kg)

Service Refill Capacities

Cooling System 2 gal (6 l)
Engine Oil 2 gal (6 l)
Fuel Tank 12 gal (45 l)
Hydraulic System 17 gal (65 l)
Hydraulic Tank 10 gal (37 l)

Swing Mechanism

Swing Speed 9 rpm

Swing System

Boom Swing – Left – With Stop 55 degrees
Boom Swing – Left – Without Stop 80 degrees
Boom Swing – Right 50 degrees
Machine Swing Speed 9 rpm

Travel System

Maximum Traction Force – High Speed 3,979 lbs (1,805 kg)
Maximum Traction Force – Low Speed 7,508 lbs (3,406 kg)
Travel Speed – High 3 mph (5 kph)
Travel Speed – Low 2 mph (3 kph)

Undercarriage

Max Travel Speed 5 mph (7 kph)
Shoe Size 12 in (30 cm)

Weights

Operating Weight 7,573 lbs (3,435 kg)
Operating Weight – With Cab 7,835 lbs (3,554 kg)
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