CAT 303C CR Mini Excavator


Boom/Stick Option (Hex) 1

Shipping Length Of Unit 16.9 ft in (5100 mm)
Max Cutting Height 16.25 ft in (4950 mm)
Shipping Height Of Unit 8.21 ft in (2500 mm)
Max Loading Height 11.5 ft in (3490 mm)
Max Reach Along Ground 16.9 ft in (5100 mm)
Max Vertical Wall Digging Depth 7.1 ft in (2400 mm)
Max Digging Depth 9.7 ft in (2910 mm)
Boom/Stick Option (Hex) 1 Standard Stick

Boom/Stick Option (Hex) 2

Max Cutting Height 16.7 ft in (5060 mm)
Shipping Length Of Unit 15.8 ft in (4770 mm)
Max Loading Height 10.1 ft in (3610 mm)
Shipping Height Of Unit 8.21 ft in (2500 mm)
Max Reach Along Ground 17.7 ft in (5350 mm)
Max Vertical Wall Digging Depth 8.4 ft in (2550 mm)
Max Digging Depth 9.7 ft in (2910 mm)
Boom/Stick Option (Hex) 2 Long Stick

Dimensions

Width To Outside Of Tracks 5.08 ft in (1550 mm)
Length Of Track On Ground 7.25 ft in (2220 mm)
Ground Clearance 1.04 ft in (315 mm)
Height To Top Of Cab 8.17 ft in (2500 mm)
Tail Swing Radius 2.55 ft in (777.24 mm)
Track Gauge 4.1 ft in (1249.68 mm)
Maximum Dump Height – Long Stick 11.84 ft in (3.61 m)
Maximum Dump Height – Standard Stick 11.45 ft in (3.49 m)
Maximum Horizontal Reach – Long Stick 17.55 ft in (5.35 m)
Maximum Horizontal Reach – Standard Stick 16.73 ft in (5.1 m)
Maximum Reach – Ground Level – Standard Stick 16.8 ft in (5.13 m)
Maximum Vertical Dig Depth – Standard Stick 7.1 ft in (2.17 m)
Removal Counterweight Clearance 1.86 ft in (565 mm)
Shipping Height 8.2 ft in (2499.36 mm)
Maximum Digging Depth – Long Stick 10.5 ft in (3.21 m)
Maximum Cutting Height – Standard Stick 16.24 ft in (4.95 m)
Shipping Length 15.55 ft in (4739.65 mm)
Maximum Cutting Height – Long Stick 16.61 ft in (5.06 m)
Height – Over Cab 8.2 ft in (2.5 m)
Width – Over Track 5.09 ft in (1.56 m)
Maximum Digging Depth – Standard Stick 9.6 ft in (2.93 m)
Swing Radius – Rear 2.92 ft in (0.9 m)
Length – Center Of Rollers 16.73 ft
Track Shoe Width 0.98 ft in (0.3 m)
Transport Width 5.09 ft in (1551.44 mm)

Undercarriage

Shoe Size 11.82 in (300 mm)
Max Travel Speed 4.6 mph (2.8 km/h)

Swing System

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

Engine Details

Number Of Cylinders 3
Engine Make Mitsubishi
Engine Model S3Q2
Gross Power 31 hp (23.2 kw)
Net Power 30 hp (22.4 kw)
Power Measured @ 2300 rpm
Displacement 116 cu in (1.9 L)
Engine Model Mitsubishi S3Q2

Operational Specs

Operating Weight 7835 lb (3555 kg)
Fuel Tank Capacity 11.9 gal (45 L)
Cooling System Fluid Capacity 1.6 gal (6 L)
Hydraulic System Fluid Capacity 17.2 gal (65 L)
Engine Oil Capacity 1.6 gal (6 L)
Operating Voltage 12 V
Alternator Supplied Amperage 50 amps
Hydraulic System Relief Valve Pressure 3553 psi (245 kPa)
Hydraulic Pump Flow Capacity 23.2 gal/min (87.6 L/min)

Swing Mechanism

Swing Speed 9 rpm

Weights

Operating Weight 7573 lb (3435.1 kg)
Operating Weight – With Cab 7835 lb (3553.9 kg)

Blade

Height 13 in (330.2 mm)
Width 5.1 ft in (1549.4 mm)
Lift Height 16 in (406.4 mm)
Dig Depth 18 in (457.2 mm)

Hydraulic System

Operating Pressure – Swing 2495 psi
Operating Pressure – Equipment 3553 psi
Operating Pressure – Travel 3553 psi
Digging Force – Stick – Standard 4249 lb (1927.4 kg)
Digging Force – Stick – Long 3799 lb (1723.2 kg)
Digging Force – Bucket 7419 lb (3365.3 kg)
Auxiliary Circuit – Primary (245 Bar/3,553 Psi) 15.9 gal/min
Auxiliary Circuits – Secondary – At 174 Bar 7.1 gal/min

Service Refill Capacities

Cooling System 1.6 gal (6.1 L)
Fuel Tank Capacity 11.9 gal (45.1 L)
Hydraulic Tank 9.8 gal (37.1 L)
Hydraulic System 17.2 gal (65.2 L)
Engine Oil 1.6 gal (6.1 L)

Engine Dimensions

Bore 3.5 in (88.9 mm)
Stroke 4.1 in (104.2 mm)
Displacement 116 cu in (2 L)

Sound Levels

Cab 82 dB(A)
Canopy 78 dB(A)

Msc Comments

Msc Spec Date 12/05

Travel System

Maximum Traction Force – High Speed 3979 lb (1804.9 kg)
Maximum Traction Force – Low Speed 7508 lb (3405.6 kg)
Gradeability – Maximum – High 30 degrees
Travel Speed – High 2.9 mph (4.7 km/h)
Travel Speed – Low 1.6 mph (2.6 km/h)
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