Caterpillar 303C CR Mini Excavator Specs

Category: Mini Excavators ➔
Manufacturer: Caterpillar ➔
Model: 303C CR ➔

The Caterpillar 303C CR Mini Excavator is a versatile machine designed for a wide range of excavation tasks. With a compact size and powerful engine, this excavator offers excellent digging depth and reach capabilities. Equipped with a Mitsubishi S3Q2 engine and advanced hydraulic system, this mini excavator delivers impressive performance and efficiency on the job site. Discover more about the specifications and features of the Caterpillar 303C CR below.

Blades

Caterpillar 303C CR Mini Excavator Blades specifications
Blade Height	13.00 in (33.02 cm)
Blade Lift Height	16.00 in (40.64 cm)
Blade Width	5.10 ft (1.55 m)
Dig Depth	18.00 in (45.72 cm)

Boom/Stick Excavator Option 1

Caterpillar 303C CR Mini Excavator Boom/Stick Excavator Option 1 specifications
Max Cutting Height	16.30 ft (4.97 m)
Max Digging Depth	9.70 ft (2.96 m)
Max Loading Height	11.50 ft (3.51 m)
Max Reach Along Ground	16.90 ft (5.15 m)
Max Vertical Wall Digging Depth	7.10 ft (2.16 m)
Shipping Height of Unit	8.30 ft (2.53 m)
Shipping Length of Unit	16.90 ft (5.15 m)

Boom/Stick Excavator Option 2

Caterpillar 303C CR Mini Excavator Boom/Stick Excavator Option 2 specifications
Max Cutting Height	16.70 ft (5.09 m)
Max Digging Depth	9.70 ft (2.96 m)
Max Loading Height	10.10 ft (3.08 m)
Max Reach Along Ground	17.70 ft (5.39 m)
Max Vertical Wall Digging Depth	8.40 ft (2.56 m)
Shipping Height of Unit	8.30 ft (2.53 m)
Shipping Length of Unit	15.80 ft (4.82 m)

Dimensions

Caterpillar 303C CR Mini Excavator Dimensions specifications
Ground Clearance	1.10 ft (0.34 m)
Height - Over Cab	8.20 ft (2.50 m)
Height - Top of Cab	8.20 ft (2.50 m)
Length of Track on Ground	7.30 ft (2.23 m)
Maximum Cutting Height - Long Stick	16.60 ft (5.06 m)
Maximum Cutting Height - Standard Stick	16.30 ft (4.97 m)
Maximum Digging Depth - Long Stick	10.50 ft (3.20 m)
Maximum Digging Depth - Standard Stick	9.60 ft (2.93 m)
Maximum Dump Height - Long Stick	11.90 ft (3.63 m)
Maximum Dump Height - Standard Stick	11.50 ft (3.51 m)
Maximum Horizontal Reach - Long Stick	17.60 ft (5.36 m)
Maximum Horizontal Reach - Standard Stick	16.80 ft (5.12 m)
Maximum Reach - Ground Level - Standard Stick	16.80 ft (5.12 m)
Maximum Vertical Dig Depth - Standard Stick	7.10 ft (2.16 m)
Removal Counterweight Clearance	1.90 ft (0.58 m)
Shipping Height	8.20 ft (2.50 m)
Shipping Length	15.60 ft (4.75 m)
Swing Radius - Rear	3.00 ft (0.91 m)
Tail Swing Radius	2.60 ft (0.79 m)
Track Gauge	4.10 ft (1.25 m)
Track Shoe Width	1.00 ft (0.30 m)
Transport Width	5.10 ft (1.55 m)
Width - Over Track	5.10 ft (1.55 m)
Width to Outside of Tracks	5.10 ft (1.55 m)

Engine

Caterpillar 303C CR Mini Excavator Engine specifications
Bore	3.50 in (8.89 cm)
Displacement	116.00 cu in (1,900.90 cu cm)
Engine Model	Mitsubishi S3Q2
Gross Power	31.00 hp (23.12 kw)
Net Power	30.00 hp (22.37 kw)
Number of Cylinders	3
Power Measured @	2300 rpm
Stroke	4.10 in (10.41 cm)

Hydraulic System

Caterpillar 303C CR Mini Excavator Hydraulic System specifications
Auxiliary Circuit - Primary (245 bar/3,553 psi)	15.90 gpm (60.18 lpm)
Digging Force - Bucket	7,419.00 lbs (3,365.21 kg)
Digging Force - Stick - Long	3,799.00 lbs (1,723.20 kg)
Digging Force - Stick - Standard	4,249.00 lbs (1,927.32 kg)
Operating Pressure - Equipment	3553 psi
Operating Pressure - Swing	2495 psi
Operating Pressure - Travel	3553 psi

Operating Specifications

Caterpillar 303C CR Mini Excavator Operating Specifications specifications
Alternator Supplied Amperage	50 amps
Cooling System Fluid Capacity	1.60 gal (6.06 l)
Engine Oil Capacity	1.60 gal (6.06 l)
Fuel Capacity	11.90 gal (45.04 l)
Hydraulic Pump Flow Capacity	23.20 gpm (87.81 lpm)
Hydraulic System Fluid Capacity	17.20 gal (65.10 l)
Hydraulic System Relief Valve Pressure	3553 psi
Operating Voltage	12 volts
Operating Weight	7,835.00 lbs (3,553.90 kg)

Service Refill Capacities

Caterpillar 303C CR Mini Excavator Service Refill Capacities specifications
Cooling System	1.60 gal (6.06 l)
Engine Oil	1.60 gal (6.06 l)
Fuel Tank	11.90 gal (45.04 l)
Hydraulic System	17.20 gal (65.10 l)
Hydraulic Tank	9.80 gal (37.09 l)

Swing Mechanism

Caterpillar 303C CR Mini Excavator Swing Mechanism specifications
Swing Speed	9 rpm

Swing System

Caterpillar 303C CR Mini Excavator Swing System specifications
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

Caterpillar 303C CR Mini Excavator Travel System specifications
Maximum Traction Force - High Speed	3,979.00 lbs (1,804.85 kg)
Maximum Traction Force - Low Speed	7,508.00 lbs (3,405.58 kg)
Travel Speed - High	2.90 mph (4.67 kph)
Travel Speed - Low	1.60 mph (2.57 kph)

Undercarriage

Caterpillar 303C CR Mini Excavator Undercarriage specifications
Max Travel Speed	4.60 mph (7.40 kph)
Shoe Size	11.90 in (30.23 cm)

Weights

Caterpillar 303C CR Mini Excavator Weights specifications
Operating Weight	7,573.00 lbs (3,435.06 kg)
Operating Weight - With Cab	7,835.00 lbs (3,553.90 kg)

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