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.

Blade

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

Boom/Stick 1

Caterpillar 303C CR Mini Excavator Boom/Stick 1 specifications
Boom/Stick 1	Standard Stick
Max Cutting Height	16.25 ft (4.95 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	8.21 ft (2.50 m)
Shipping Length Of Unit	16.90 ft (5.15 m)

Boom/Stick 2

Caterpillar 303C CR Mini Excavator Boom/Stick 2 specifications
Boom/Stick 2	Long Stick
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	8.21 ft (2.50 m)
Shipping Length Of Unit	15.80 ft (4.82 m)

Dimensions

Caterpillar 303C CR Mini Excavator Dimensions specifications
Ground Clearance	1.04 ft (0.32 m)
Height - Over Cab	8.20 ft (2.50 m)
Height To Top Of Cab	8.17 ft (2.49 m)
Length - Center Of Rollers	16.73 ft
Length Of Track On Ground	7.25 ft (2.21 m)
Maximum Cutting Height - Long Stick	16.61 ft (5.06 m)
Maximum Cutting Height - Standard Stick	16.24 ft (4.95 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	11.84 ft (3.61 m)
Maximum Dump Height - Standard Stick	11.45 ft (3.49 m)
Maximum Horizontal Reach - Long Stick	17.55 ft (5.35 m)
Maximum Horizontal Reach - Standard Stick	16.73 ft (5.10 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	1.86 ft (0.57 m)
Shipping Height	8.20 ft (2.50 m)
Shipping Length	15.55 ft (4.74 m)
Swing Radius - Rear	2.92 ft (0.89 m)
Tail Swing Radius	2.55 ft (0.78 m)
Track Gauge	4.10 ft (1.25 m)
Track Shoe Width	0.98 ft (0.30 m)
Transport Width	5.09 ft (1.55 m)
Width - Over Track	5.09 ft (1.55 m)
Width To Outside Of Tracks	5.08 ft (1.55 m)

Engine

Caterpillar 303C CR Mini Excavator Engine specifications
Displacement	116.00 cu in (1,900.90 cu cm)
Engine Make	2251
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

Engine Dimensions

Caterpillar 303C CR Mini Excavator Engine Dimensions specifications
Bore	3.50 in (8.89 cm)
Displacement	116.00 cu in (1,900.90 cu cm)
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)
Auxiliary Circuits - Secondary - At 174 Bar	7.10 gpm (26.87 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

Msc Comments

Caterpillar 303C CR Mini Excavator Msc Comments specifications
Msc Spec Date	12/05

Operational

Caterpillar 303C CR Mini Excavator Operational 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 V
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)

Sound Levels

Caterpillar 303C CR Mini Excavator Sound Levels specifications
Cab	82 dB(A)
Canopy	78 dB(A)

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
Gradeability - Maximum - High	30 degrees
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	11.82 in (30.02 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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