Caterpillar 303.5C CR Mini Excavator Specs

Category: Mini Excavators ➔
Manufacturer: Caterpillar ➔
Model: 303.5C CR ➔

The Caterpillar 303.5C CR is a compact mini excavator designed for utility, landscaping, site preparation, and light demolition work. It features a reduced tail swing design for operation in confined spaces, improving maneuverability near walls, buildings, and other obstacles. The machine is typically equipped with a diesel engine, hydraulic system for attachment use, and a dig depth suitable for small to medium excavation tasks. Common applications include trenching, grading, backfilling, and material handling. The 303.5C CR is part of Caterpillar's mini excavator lineup and is used where compact size, transportability, and versatile performance are required.

Boom/Stick 1

Caterpillar 303.5C CR Mini Excavator Boom/Stick 1 specifications
Boom/Stick 1	Standard Stick
Max Cutting Height	16.50 ft (5.03 m)
Max Digging Depth	10.33 ft (3.15 m)
Max Loading Height	11.75 ft (3.58 m)
Max Reach Along Ground	17.18 ft (5.24 m)
Max Vertical Wall Digging Depth	8.17 ft (2.49 m)
Shipping Height Of Unit	8.17 ft (2.49 m)
Shipping Length Of Unit	15.83 ft (4.82 m)

Boom/Stick 2

Caterpillar 303.5C CR Mini Excavator Boom/Stick 2 specifications
Boom/Stick 2	Long Stick
Max Cutting Height	16.75 ft (5.11 m)
Max Digging Depth	11.33 ft (3.45 m)
Max Loading Height	12.00 ft (3.66 m)
Max Reach Along Ground	18.08 ft (5.51 m)
Max Vertical Wall Digging Depth	8.67 ft (2.64 m)
Shipping Height Of Unit	8.17 ft (2.49 m)
Shipping Length Of Unit	16.18 ft (4.93 m)

Dimensions

Caterpillar 303.5C CR Mini Excavator Dimensions specifications
Ground Clearance	1.12 ft (0.34 m)
Height To Top Of Cab	8.17 ft (2.49 m)
Length Of Track On Ground	7.25 ft (2.21 m)
Removal Counterweight Clearance	1.83 ft (0.56 m)
Tail Swing Radius	3.17 ft (0.97 m)
Width To Outside Of Tracks	5.83 ft (1.78 m)

Engine

Caterpillar 303.5C CR Mini Excavator Engine specifications
Displacement	114.60 cu in (1,877.96 cu cm)
Engine Make	2251
Engine Model	S3Q2T
Gross Power	41.00 hp (30.57 kw)
Net Power	39.40 hp (29.38 kw)
Number Of Cylinders	3
Power Measured @	2400 rpm

Operational

Caterpillar 303.5C 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	13.50 gal (51.10 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	8,200.00 lbs (3,719.46 kg)

Swing Mechanism

Caterpillar 303.5C CR Mini Excavator Swing Mechanism specifications
Swing Speed	9 rpm

Undercarriage

Caterpillar 303.5C CR Mini Excavator Undercarriage specifications
Max Travel Speed	2.80 mph (4.51 kph)
Shoe Size	12.00 in (30.48 cm)
Track Gauge	4.83 ft (1.47 m)

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