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Caterpillar · Mini Excavator

Caterpillar 303.5C CR Specs

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Overview
The Caterpillar 303.5C CR is a mini excavator listed in the Heavy Equipment Hub equipment database with structured specifications for comparison, research, and machine selection. Key specification points include engine power of 39 hp, operating weight of 8,200 lb, working depth of 10.33 ft, reach of 17.18 ft, travel speed of 2.8 mph and fuel capacity of 13.5 gal. This model can be reviewed for excavation, trenching, loading, site preparation, and fleet comparison workflows. Use the full specifications table to compare the Caterpillar 303.5C CR against similar mini excavator models by power, weight, capacity, dimensions, speed, and other technical values.
Key Specifications
Operating Weight
8,200
lb
Net Power
39.40
hp
Gross Power
41
hp
Max Digging Depth
10.33
ft
Full Specifications
34 specs
Dimensions
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
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
Removal Counterweight Clearance 2 lb / 1 kg
Shipping Height Of Unit 8.17 ft / 2.49 m
Shipping Length Of Unit 15.83 ft / 4.82 m
Standard stick 2
Tail Swing Radius 3.17 ft / 0.97 m
Width To Outside Of Tracks 5.83 ft / 1.78 m
Engine
Alternator Supplied Amperage 50 A
Cooling System Fluid Capacity 1.60 gal / 6.1 L
Displacement 115 cu in / 1.9 L
Engine Make 2251
Engine Model S3Q2T
Engine Oil Capacity 1.60 gal / 6.1 L
Fuel Capacity 13.50 gal / 51.1 L
Gross Power 41 hp / 30.6 kW
Hydraulic Pump Flow Capacity 23.20 gal/min / 87.8 L/min
Hydraulic System Fluid Capacity 17.20 gal / 65.1 L
Hydraulic System Relief Valve Pressure 3,553 psi / 245.0 bar
Net Power 39 hp / 29.4 kW
Number of Cylinders 3
Operating Voltage 12 V
Operating Weight 8,200 lb / 3,719 kg
Power Measured @ 2,400 rpm
Swing Speed 9 deg
Undercarriage
Max Travel Speed 2.80 mph / 4.5 km/h
Shoe Size 12 in / 305 mm
Track Gauge 4.83 ft / 1.47 m

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Frequently Asked Questions

What is the operating weight of the Caterpillar 303.5C CR? +

The Caterpillar 303.5C CR has an operating weight of 8,200 lb (3,719 kg). This places it in a class suited for mini excavator applications where ground pressure and transport weight are key considerations.

How powerful is the Caterpillar 303.5C CR engine? +

The Caterpillar 303.5C CR produces 41 hp (30.6 kW) of engine power. This output is typical for its weight class and designed to handle demanding Mini Excavator work cycles efficiently.

What is the maximum digging depth of the Caterpillar 303.5C CR? +

The Caterpillar 303.5C CR has a maximum digging depth of 10.33 ft (3.15 m). This makes it suitable for trenching, foundation work, and other excavation tasks requiring vertical reach.

What is the maximum reach of the Caterpillar 303.5C CR? +

The Caterpillar 303.5C CR has a maximum reach along the ground of 17.18 ft (5.24 m), allowing it to work effectively across wide areas without repositioning.

What is the travel speed of the Caterpillar 303.5C CR? +

The Caterpillar 303.5C CR has a maximum travel speed of 2.8 mph (4.5 km/h), enabling efficient movement between work areas on the job site.

How does the Caterpillar 303.5C CR compare to similar Mini Excavator models? +

You can compare the Caterpillar 303.5C CR side by side with any other model using the Heavy Equipment Hub compare tool. Key comparison points include engine power, operating weight, digging depth, hydraulic flow, and overall dimensions.

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