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Caterpillar 303C CR Mini Hydraulic Excavators

Engineered by Caterpillar to deliver high levels of productivity, versatility and serviceability.

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Overview &
Specifications

Features
& Benefits

Standard
Equipment

Optional
Equipment

Work Tools &
Attachments

Engine

Engine	Mitsubishi S3Q2

Net power	30 hp / 22 kW

Gross power	31 hp / 23 kW

Bore	3.5 in / 88 mm

Stroke	4.1 in / 103 mm

Displacement	116 in3 / 1.9 L

Weights

Operating weight	7575 lb / 3435 kg

Operating weight with cab	7835 lb / 3555 kg

Dimensions

Max digging depth - standard stick	9.7 ft / 2910 mm

Max reach ground level - standard stick	16.9 ft / 5100 mm

Engine Dimensions

Bore	3.5 in / 88 mm

Stroke	4.1 in / 103 mm

Displacement	116 in3 / 1.9 L

Travel System

Travel speed - high	2.8 mph / 4.6 km/h

Travel speed - low	1.6 mph / 2.6 km/h

Gradeability (max) - high	30 Degrees / 30 Degrees

Hydraulic System

Operating pressures - equipment	3553 psi / 245 bar

Operating pressure - travel	3553 psi / 245 bar

Operating pressure - swing	2495 psi / 172 bar

Auxiliary circuit - primary (245 bar, 3550 psi)	15.9 gal/min / 60 L/min

Digging forces - stick (standard)	4250 lb / 18.9 kN

Digging force - stick (long)	3799 lb / 16.9 kN

Digging force - bucket	7420 lb / 33 kN

Swing System

Machine swing speed	9 RPM / 9 RPM

Boom swing - left (without stop)	80 Degrees / 80 Degrees

Boom swing - left (with stop)	55 Degrees / 55 Degrees

Boom Swing - right	50 Degrees / 50 Degrees

Sound Levels

Canopy	78 dB(A) / 78 dB(A)

Cab	82 dB(A) / 82 dB(A)

Blade

Width	61 in / 1550 mm

Height	12.8 in / 325 mm

Dig depth	18.5 in / 470 mm

Lift height	15.8 in / 400 mm

Service Refill Capacities

Cooling system	1.6 gal / 6 L

Engine oil	1.6 gal / 6 L

Fuel tank	11.9 gal / 45 L

Hydraulic tank	9.8 gal / 37 L

Hydraulic system	17.2 gal / 65 L

INDIANA'S LEADING EQUIPMENT DEALER

MacAllister Machinery has 14 convenient locations throughout Indiana: Beech Grove, Bloomington, Fishers, Fort Wayne, Greensburg, Indianapolis (HQ, Power Systems), Indianapolis (West), Lafayette, Muncie, Richmond, South Bend, Terre Haute, and Washington.

Headquarters: 7515 E 30th St, Indianapolis, IN 46219
Phone: (317) 545-2151 In-State Toll Free: (800) 382-1896 Out of State Toll Free: (800) 227-3228