Hewitt / Heavy Equipment / Caterpillar Products / Track Excavators / 304C CR Mini Hydraulic Excavator

Heavy Equipment

Track Excavators

304C CR Mini Hydraulic Excavator

Engine
Engine model	Mitsubishi S4Q2
Net power	31 kW / 42 hp
Gross power	32.2 kW / 43.2 hp

Weights
Operating weight	4800 kg / 10582 lb
Operating weight with cab	4920 kg / 10844 lb

Dimensions
Max digging depth - standard stick	3300 mm / 10.8 ft
Max reach ground level - standard stick	5460 mm / 17.9 ft

Engine Dimensions
Bore	88 mm / 3.5 in
Stroke	103 mm / 4.1 in
Displacement	2.5 L / 153 in³

Travel System
Travel speed - high	4.6 km/h / 2.9 mph
Travel speed - low	2.6 km/h / 1.6 mph
Gradeability (max) - high	30 Degrees / 30 Degrees

Hydraulic System
Operating pressures - equipment	245 bar / 3553 psi
Operating pressure - travel	245 bar / 3553 psi
Operating pressure - swing	176 bar / 2553 psi
Auxiliary circuit - primary (245 bar, 3550 psi)	70 L/min / 18.5 gal/min
Digging forces - stick (standard)	24.7 kN / 5553 lb
Digging force - stick (long)	21.3 kN / 4788 lb
Digging force - bucket	44.7 kN / 10049 lb

Swing System
Machine swing speed	9 RPM / 9 RPM
Boom swing - left (without stop)	80 Degrees / 80 Degrees
Boom swing - left (with stop)	60 Degrees / 60 Degrees
Boom Swing - right	50 Degrees / 50 Degrees

Sound Levels
Canopy	78 dB(A) / 78 dB(A)
Cab	80 dB(A) / 80 dB(A)

Blade
Width	1980 mm / 78 in
Height	375 mm / 15 in
Dig depth	540 mm / 21 in
Lift height	420 mm / 17 in

Service Refill Capacities
Cooling system	11 L / 2.9 gal
Engine oil	7 L / 1.8 gal
Fuel tank	72 L / 19 gal
Hydraulic tank	48 L / 12.7 gal
Hydraulic system	78 L / 20.6 gal