Hewitt / Heavy Equipment / Caterpillar Products / Track Excavators / 303.5D CR Mini Hydraulic Excavator

Heavy Equipment

Track Excavators

303.5D CR Mini Hydraulic Excavator

Engine
Engine model	Mitsubishi S3Q2
Net power	22 kW / 30 hp
Gross power	23.2 kW / 31 hp

Weights
Operating weight	3540 kg / 7800 lb
Operating weight with cab	3700 kg / 8160 lb

Dimensions
Max digging depth - standard stick	2880 mm / 9.5 ft
Max reach ground level - standard stick	5060 mm / 16.7 ft

Engine Dimensions
Bore	88 mm / 3.5 in
Stroke	103 mm / 4.1 in
Displacement	1.9 L / 116 in³

Travel System
Travel speed - high	4.7 km/h / 2.9 mph
Travel speed - low	2.7 km/h / 1.7 mph

Hydraulic System
Operating pressures - equipment	245 bar / 3553 psi
Operating pressure - travel	245 bar / 3553 psi
Operating pressure - swing	172 bar / 2495 psi
Digging forces - stick (standard)	18.9 kN / 4250 lb
Digging force - stick (long)	16.9 kN / 3799 lb
Digging force - bucket	33 kN / 7420 lb

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

Blade
Width	1780 mm / 70 in
Height	325 mm / 12.8 in
Dig depth	470 mm / 18.5 in
Lift height	400 mm / 15.8 in

Service Refill Capacities
Cooling system	5.3 L / 1.4 gal
Engine oil	5.7 L / 1.5 gal
Fuel tank	45 L / 11.9 gal
Hydraulic tank	33 L / 8.7 gal
Hydraulic system	65 L / 17.2 gal