9
304C CR Mini Hydraulic Excavator specifications
Hydraulic System
Load sensing hydraulics with variable displacement pump
Pump flow at 2400 RPM 119 L/min 31.4 gal/min
Operating pressures – equipment 245 bar 3,553 psi
Operating pressure – travel 245 bar 3,553 psi
Operating pressure – swing 176 bar 2,552 psi
Auxiliary circuit – Primary 70 L/min 18.5 gal/min
(186 bar/2,734 psi)
Auxiliary circuits – Secondary 35 L/min 9.25 gal/min
(174 bar/2,524 psi)
Digging forces – stick (standard) 24.7 kN 5,550 lb
Digging force – stick (long) 21.3 kN 4,788 lb
Digging force – bucket 44.7 kN 10,050 lb
Swing System
Machine swing speed 9 RPM
Boom swing – left (without stop) 80º
Boom swing – left (with stop) 60º
Swing – right 50º
• Automatic swing brake, spring applied, hydraulic release
• Centralized lubrication
Sound Levels
Canopy 78 dB(A)
Cab 80 dB(A)
• Operator sound pressure levels measured per ISO 6396
(dynamic).
Electrical System
• 50-amp alternator
• 12-volt, 650 CCA, 52 amp/h maintenance-free battery
• Sealed electrical connectors
Blade
Width 1980 mm 77.95 in
Height 375 mm 14.75 in
Dig depth 540 mm 21.25 in
Lift height 420 mm 16.55 in
• Blade flotation function provides easier operation
• Replaceable, hardened, wear resistant cutting edge
Engine
Model Mitsubishi S4Q2
Rated net power (ISO 9249) 31 kW 42 hp
Gross power 32 kW 43 hp
• Net power rating per ISO 9249 and EEC 80/1269
• Meets U.S. EPA Interim Tier 4 emission regulations
Weights
Operating weight with canopy 4800 kg 10,582 lb
Operating weight with cab 4920 kg 10,844 lb
• Weight with counterweight, rubber tracks, bucket, operator,
full fuel and auxiliary lines.
• Weight varies depending on machine configuration.
Engine Dimensions
Bore 88 mm 3.45 in
Stroke 103 mm 4.05 in
Displacement 2.505 L 153 in
3
Travel System
Travel speed – high 4.6 km/h 2.8 mph
Travel speed – low 2.6 km/h 1.6 mph
Max traction force – high speed 23 kN 5,170.6 lb
Max traction force – low speed 44.6 kN 10,027 lb
Gradeability (max) – high 30º
• Each track is driven by one independent 2-speed motor
• Drive modules are integrated into the roller frame for total
protection
• Straight line travel when tracking and operating the front
linkage simultaneously
Service Refill Capacities
Cooling system 11 L 2.90 gal
Engine oil 7 L 1.85 gal
Fuel tank 72 L 19.02 gal
Hydraulic tank 48 L 12.7 gal
Hydraulic system 78 L 20.6 gal
To Next Page
Loading...