Excavators
303.5E2 CR Hydraulic Excavator
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Engine ModelCat® C1.7
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Net Power23.5 HP
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Net Power23.5 hp
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Engine ModelCat® C1.7
Engine
- Engine Model
- Cat® C1.7
- Net Power
- 23.5 HP
- Net Power
- 23.5 hp
- Engine Model
- Cat® C1.7
- Gross Power
- 24.8 hp
- Gross Power
- 24.8 HP
- Bore
- 3.4 in
- Stroke
- 3.6 in
- Displacement
- 104 in3
- Bore
- 3.4 in
- Displacement
- 104 in³
- Stroke
- 3.6 in
- Net Power
- 23.5 hp
- Rated Net Power
- 23.5 hp
- Note
- Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
- Net Power
- 23.5 HP
- Note
- Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
- Rated Net Power
- 23.5 HP
Weights
- Operating Weight
- 8209 lb
- Operating Weight
- 8209 lb
- Operating Weight
- 8209 lb
- Operating Weight with Canopy
- 7803 lb
- Note
- Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Note
- Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Operating Weight
- 7803 lb
Travel System
- Travel Speed
- 2.9 mph
- Travel Speed
- 2.0 mph
- Maximum Traction Force
- 3822 lbf
- Maximum Traction Force
- 6992 lbf
- Travel Speed
- 2.9 mile/h
- Travel Speed
- 2 mile/h
- Ground Pressure
- 4.6 psi
- Ground Pressure
- 4.6 psi
Hydraulic System
- Pump Flow
- 26.4 gal/min
- Operating Pressure
- 3553 psi
- Operating Pressure
- 3553 psi
- Operating Pressure
- 3132 psi
- Auxiliary Circuit
- 18.5 gal/min
- Auxiliary Circuit
- 6.6 gal/min
- Digging Force
- 4249 lbf
- Digging Force
- 3799 lbf
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Note
- Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
- Pump Flow at 2
- 26.4 gal/min
- Maximum Auxiliary Circuit
- 6.6 gal/min
- Maximum Auxiliary Circuit
- 3553 psi
- Maximum Auxiliary Circuit
- 15.9 gal/min
- Maximum Auxiliary Circuit
- 3553 psi
- Digging Force
- 7419 lbf
- Digging Force
- 7419 lbf
Swing System
- Machine Swing Speed
- 10 rpm
- Machine Swing Speed
- 10 r/min
- Boom Swing
- 80°
- Boom Swing
- 55°
- Swing
- 50°
Blade
- Width
- 70 in
- Width
- 70 in
- Height
- 13 in
- Dig Depth
- 19 in
- Lift Height
- 16 in
Service Refill Capacities
- Cooling System
- 1.5 gal (US)
- Engine Oil
- 1.8 gal (US)
- Hydraulic Tank
- 11.2 gal (US)
- Fuel Tank
- 12.2 gal (US)
- Cooling System
- 1.5 gal
- Engine Oil
- 1.8 gal
- Hydraulic Tank
- 11.2 gal
- Fuel Tank
- 12.2 gal
- Hydraulic System
- 17.2 gal
- Hydraulic System
- 17.2 gal (US)
Operating Specifications
- Maximum Dig Depth
- 125 in
- Maximum Dig Depth
- 125 in
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ENGINE
- Cat C1.7 Tier 4 Final diesel engine
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Fuel and water separator
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HYDRAULIC SYSTEM
- 1-way and 2-way (combined function)
- Accumulator
- Automatic swing parking brake
- Auxiliary hydraulic lines
- Adjustable auxiliary relief
- Auxiliary line quick disconnects
- Cat interlock system: hydraulic lockout
- Continuous auxiliary flow
- Ecology drain
- Hydraulic oil cooler
- High definition hydraulics
- Load sensing/flow sharing
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OPERATOR ENVIRONMENT
- 100% pilot control ergonomic joysticks
- Adjustable armrests
- COMPASS: complete, operation, maintenance, performance and security system
– Multiple languages - Cup holder
- Hydraulic neutral lockout bar
- Literature holder
- Site reference system: leveling
- Tool storage area
- Travel control pedals with hand levers
- Washable floor mat
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UNDERCARRIAGE
- Dozer blade with float function
- Track, rubber belt, 300 mm (12 in) width
- Tie down eyes on track frame
- Towing eye on base frame
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FRONT LINKAGE
- 200 degree bucket rotation
- Certified lifting eye on bucket linkage
- Front shovel capable
- Thumb ready stick
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ELECTRICAL
- 12 volt electrical system
- 60 ampere alternator
- 650 CCA maintenance free battery
- Fuse box
- Ignition key start/stop switch
- Slow blow fuse
- Warning horn
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LIGHTS AND MIRRORS
- Boom light with time delay capability
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SAFETY AND SECURITY
- Anti-theft system (compass)
- Caterpillar Corporate “One Key” System
- Door locks
- Lockable fuel cap
- Retractable seat belt
- Roll Over Protective Structure (ROPS) (ISO 12117-2)
- Tip Over Protective Structure (TOPS) (ISO 12117)
- Top guard – ISO 10262 (Level 1)
- Travel alarm
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ENGINE
- Engine block heater
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HYDRAULIC SYSTEM
- Quick coupler lines
- Boom lowering check valve
- Stick lowering check valve
- Secondary auxiliary hydraulic lines
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OPERATOR ENVIRONMENT
- Cab:
– Air conditioning
– Heat
– High back suspension seat
– Interior light
– Interlocking front window system
– Radio
– Windshield wiper
- Cab:
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UNDERCARRIAGE
- Power angle blade
- Track, double grouser (steel), 300 mm (12 in)
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FRONT LINKAGE
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
– Auger, hammer, ripper
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LIGHTS AND MIRRORS
- Light, cab with time delay capability
- Mirror, canopy right
- Mirror, canopy left
- Mirror, cab rear
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SAFETY AND SECURITY
- Battery disconnect
- Beacon socket
- Front wire mesh guard
- Rearview camera
- Vandal guard
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TECHNOLOGY
- Product Link™
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