Cat Excavators:
303.5E2 CR Hydraulic Excavator
- Engine Model
- Cat® C1.7
- Net Power
- 23.5 hp
- Operating Weight
- 8209 lb
- Gross Power
- 24.8 hp
The Cat E2 Series Mini Hydraulic Excavators are designed to carry on the solid performance of their E Series predecessors, while adding even greater value for the customer. The new High Definition Hydraulic (HDH) System, redesigned operator station and enhanced digital control panel specially designed for Cat Mini Excavators – COMPASS (Complete, Operation, Maintenance, Performance And Security System) – are all standard features that improve performance and increase value.
Product Specs
-
Engine
- Engine Model
- Cat® C1.7
- Net Power
- 23.5hp
- Gross Power
- 24.8hp
- Bore
- 3.4in
- Stroke
- 3.6in
- Displacement
- 104in3
- Net Power (ISO 9249)
- 23.5hp
- Rated Net Power (ISO 9249)
- 23.5hp
- Note
- Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
- Engine Model
- Cat® C1.7
- Net Power
- 23.5HP
- Gross Power
- 24.8HP
- Bore
- 3.4in
- Displacement
- 104in³
- Stroke
- 3.6in
- Net Power - ISO 9249
- 23.5HP
- Note
- Cat C1.7 engine meets U.S. EPA Tier 4 Final/EU Stage IIIB emission standards.
- Rated Net Power - ISO 9249
- 23.5HP
-
Weights
- Operating Weight
- 8209lb
- Operating Weight - With Cab
- 8209lb
- Operating Weight with Canopy
- 7803lb
- Note
- Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Operating Weight
- 8209lb
- Note
- Weight includes rubber tracks, bucket, operator, full fuel and auxiliary lines.
- Operating Weight - With Canopy
- 7803lb
-
Swing System
- Machine Swing Speed
- 10rpm
- Boom Swing - Left - Without Stop
- 80°
- Boom Swing - Left - With Stop
- 55°
- Swing - Right
- 50°
- Machine Swing Speed
- 10r/min
-
Blade
- Width
- 70in
- Height
- 13in
- Dig Depth
- 19in
- Lift Height
- 16in
- Width
- 70in
-
Service Refill Capacities
- Cooling System
- 1.5gal
- Engine Oil
- 1.8gal
- Hydraulic Tank
- 11.2gal
- Fuel Tank
- 12.2gal
- Hydraulic System
- 17.2gal
- Cooling System
- 1.5gal (US)
- Engine Oil
- 1.8gal (US)
- Hydraulic Tank
- 11.2gal (US)
- Fuel Tank
- 12.2gal (US)
- Hydraulic System
- 17.2gal (US)
-
Travel System
- Travel Speed – High
- 2.9mph
- Travel Speed – Low
- 2.0mph
- Maximum Traction Force - High Speed
- 3822lbf
- Maximum Traction Force - Low Speed
- 6992lbf
- Ground Pressure
- 4.6psi
- Travel Speed - High
- 2.9mile/h
- Travel Speed - Low
- 2mile/h
- Ground Pressure
- 4.6psi
-
Hydraulic System
- Pump Flow
- 26.4gal/min
- Operating Pressure - Equipment
- 3553psi
- Operating Pressure - Travel
- 3553psi
- Operating Pressure - Swing
- 3132psi
- Auxiliary Circuit - Primary
- 18.5gal/min
- Auxiliary Circuit - Secondary
- 6.6gal/min
- Digging Force - Stick - Standard
- 4249lbf
- Digging Force - Stick - Long
- 3799lbf
- Digging Force = Bucket
- 7419lbf
- Type
- Load Sensing Hydraulics with Variable Displacement Piston Pump
- Digging Force - Bucket
- 7419lbf
- Note
- Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
- Pump Flow at 2,200 rpm
- 26.4gal/min
- Maximum Auxiliary Circuit - Secondary - Pressure at Pump
- 3553psi
-
Operating Specifications
- Maximum Dig Depth
- 125in
- Maximum Dig Depth
- 125in
Equipment
-
- Engine
-
- Cat C1.7 Tier 4 Final diesel engine
- Automatic engine idle
- Automatic engine shut-off
- Automatic two speed travel
- Fuel and water separator
-
- 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
-
- 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
-
- 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
-
- Front Linkage
-
- 200 degree bucket rotation
- Certified lifting eye on bucket linkage
- Front shovel capable
- Thumb ready stick
-
- 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
-
- Lights And Mirrors
-
- Boom light with time delay capability
-
- 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
-
- Engine
-
- Engine block heater
-
- Hydraulic System
-
- Quick coupler lines
- Boom lowering check valve
- Stick lowering check valve
- Secondary auxiliary hydraulic lines
-
- Operator Environment
-
- Cab:
– Air conditioning
– Heat
– High back suspension seat
– Interior light
– Interlocking front window system
– Radio
– Windshield wiper
- Cab:
-
- Undercarriage
-
- Power angle blade
- Track, double grouser (steel), 300 mm (12 in)
-
- Front Linkage
-
- Quick coupler: manual or hydraulic
- Thumb
- Buckets
- Full range of performance matched work tools
– Auger, hammer, ripper
-
- Lights And Mirrors
-
- Light, cab with time delay capability
- Mirror, canopy right
- Mirror, canopy left
- Mirror, cab rear
-
- Safety And Security
-
- Battery disconnect
- Beacon socket
- Front wire mesh guard
- Rearview camera
- Vandal guard
-
- Technology
-
- Product Link™