305 CR Mini Hydraulic Excavator
THE RUNDOWN
ALL DAY COMFORT
- Choose either a canopy or a sealed and pressurized cab which can be equipped with air conditioning, adjustable wrist rests, and a suspension seat to help keep you working comfortably all day long.
EASY TO OPERATE
- Controls are easy to use and the intuitive Next Generation LCD monitor provides easy to read machine information. An advanced touchscreen monitor can also be equipped as an upgrade option.
STICK STEER TRAVEL MODE
- Moving around the job site is even easier with the Cat Stick Steer option. Easily switch from traditional travel controls with levers and pedals to joystick controls to move the machine and to operate the blade. The benefit of less effort and improved control is in your hands!
BIG PERFORMANCE IN A COMPACT DESIGN
- Strong lift and dig performance helps you get the job done faster. The compact radius design lets you access and work in the tightest areas. Dig-to-blade and dozer blade float allows for easy clean up. An angle blade is also an option for finished grading and easier backfilling applications.
SAFETY ON THE JOB SITE
- Your safety is our top priority. The Cat mini excavator is designed to help keep you safe on the job. Courtesy work lights and a fluorescent retractable seat belt with optional seat belt reminder system are just a couple of the safety features we’ve built into the machine.
SIMPLE SERVICE FOR LESS DOWNTIME
- Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side doors.
LOWER OPERATING COSTS
- Equipped with features such as auto idle, auto engine shutdown, and efficient hydraulics with a variable displacement pump, the Cat mini excavator was designed with reducing your operating costs in mind.
UNMATCHED DEALER SUPPORT
- Your Cat dealer is here to help you reach your business goals. From providing equipment solutions to operator training to service needs and beyond, your Cat dealer is ready to help.
Engine
| Net Power | 45hp |
| Engine Model | C1.7 Turbo |
| Displacement | 101in³ |
| Emissions | The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Note (2) | Net power advertised is the power available at the flywheel when the engine is at the rated speed of 2400 rpm and the engine is installed with the factory configured fan, air intake system, exhaust system and alternator with a minimum alternator load. |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 45hp |
| Note | Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 48.4hp |
| Stroke | 3.9in |
| Bore | 3.3in |
Weights
| Operating Weight | 12688lb |
| Minimum Operating Weight with Canopy* | 11016lb |
| Note (1) | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight. |
| Minimum Operating Weight with Cab* | 11234lb |
| Maximum Operating Weight with Cab** | 12688lb |
| Maximum Operating Weight with Canopy** | 12469lb |
| Note (2) | **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket. |
Dimensions - Long Stick
| Dig Depth | 144.5in |
| O/A Undercarriage Length | 101.6in |
| Tail Swing with Counterweight | 47.2in |
| Vertical Wall | 100.8in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Overall Shipping Length* | 210.2in |
| Maximum Dig Height | 210.8in |
| Stick Length | 63in |
| Track Width | 78in |
| Maximum Blade Depth | 23.4in |
| Maximum Dump Clearance | 151.4in |
| Boom Swing - Left | 615mm |
| Boom Swing - Right | 34.1° |
| Swing Bearing - Height | 24.4in |
| Boom Height - Shipping Position | 74.6in |
| Boom In Reach | 101.6in |
| Maximum Reach | 235.8in |
| Track Belt/Shoe Width | 15.7in |
| Maximum Reach - Ground Level | 229.7in |
| Maximum Blade Height | 15.2in |
| O/A Shipping Height | 100.4in |
| Tail Swing without Counterweight | 43.1in |
| Ground Clearance | 13.2in |
Travel System
| Travel Speed - High | 3.1mile/h |
| Gradeability - Maximum | 30 degrees |
| Ground Pressure - Minimum Weight | 4psi |
| Maximum Traction Force - Low Speed | 11353lbf |
| Ground Pressure - Maximum Weight | 4.7psi |
| Travel Speed - Low | 1.7mile/h |
| Maximum Traction Force - High Speed | 5553lbf |
Dimensions - Standard Stick
| Stick Length | 53.2in |
| Track Belt/Shoe Width | 15.7in |
| Boom In Reach | 101.2in |
| Vertical Wall | 91.9in |
| Tail Swing with Counterweight | 47.2in |
| Maximum Dump Clearance | 145.7in |
| O/A Shipping Height | 100.4in |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Maximum Dig Height | 205.3in |
| Maximum Blade Height | 15.2in |
| Dig Depth | 134.6in |
| Boom Swing - Right | 34.1° |
| Maximum Reach - Ground Level | 220.1in |
| Tail Swing without Counterweight | 43.1in |
| Boom Height - Shipping Position | 71.7in |
| Maximum Blade Depth | 23.4in |
| Maximum Reach | 226.6in |
| Boom Swing - Left | 24.2° |
| Overall Shipping Length* | 208.9in |
| O/A Undercarriage Length | 101.6in |
| Swing Bearing - Height | 24.4in |
| Ground Clearance | 13.2in |
Hydraulic System
| Auxiliary Circuit - Secondary - Flow | 7gpm |
| Digging Force - Stick - Standard | 6362lbf |
| Auxiliary Circuit - Primary - Pressure | 3843psi |
| Auxiliary Circuit - Primary - Flow | 21gpm |
| Digging Force - Bucket | 11061lbf |
| Operating Pressure - Equipment | 3843psi |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Digging Force - Stick - Long | 5665lbf |
| Auxiliary Circuit - Secondary - Pressure | 3843psi |
| Pump Flow at 2,400 rpm | 35gpm |
| Operating Pressure - Swing | 2901psi |
| Operating Pressure - Travel | 3843psi |
Weight Increase from Minimum Configuration
| Long Stick | 75lb |
| Steel Tracks with Pads | 827lb |
| Counterweight | 534lb |
| Angle Blade | 225lb |
Sound
| Operator Sound Pressure (ISO 6396:2008) | 76dB(A) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 97dB(A) |
| Note | *The declared dynamic operator sound pressure levels per ISO 6396:2008. The measurements were conducted with the cab doors and windows closed. **The labeled sound power level for the CE marked configurations when measured according to the test procedure and conditions specified in 2000/14/EC. |
Swing System
| Boom Swing - Right | 50 Degrees |
| Boom Swing - Left | 72 Degrees |
| Machine Swing Speed | 9r/min |
Service Refill Capacities
| Hydraulic System | 20gal (US) |
| Cooling System | 2.9gal (US) |
| Hydraulic Tank | 16gal (US) |
| Fuel Tank | 17gal (US) |
| Engine Oil | 1.6gal (US) |
Blade
| Angle Blade Height | 15.7in |
| Angle Blade - Left | 25 degrees |
| Angle Blade - Right | 25 degrees |
| Angle Blade Width | 78in |
| Straight Blade Height | 15.4in |
| Straight Blade Width | 78in |
Certification - Cab and Canopy
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 |
| Top Guard | ISO 10262:1998 Level I |
Sustainability
| Recyclability | 96% |
Standard Equipment
ENGINE
- Cat® C1.7 Turbo Engine (U.S. EPA Tier 4 Final)
- Automatic Engine Idle
- Automatic Engine Shutdown
- Automatic Two Speed Travel
- Fuel Water Separator
- Power on Demand (not available in all regions)
- Variable Displacement Piston Pump
- Load Sensing/Flow Sharing Hydraulics
HYDRAULICS
- Smart Tech Electronic Pump
- Accumulator
- Automatic Swing Brake
- Auxiliary Hydraulic Lines
- One and Two Way Auxiliary Flow
- Continuous Auxiliary Flow
- Auxiliary Line Quick Disconnects
GUARDING
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262:1998 (Level I)
OTHER
- Eco Drain
OPERATOR ENVIRONMENT
- LED Front and Rear Lights
- LED Boom Light
- Canopy or Cab
- Top Guard ISO 10262:1998 Level I
- ROPS – ISO 12117-2:2008
- TOPS – ISO 12117:1997
- Stick Steer Mode
- Travel Cruise Control
- Control Pattern Changer (optional in some regions)
- Adjustable Wrist Rests
- Washable Floor Mat
- Travel Pedals and Hand Levers
- Machine Security
- Machine Security – Standard Key with Pass Code
- Fabric Suspension Seat (Cab only)
- Vinyl Suspension Seat (Canopy only)
- Hydraulic Lockout – All Controls
- Retractable High Visibility Seat Belt (75 mm/3 in)
- Coat Hook
- Cup Holder
- Storage Pocket
- Skylight
- Mounting Bosses for Front
- Signaling/Warning Horn
- Interior Light (Cab only)
- Boom Light, Halogen (not available in all regions)
- Utility Space for Mobile Phone
- Next Generation Color LCD Monitor (IP66)– Fuel Level and Coolant Temperature Gauges– Maintenance and Machine Monitoring– Performance and Machine Adjustments– Numeric Security Code– Multiple Languages– Hour Meter with Wake Up Switch– Jog Dial (cab only)
UNDERCARRIAGE
- Rubber Belt (400 mm/15.7 in)
- Dozer Straight Blade
- Dozer Blade Float
- Tie Downs on Track Frame
BOOM, STICK AND LINKAGES
- One Piece Boom (2716 mm/106.9 in)
- Standard Stick (1351 mm/53.2 in)
- Front Shovel Capable – Pin-On
- Thumb Ready
- Certified Lifting Eye
ELECTRICAL
- 12 Volt Battery
- Software (machine and monitor)
- Maintenance Free Battery
- Lock Out/Tag Out Battery Disconnect
- 12 Volt Power Socket
- Travel Alarm (optional in some regions)
Optional Equipment
UNDERCARRIAGE
- Steel Track (400 mm/15.7 in)
- Steel Track with Rubber Pads
- Angle Blade
BOOM, STICK AND LINKAGES
- Long Stick (1601 mm/63.0 in)
- Front Shovel Capable – Dual Lock Manual Coupler
- Front Shovel Capable – Hydraulic Coupler
- Attachments including Couplers, Thumbs, Buckets, Augers and Hammers
- 2nd Auxiliary Hydraulic Lines
- Bucket Divert Lines
- Boom Lowering Check Valve
- Stick Lowering Check Valve
- Hydraulic Quick Coupler Lines
ELECTRICAL
- Product Link™ PL243 (regulations apply)
- Product Link PLE643 (regulations apply)
OTHER
- Bio Oil Capable
- Water Jacket Heater
- Counterweight (242 kg/534 lb)
OPERATOR ENVIRONMENT
- Cab with Air Conditioning
- Cab with Heater
- No Travel Pedals and Hand Levers (optional in some regions)
- Machine Security – Push to Start with Key Fob/Pass Code
- Mirrors, Left, Right and Rear
- Camera
- Radio – Bluetooth®, Auxiliary, Microphone, USB (charging only) (Cab only)
- Next Generation Advanced Monitor– Touch Screen– Site Reference System– High Definition Camera Capable (IP68 and IP69K)– Numeric Security Code
- Seat Belt Reminder System
- Cat Grade with Advanced 2D
- Cat Grade with 3D
GUARDING
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO 10262:1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II)
