305 CR Mini Excavator
Introducing the Next Generation Cat 304 and 305 CR Mini Excavators
Overview of the Next Generation Cat 304 and 305 CR Mini Excavators
Standard Monitor on the Next Generation Cat Mini Excavators
Comparing the Next Generation Cat 304 and 305 CR Mini Excavators to the E2 Series
Advanced Monitor on the Next Generation Cat Mini Excavators
Cat 305 CR Mini Excavator Customer Story - Precision Contractors (Utah, United States)
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SPECS SUMMARY
| Net Power | 45 hp (33.6 kW) |
| Operating Weight | 12688 lb (5754 kg) |
| Dig Depth | 144.5 in (3670 mm) |
| Engine Model | C1.7 Turbo |
Specifications
| Net Power | 45 hp (33.6 kW) |
| Operating Weight | 12688 lb (5754 kg) |
| Dig Depth | 144.5 in (3670 mm) |
| Engine Model | C1.7 Turbo |
| Minimum Operating Weight with Canopy* | 11016 lb (4996 kg) |
| Counterweight | 534 lb (242 kg) |
| Travel Speed - High | 3.1 mile/h (5 km/h) |
| Cooling System | 2.9 gal (US) (11 l) |
| Pump Flow at 2,400 rpm | 35 gpm (133 L/min) |
| Machine Swing Speed | 9 r/min (9 r/min) |
| Straight Blade Width | 78 in (1980 mm) |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 |
| Dig Depth | 134.6 in (3420 mm) |
| Air Conditioning | The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1.0 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). |
| Operator Sound Pressure (ISO 6396:2008) | 76 dB(A) (76 dB(A)) |
| Recyclability | 96% |
| Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC | 45 hp (33.6 kW) |
| Maximum Operating Weight with Canopy** | 12469 lb (5655 kg) |
| Long Stick | 75 lb (34 kg) |
| Travel Speed - Low | 1.7 mile/h (2.8 km/h) |
| Engine Oil | 1.6 gal (US) (6 l) |
| Operating Pressure - Equipment | 3843 psi (265 bar) |
| Boom Swing - Left | 72 Degrees |
| Straight Blade Height | 15.4 in (390 mm) |
| Top Guard | ISO 10262:1998 Level I |
| Vertical Wall | 91.9 in (2335 mm) |
| Vertical Wall | 100.8 in (2560 mm) |
| Average Exterior Sound Pressure (ISO 6395:2008) | 97 dB(A) (97 dB(A)) |
| Gross Power - 2,400 rpm - SAE J1995:2014 | 48.4 hp (36.1 kW) |
| Minimum Operating Weight with Cab* | 11234 lb (5095 kg) |
| Steel Tracks with Pads | 827 lb (375 kg) |
| Maximum Traction Force - High Speed | 5553 lbf (24.7 kN) |
| Fuel Tank | 17 gal (US) (63 l) |
| Operating Pressure - Travel | 3843 psi (265 bar) |
| Boom Swing - Right | 50 Degrees |
| Angle Blade Width | 78 in (1980 mm) |
| Maximum Reach - Ground Level | 220.1 in (5590 mm) |
| Maximum Reach - Ground Level | 229.7 in (5835 mm) |
| 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. |
| Bore | 3.3 in (84 mm) |
| Maximum Operating Weight with Cab** | 12688 lb (5754 kg) |
| Angle Blade | 225 lb (102 kg) |
| Maximum Traction Force - Low Speed | 11353 lbf (50.5 kN) |
| Hydraulic Tank | 16 gal (US) (60 l) |
| Operating Pressure - Swing | 2901 psi (200 bar) |
| Angle Blade Height | 15.7 in (400 mm) |
| Maximum Reach | 226.6 in (5755 mm) |
| Maximum Reach | 235.8 in (5990 mm) |
| Stroke | 3.9 in (100 mm) |
| Note (1) | *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight. |
| Ground Pressure - Minimum Weight | 4 psi (27.3 kPa) |
| Hydraulic System | 20 gal (US) (75 l) |
| Auxiliary Circuit - Primary - Flow | 21 gpm (80 L/min) |
| Angle Blade - Left | 25 degrees |
| Maximum Dig Height | 205.3 in (5215 mm) |
| Maximum Dig Height | 210.8 in (5355 mm) |
| Displacement | 101 in³ (1.662 l) |
| Note (2) | **Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket. |
| Ground Pressure - Maximum Weight | 4.7 psi (32.2 kPa) |
| Auxiliary Circuit - Primary - Pressure | 3843 psi (265 bar) |
| Angle Blade - Right | 25 degrees |
| Maximum Dump Clearance | 145.7 in (3700 mm) |
| Maximum Dump Clearance | 151.4 in (3845 mm) |
| Emissions | The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards. |
| Gradeability - Maximum | 30 degrees |
| Auxiliary Circuit - Secondary - Flow | 7 gpm (28 L/min) |
| Boom In Reach | 101.2 in (2570 mm) |
| Boom In Reach | 101.6 in (2580 mm) |
| Note | Advertised power is tested per the specified standard in effect at the time of manufacture. |
| Auxiliary Circuit - Secondary - Pressure | 3843 psi (265 bar) |
| Tail Swing without Counterweight | 43.1 in (1095 mm) |
| Tail Swing without Counterweight | 43.1 in (1095 mm) |
| 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. |
| Digging Force - Stick - Standard | 6362 lbf (28.3 kN) |
| Tail Swing with Counterweight | 47.2 in (1200 mm) |
| Tail Swing with Counterweight | 47.2 in (1200 mm) |
| Digging Force - Stick - Long | 5665 lbf (25.2 kN) |
| Maximum Blade Height | 15.2 in (385 mm) |
| Maximum Blade Height | 15.2 in (385 mm) |
| Digging Force - Bucket | 11061 lbf (49.2 kN) |
| Maximum Blade Depth | 23.4 in (595 mm) |
| Maximum Blade Depth | 23.4 in (595 mm) |
| Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
| Boom Height - Shipping Position | 71.7 in (1820 mm) |
| Boom Height - Shipping Position | 74.6 in (1895 mm) |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump |
| O/A Shipping Height | 100.4 in (2550 mm) |
| O/A Shipping Height | 100.4 in (2550 mm) |
| Swing Bearing - Height | 24.4 in (619 mm) |
| Swing Bearing - Height | 24.4 in (619 mm) |
| O/A Undercarriage Length | 101.6 in (2580 mm) |
| O/A Undercarriage Length | 101.6 in (2580 mm) |
| Overall Shipping Length* | 208.9 in (5305 mm) |
| Overall Shipping Length* | 210.2 in (5340 mm) |
| Boom Swing - Right | 34.1 ° (865 mm) |
| Boom Swing - Right | 34.1 ° (865 mm) |
| Boom Swing - Left | 24.2 ° (615 mm) |
| Boom Swing - Left | 615 mm (24.2 °) |
| Track Belt/Shoe Width | 15.7 in (400 mm) |
| Track Belt/Shoe Width | 15.7 in (400 mm) |
| Track Width | 78 in (1980 mm) |
| Track Width | 78 in (1980 mm) |
| Ground Clearance | 13.2 in (335 mm) |
| Ground Clearance | 13.2 in (335 mm) |
| Stick Length | 53.2 in (1351 mm) |
| Stick Length | 63 in (1601 mm) |
| Note | *Overall Shipping Length depends on blade position during shipment. |
| Note | *Overall Shipping Length depends on blade position during shipment. |
Benefits and Features
- 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.
- 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.
- 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!
- 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.
- 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.
- Maintenance is quick and easy on the Cat mini excavator. Routine check points are easy to access at ground level through the side doors.
- 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.
- 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.
Standard Equipment
- 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
- Smart Tech Electronic Pump
- Accumulator
- Automatic Swing Brake
- Auxiliary Hydraulic Lines
- One and Two Way Auxiliary Flow
- Continuous Auxiliary Flow
- Auxiliary Line Quick Disconnects
- ROPS ISO 12117-2:2008
- Top Guard ISO 10262:1998 (Level I)
- Eco Drain
- 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)
- Rubber Belt (400 mm/15.7 in)
- Dozer Straight Blade
- Dozer Blade Float
- Tie Downs on Track Frame
- 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
- 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
- Steel Track (400 mm/15.7 in)
- Steel Track with Rubber Pads
- Angle Blade
- 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
- Product Link™ PL243 (regulations apply)
- Product Link PLE643 (regulations apply)
- Bio Oil Capable
- Water Jacket Heater
- Counterweight (242 kg/534 lb)
- 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
- Top Guard ISO 10262:1998 (Level II)
- Front Guard (Mesh) ISO 10262:1998 (Level I)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II)