305 CR Mini Hydraulic Excavator
Mini Excavators
Details
Net Power
45 HP
Operating Weight
12688 lb
Dig Depth
144.5 in
Overview
Mini Excavators Inspired by Our Customers
The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Benefits
Industry First Features
Cat Exclusives in a Mini Excavator
Lower Total Ownership Costs
with extended service intervals, lower repair costs and easy service access
More Performance
in lifting, digging and multi-function capability
Features at a Glance
- ALL DAY COMFORT
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- 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
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- 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
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- 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
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- 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. Dozer 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
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- 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
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- 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
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- 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
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- 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.
Specifications
Full Specifications
- Engine
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Net Power
45 HPEngine Model
C1.7 TurboNet Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45 HPNote
Advertised power is tested per the specified standard in effect at the time of manufacture.Gross Power - 2,400 rpm - SAE J1995:2014
48.4 HPStroke
3.9 inBore
3.3 inDisplacement
101 in³Emissions
The Cat® C3.3B engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
- Weights
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Operating Weight
12688 lbMinimum Operating Weight with Canopy*
11016 lbNote (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*
11234 lbMaximum Operating Weight with Cab**
12688 lbMaximum Operating Weight with Canopy**
12469 lbNote (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
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Dig Depth
144.5 inStick Length
63 inTrack Width
78 inMaximum Blade Depth
23.4 inMaximum Dump Clearance
151.4 inBoom Swing - Left
615 mmBoom Swing - Right
34.1 °Swing Bearing - Height
24.4 inBoom Height - Shipping Position
74.6 inBoom In Reach
101.6 inMaximum Reach
235.8 inTrack Belt/Shoe Width
15.7 inMaximum Reach - Ground Level
229.7 inMaximum Blade Height
15.2 inO/A Shipping Height
100.4 inTail Swing without Counterweight
43.1 inO/A Undercarriage Length
101.6 inTail Swing with Counterweight
47.2 inVertical Wall
100.8 inNote
*Overall Shipping Length depends on blade position during shipment.Overall Shipping Length*
210.2 inMaximum Dig Height
210.8 inGround Clearance
13.2 in
- Swing System
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Boom Swing - Left
72 DegreesMachine Swing Speed
9 r/minBoom Swing - Right
50 Degrees
- Dimensions - Standard Stick
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Maximum Dig Height
205.3 inMaximum Blade Height
15.2 inDig Depth
134.6 inBoom Swing - Right
34.1 °Maximum Reach - Ground Level
220.1 inTail Swing without Counterweight
43.1 inBoom Height - Shipping Position
71.7 inMaximum Blade Depth
23.4 inMaximum Reach
226.6 inBoom Swing - Left
24.2 °Overall Shipping Length*
208.9 inO/A Undercarriage Length
101.6 inSwing Bearing - Height
24.4 inStick Length
53.2 inTrack Belt/Shoe Width
15.7 inBoom In Reach
101.2 inVertical Wall
91.9 inTail Swing with Counterweight
47.2 inMaximum Dump Clearance
145.7 inO/A Shipping Height
100.4 inNote
*Overall Shipping Length depends on blade position during shipment.Ground Clearance
13.2 in
- Service Refill Capacities
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Hydraulic Tank
16 gal (US)Fuel Tank
17 gal (US)Engine Oil
1.6 gal (US)Hydraulic System
20 gal (US)Cooling System
2.9 gal (US)
- Travel System
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Ground Pressure - Minimum Weight
4 psiMaximum Traction Force - Low Speed
11353 lbfGround Pressure - Maximum Weight
4.7 psiTravel Speed - Low
1.7 mile/hMaximum Traction Force - High Speed
5553 lbfTravel Speed - High
3.1 mile/hGradeability - Maximum
30 degrees
- Blade
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Angle Blade Width
78 inStraight Blade Height
15.4 inStraight Blade Width
78 inAngle Blade Height
15.7 inAngle Blade - Left
25 degreesAngle Blade - Right
25 degrees
- Sound
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Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(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.Operator Sound Pressure (ISO 6396:2008)
72 dB(A)
- Hydraulic System
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Auxiliary Circuit - Secondary - Pressure
3843 psiPump Flow at 2,400 rpm
35 gal/minOperating Pressure - Swing
2901 psiOperating Pressure - Travel
3843 psiAuxiliary Circuit - Secondary - Flow
7 gal/minDigging Force - Stick - Standard
6362 lbfAuxiliary Circuit - Primary - Pressure
3843 psiAuxiliary Circuit - Primary - Flow
21 gal/minDigging Force - Bucket
11061 lbfOperating Pressure - Equipment
3843 psiNote
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.Type
Load Sensing Hydraulics with Variable Displacement Piston PumpDigging Force - Stick - Long
5665 lbf
- Certification - Cab and Canopy
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Top Guard
ISO 10262:1998 Level IRoll Over Protective Structure (ROPS)
ISO 12117-2:2008Tip Over Protective Structure (TOPS)
ISO 12117:1997
- Weight Increase from Minimum Configuration
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Counterweight
534 lbLong Stick
75 lbSteel Tracks with Pads
827 lbAngle Blade
225 lb
- Sustainability
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Recyclability
96%
Equipment
- Standard Equipment
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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
OPERATOR ENVIRONMENT
- 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
- Battery Disconnect
- 12 Volt Power Socket
- Travel Alarm (optional in some regions)
- Optional Equipment
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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)
GUARDING
- Top Guard ISO 10262:1998 (Level II) (Cab)
- Front Guard (Mesh) ISO 10262:1998 (Level I) (Cab)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II) (Cab)
- Front Guard (Mesh) ISO 10262:1998 (Level I) (Canopy)
- Front Guard (Heavy Duty) ISO 10262:1998 (Level II) (Canopy)
OTHER
- Bio Oil Capable
- Eco Drain
- 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
- LED Front Lights
- LED Front and Rear Lights
- LED Boom Light
- 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