The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.
Engine
- Net Power
- 45HP
- Engine Model
- C1.7 Turbo
- 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
- Displacement
- 101in³
- Emissions
- The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
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
- 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
- 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
- Ground Clearance
- 13.2in
Swing System
- Boom Swing - Left
- 72 Degrees
- Machine Swing Speed
- 9r/min
- Boom Swing - Right
- 50 Degrees
Dimensions - Standard Stick
- 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
- 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.
- Ground Clearance
- 13.2in
Service Refill Capacities
- Hydraulic Tank
- 16gal (US)
- Fuel Tank
- 17gal (US)
- Engine Oil
- 1.6gal (US)
- Hydraulic System
- 20gal (US)
- Cooling System
- 2.9gal (US)
Travel System
- 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
- Travel Speed - High
- 3.1mile/h
- Gradeability - Maximum
- 30 degrees
Blade
- Angle Blade Width
- 78in
- Straight Blade Height
- 15.4in
- Straight Blade Width
- 78in
- Angle Blade Height
- 15.7in
- Angle Blade - Left
- 25 degrees
- Angle Blade - Right
- 25 degrees
Sound
- Average Exterior Sound Pressure (ISO 6395:2008)
- 99dB(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 a
- Operator Sound Pressure (ISO 6396:2008)
- 72dB(A)
Hydraulic System
- Auxiliary Circuit - Secondary - Pressure
- 3843psi
- Pump Flow at 2,400 rpm
- 35gal/min
- Operating Pressure - Swing
- 2901psi
- Operating Pressure - Travel
- 3843psi
- Auxiliary Circuit - Secondary - Flow
- 7gal/min
- Digging Force - Stick - Standard
- 6362lbf
- Auxiliary Circuit - Primary - Pressure
- 3843psi
- Auxiliary Circuit - Primary - Flow
- 21gal/min
- 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
Certification - Cab and Canopy
- Top Guard
- ISO 10262:1998 Level I
- Roll Over Protective Structure (ROPS)
- ISO 12117-2:2008
- Tip Over Protective Structure (TOPS)
- ISO 12117:1997
Weight Increase from Minimum Configuration
- Counterweight
- 534lb
- Long Stick
- 75lb
- Steel Tracks with Pads
- 827lb
- Angle Blade
- 225lb
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
- 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:
- 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
Specifications
Engine
- Net Power
- 45HP
- Engine Model
- C1.7 Turbo
- 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
- Displacement
- 101in³
- Emissions
- The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
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
- 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
- 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
- Ground Clearance
- 13.2in
Swing System
- Boom Swing - Left
- 72 Degrees
- Machine Swing Speed
- 9r/min
- Boom Swing - Right
- 50 Degrees
Dimensions - Standard Stick
- 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
- 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.
- Ground Clearance
- 13.2in
Service Refill Capacities
- Hydraulic Tank
- 16gal (US)
- Fuel Tank
- 17gal (US)
- Engine Oil
- 1.6gal (US)
- Hydraulic System
- 20gal (US)
- Cooling System
- 2.9gal (US)
Travel System
- 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
- Travel Speed - High
- 3.1mile/h
- Gradeability - Maximum
- 30 degrees
Blade
- Angle Blade Width
- 78in
- Straight Blade Height
- 15.4in
- Straight Blade Width
- 78in
- Angle Blade Height
- 15.7in
- Angle Blade - Left
- 25 degrees
- Angle Blade - Right
- 25 degrees
Sound
- Average Exterior Sound Pressure (ISO 6395:2008)
- 99dB(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 a
- Operator Sound Pressure (ISO 6396:2008)
- 72dB(A)
Hydraulic System
- Auxiliary Circuit - Secondary - Pressure
- 3843psi
- Pump Flow at 2,400 rpm
- 35gal/min
- Operating Pressure - Swing
- 2901psi
- Operating Pressure - Travel
- 3843psi
- Auxiliary Circuit - Secondary - Flow
- 7gal/min
- Digging Force - Stick - Standard
- 6362lbf
- Auxiliary Circuit - Primary - Pressure
- 3843psi
- Auxiliary Circuit - Primary - Flow
- 21gal/min
- 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
Certification - Cab and Canopy
- Top Guard
- ISO 10262:1998 Level I
- Roll Over Protective Structure (ROPS)
- ISO 12117-2:2008
- Tip Over Protective Structure (TOPS)
- ISO 12117:1997
Weight Increase from Minimum Configuration
- Counterweight
- 534lb
- Long Stick
- 75lb
- Steel Tracks with Pads
- 827lb
- Angle Blade
- 225lb
Sustainability
- Recyclability
- 96%
Standard/Optional Features
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
- 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:
- 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