305 CR Mini Hydraulic Excavator

360° View

Video

Product description

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® C3.3B 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