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305 CR Mini Hydraulic Excavator

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Product Specs

Engine

Net Power
45 hp
Engine Model
C1.7 Turbo
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
45 hp
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
Gross Power - 2,400 rpm - SAE J1995:2014
48.4 hp
Stroke
3.9 in
Bore
3.3 in
Displacement
101 in³

Weights

Operating Weight
12688 lb
Minimum Operating Weight with Canopy*
11016 lb
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*
11234 lb
Maximum Operating Weight with Cab**
12688 lb
Maximum Operating Weight with Canopy**
12469 lb
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
144.5 in
Maximum Dig Height
210.8 in
Stick Length
63 in
Track Width
78 in
Maximum Blade Depth
23.4 in
Maximum Dump Clearance
151.4 in
Boom Swing - Left
615 mm
Boom Swing - Right
34.1 °
Swing Bearing - Height
24.4 in
Boom Height - Shipping Position
74.6 in
Boom In Reach
101.6 in
Maximum Reach
235.8 in
Track Belt/Shoe Width
15.7 in
Maximum Reach - Ground Level
229.7 in
Maximum Blade Height
15.2 in
O/A Shipping Height
100.4 in
Tail Swing without Counterweight
43.1 in
O/A Undercarriage Length
101.6 in
Tail Swing with Counterweight
47.2 in
Vertical Wall
100.8 in
Note
*Overall Shipping Length depends on blade position during shipment.
Overall Shipping Length*
210.2 in
Ground Clearance
13.2 in

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Digging Force - Stick - Long
5665 lbf
Auxiliary Circuit - Secondary - Pressure
3843 psi
Pump Flow at 2,400 rpm
35 gal/min
Operating Pressure - Swing
2901 psi
Operating Pressure - Travel
3843 psi
Auxiliary Circuit - Secondary - Flow
7 gal/min
Digging Force - Stick - Standard
6362 lbf
Auxiliary Circuit - Primary - Pressure
3843 psi
Auxiliary Circuit - Primary - Flow
21 gal/min
Digging Force - Bucket
11061 lbf
Operating Pressure - Equipment
3843 psi
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Service Refill Capacities

Cooling System
2.9 gal (US)
Hydraulic Tank
16 gal (US)
Fuel Tank
17 gal (US)
Engine Oil
1.6 gal (US)
Hydraulic System
20 gal (US)

Dimensions - Standard Stick

Tail Swing with Counterweight
47.2 in
Maximum Dump Clearance
145.7 in
O/A Shipping Height
100.4 in
Note
*Overall Shipping Length depends on blade position during shipment.
Maximum Dig Height
205.3 in
Maximum Blade Height
15.2 in
Dig Depth
134.6 in
Boom Swing - Right
34.1 °
Maximum Reach - Ground Level
220.1 in
Tail Swing without Counterweight
43.1 in
Boom Height - Shipping Position
71.7 in
Maximum Blade Depth
23.4 in
Maximum Reach
226.6 in
Boom Swing - Left
24.2 °
Overall Shipping Length*
208.9 in
O/A Undercarriage Length
101.6 in
Swing Bearing - Height
24.4 in
Stick Length
53.2 in
Track Belt/Shoe Width
15.7 in
Boom In Reach
101.2 in
Vertical Wall
91.9 in
Ground Clearance
13.2 in

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

Travel System

Gradeability - Maximum
30 degrees
Ground Pressure - Minimum Weight
4 psi
Maximum Traction Force - Low Speed
11353 lbf
Ground Pressure - Maximum Weight
4.7 psi
Travel Speed - Low
1.7 mile/h
Maximum Traction Force - High Speed
5553 lbf
Travel Speed - High
3.1 mile/h

Blade

Angle Blade - Left
25 degrees
Angle Blade - Right
25 degrees
Angle Blade Width
78 in
Straight Blade Height
15.4 in
Straight Blade Width
78 in
Angle Blade Height
15.7 in

Sustainability

Recyclability
96%

Swing System

Boom Swing - Left
72 Degrees
Machine Swing Speed
9 r/min
Boom Swing - Right
50 Degrees

Sound

Average Exterior Sound Pressure (ISO 6395:2008)
97 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 a
Operator Sound Pressure (ISO 6396:2008)
76 dB(A)

Weight Increase from Minimum Configuration

Counterweight
534 lb
Long Stick
75 lb
Steel Tracks with Pads
827 lb
Angle Blade
225 lb

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)

Attachments

  • 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)

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