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Piscataway Campus 732-885-5555
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Piscataway Campus 732-885-5555
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305 CR Mini Hydraulic Excavator
Exterior View
Interior View

305 CR Mini Hydraulic Excavator

Net Power45 hp
Engine ModelC1.7 Turbo
Net Power – 2,400 rpm – ISO 9249, 80/1269/EEC45 hp
Gross Power – 2,400 rpm – SAE J1995:201448.4 hp
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Learn more about our 305 CR Mini Hydraulic Excavator

The Cat® 305 CR Mini Excavator delivers power and performance in a compact size to help you work in a wide range of applications.

Net Power
45hp
Engine Model
C1.7 Turbo
Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45hp
Gross Power - 2,400 rpm - SAE J1995:2014
48.4hp
Bore
3.3in
Stroke
3.9in
Displacement
101in³
Emissions
® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards." data-metric=""> The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.
Note
Advertised power is tested per the specified standard in effect at the time of manufacture.
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.
Operating Weight
12688lb
Minimum Operating Weight with Canopy*
11016lb
Maximum Operating Weight with Canopy**
12469lb
Minimum Operating Weight with Cab*
11234lb
Maximum Operating Weight with Cab**
12688lb
Note (1)
*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, straight blade, no bucket and no extra counterweight.
Note (2)
**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Dig Depth
144.5in
Vertical Wall
100.8in
Maximum Reach - Ground Level
229.7in
Maximum Reach
235.8in
Maximum Dig Height
210.8in
Maximum Dump Clearance
151.4in
Boom In Reach
101.6in
Tail Swing without Counterweight
43.1in
Tail Swing with Counterweight
47.2in
Maximum Blade Height
15.2in
Maximum Blade Depth
23.4in
Boom Height - Shipping Position
74.6in
O/A Shipping Height
100.4in
Swing Bearing - Height
24.4in
O/A Undercarriage Length
101.6in
Overall Shipping Length*
210.2in
Boom Swing - Right
34.1°
Boom Swing - Left
615mm
Track Belt/Shoe Width
15.7in
Track Width
78in
Ground Clearance
13.2in
Stick Length
63in
Note
*Overall Shipping Length depends on blade position during shipment.
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
Dig Depth
134.6in
Vertical Wall
91.9in
Maximum Reach - Ground Level
220.1in
Maximum Reach
226.6in
Maximum Dig Height
205.3in
Maximum Dump Clearance
145.7in
Boom In Reach
101.2in
Tail Swing without Counterweight
43.1in
Tail Swing with Counterweight
47.2in
Maximum Blade Height
15.2in
Maximum Blade Depth
23.4in
Boom Height - Shipping Position
71.7in
O/A Shipping Height
100.4in
Swing Bearing - Height
24.4in
O/A Undercarriage Length
101.6in
Overall Shipping Length*
208.9in
Boom Swing - Right
34.1°
Boom Swing - Left
24.2°
Track Belt/Shoe Width
15.7in
Track Width
78in
Ground Clearance
13.2in
Stick Length
53.2in
Note
*Overall Shipping Length depends on blade position during shipment.
Machine Swing Speed
9r/min
Boom Swing - Left
72 Degrees
Boom Swing - Right
50 Degrees
Counterweight
534lb
Long Stick
75lb
Steel Tracks with Pads
827lb
Angle Blade
225lb
Pump Flow at 2,400 rpm
35gpm
Operating Pressure - Equipment
3843psi
Operating Pressure - Travel
3843psi
Operating Pressure - Swing
2901psi
Auxiliary Circuit - Primary - Flow
21gpm
Auxiliary Circuit - Primary - Pressure
3843psi
Auxiliary Circuit - Secondary - Flow
7gpm
Auxiliary Circuit - Secondary - Pressure
3843psi
Digging Force - Stick - Standard
6362lbf
Digging Force - Stick - Long
5665lbf
Digging Force - Bucket
11061lbf
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Straight Blade Width
78in
Straight Blade Height
15.4in
Angle Blade Width
78in
Angle Blade Height
15.7in
Angle Blade - Left
25 degrees
Angle Blade - Right
25 degrees
Travel Speed - High
3.1mile/h
Travel Speed - Low
1.7mile/h
Maximum Traction Force - High Speed
5553lbf
Maximum Traction Force - Low Speed
11353lbf
Ground Pressure - Minimum Weight
4psi
Ground Pressure - Maximum Weight
4.7psi
Gradeability - Maximum
30 degrees
Operator Sound Pressure (ISO 6396:2008)
76dB(A)
Average Exterior Sound Pressure (ISO 6395:2008)
97dB(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
Cooling System
2.9gal (US)
Engine Oil
1.6gal (US)
Fuel Tank
17gal (US)
Hydraulic Tank
16gal (US)
Hydraulic System
20gal (US)
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Top Guard
ISO 10262:1998 Level I
Recyclability
96%
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)
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)

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