305 CR - Tier 4 / Stage V

305 CR Mini Hydraulic Excavator

The 305 CR Mini Excavator delivers power and performance in a 5 ton size class to help you work in a wide range of applications.

305 CR Mini Hydraulic Excavator

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.

ALL DAY COMFORT

  • 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.

305 CR Mini Excavator
305 CR Mini Excavator

EASY TO OPERATE

  • 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

  • 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!

305 CR Mini Excavator
305 CR Mini Excavator

BIG PERFORMANCE IN A COMPACT DESIGN

        
  • 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. Dig-to-blade and dozer blade 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

  • 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.

305 CR Mini Excavator
305 CR Mini Excavator

SIMPLE SERVICE FOR LESS DOWNTIME

  • 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

  • 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.

305 CR Mini Excavator
305 CR Mini Excavator

UNMATCHED DEALER SUPPORT

  • 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.

  • Standard Equipment
  • Optional Equipment
  • Specs
  • Docs

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)

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)
  • 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)

Specs

Overview

Long Name:
305 CR Mini Hydraulic Excavator
Name:
305 CR - Tier 4 / Stage V
Brand:
Caterpillar
Status:
Current

Engine

Net Power
45 hp / 33.6 kW

Weights

Operating Weight
12688 lb / 5754 kg

Dimensions - Long Stick

Dig Depth
144.5 in / 3670 mm

Engine

Engine Model
C1.7 Turbo

Dimensions - Long Stick

Stick Length
63 in / 1601 mm

Engine

Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC
45 hp / 33.6 kW

Swing System

Boom Swing - Left
72 Degrees

Dimensions - Standard Stick

Maximum Dig Height
205.3 in / 5215 mm
Maximum Blade Height
15.2 in / 385 mm

Service Refill Capacities

Hydraulic Tank
16 gal (US) / 60 l

Dimensions - Long Stick

Track Width
78 in / 1980 mm

Service Refill Capacities

Fuel Tank
17 gal (US) / 63 l

Travel System

Ground Pressure - Minimum Weight
4 psi / 27.3 kPa

Blade

Angle Blade Width
78 in / 1980 mm

Dimensions - Long Stick

Maximum Blade Depth
23.4 in / 595 mm
Maximum Dump Clearance
151.4 in / 3845 mm
Boom Swing - Left
615 mm / 24.2 °

Dimensions - Standard Stick

Dig Depth
134.6 in / 3420 mm

Dimensions - Long Stick

Boom Swing - Right
34.1 ° / 865 mm

Dimensions - Standard Stick

Boom Swing - Right
34.1 ° / 865 mm

Travel System

Maximum Traction Force - Low Speed
11353 lbf / 50.5 kN

Dimensions - Standard Stick

Maximum Reach - Ground Level
220.1 in / 5590 mm
Tail Swing without Counterweight
43.1 in / 1095 mm

Blade

Straight Blade Height
15.4 in / 390 mm

Sound

Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A) / 97 dB(A)

Travel System

Ground Pressure - Maximum Weight
4.7 psi / 32.2 kPa

Swing System

Machine Swing Speed
9 r/min / 9 r/min

Dimensions - Long Stick

Swing Bearing - Height
24.4 in / 619 mm

Dimensions - Standard Stick

Boom Height - Shipping Position
71.7 in / 1820 mm

Engine

Note
Advertised power is tested per the specified standard in effect at the time of manufacture.

Dimensions - Long Stick

Boom Height - Shipping Position
74.6 in / 1895 mm

Dimensions - Standard Stick

Maximum Blade Depth
23.4 in / 595 mm

Engine

Gross Power - 2,400 rpm - SAE J1995:2014
48.4 hp / 36.1 kW

Dimensions - Standard Stick

Maximum Reach
226.6 in / 5755 mm

Hydraulic System

Auxiliary Circuit - Secondary - Pressure
3843 psi / 265 bar

Certification - Cab and Canopy

Top Guard
ISO 10262:1998 Level I

Dimensions - Standard Stick

Boom Swing - Left
24.2 ° / 615 mm

Weight Increase from Minimum Configuration

Counterweight
534 lb / 242 kg

Engine

Stroke
3.9 in / 100 mm
Bore
3.3 in / 84 mm

Hydraulic System

Pump Flow at 2,400 rpm
35 gal/min / 133 l/min

Blade

Straight Blade Width
78 in / 1980 mm

Dimensions - Long Stick

Boom In Reach
101.6 in / 2580 mm
Maximum Reach
235.8 in / 5990 mm

Dimensions - Standard Stick

Overall Shipping Length*
208.9 in / 5305 mm
O/A Undercarriage Length
101.6 in / 2580 mm

Sound

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.

Travel System

Travel Speed - Low
1.7 mile/h / 2.8 km/h

Dimensions - Long Stick

Track Belt/Shoe Width
15.7 in / 400 mm

Hydraulic System

Operating Pressure - Swing
2901 psi / 200 bar
Operating Pressure - Travel
3843 psi / 265 bar

Dimensions - Long Stick

Maximum Reach - Ground Level
229.7 in / 5835 mm
Maximum Blade Height
15.2 in / 385 mm
O/A Shipping Height
100.4 in / 2550 mm

Service Refill Capacities

Engine Oil
1.6 gal (US) / 6 l

Travel System

Maximum Traction Force - High Speed
5553 lbf / 24.7 kN

Dimensions - Long Stick

Tail Swing without Counterweight
43.1 in / 1095 mm

Dimensions - Standard Stick

Swing Bearing - Height
24.4 in / 619 mm

Travel System

Travel Speed - High
3.1 mile/h / 5 km/h

Dimensions - Long Stick

O/A Undercarriage Length
101.6 in / 2580 mm

Dimensions - Standard Stick

Stick Length
53.2 in / 1351 mm

Dimensions - Long Stick

Tail Swing with Counterweight
47.2 in / 1200 mm

Hydraulic System

Auxiliary Circuit - Secondary - Flow
7 gal/min / 28 l/min

Weights

Minimum Operating Weight with Canopy*
11016 lb / 4996 kg

Weight Increase from Minimum Configuration

Long Stick
75 lb / 34 kg

Weights

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 / 5095 kg

Hydraulic System

Digging Force - Stick - Standard
6362 lbf / 28.3 kN
Auxiliary Circuit - Primary - Pressure
3843 psi / 265 bar

Dimensions - Long Stick

Vertical Wall
100.8 in / 2560 mm

Hydraulic System

Auxiliary Circuit - Primary - Flow
21 gal/min / 80 l/min
Digging Force - Bucket
11061 lbf / 49.2 kN

Dimensions - Standard Stick

Track Belt/Shoe Width
15.7 in / 400 mm

Sound

Operator Sound Pressure (ISO 6396:2008)
76 dB(A) / 76 dB(A)

Hydraulic System

Operating Pressure - Equipment
3843 psi / 265 bar
Note
Flow and pressure are not combinable. Under load, as flow rises pressure goes down.

Weights

Maximum Operating Weight with Cab**
12688 lb / 5754 kg

Dimensions - Long Stick

Note
*Overall Shipping Length depends on blade position during shipment.

Weights

Maximum Operating Weight with Canopy**
12469 lb / 5655 kg

Swing System

Boom Swing - Right
50 Degrees

Dimensions - Long Stick

Overall Shipping Length*
210.2 in / 5340 mm

Weights

Note (2)
**Maximum Weight is based on steel tracks with pads, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.

Service Refill Capacities

Hydraulic System
20 gal (US) / 75 l

Dimensions - Standard Stick

Boom In Reach
101.2 in / 2570 mm
Vertical Wall
91.9 in / 2335 mm

Weight Increase from Minimum Configuration

Steel Tracks with Pads
827 lb / 375 kg

Engine

Displacement
101 in³ / 1.662 l

Blade

Angle Blade Height
15.7 in / 400 mm

Hydraulic System

Type
Load Sensing Hydraulics with Variable Displacement Piston Pump

Service Refill Capacities

Cooling System
2.9 gal (US) / 11 l

Hydraulic System

Digging Force - Stick - Long
5665 lbf / 25.2 kN

Engine

Emissions
The Cat® C1.7 engine meets U.S. EPA Tier 4 Final and EU Stage V emission standards.

Dimensions - Standard Stick

Tail Swing with Counterweight
47.2 in / 1200 mm

Dimensions - Long Stick

Maximum Dig Height
210.8 in / 5355 mm

Dimensions - Standard Stick

Maximum Dump Clearance
145.7 in / 3700 mm
O/A Shipping Height
100.4 in / 2550 mm

Engine

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.

Dimensions - Standard Stick

Note
*Overall Shipping Length depends on blade position during shipment.

Certification - Cab and Canopy

Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997

Travel System

Gradeability - Maximum
30 degrees

Blade

Angle Blade - Left
25 degrees
Angle Blade - Right
25 degrees

Sustainability

Recyclability
96%

Dimensions - Standard Stick

Ground Clearance
13.2 in / 335 mm

Weight Increase from Minimum Configuration

Angle Blade
225 lb / 102 kg

Dimensions - Long Stick

Ground Clearance
13.2 in / 335 mm

SEE HOW 305 CR – Tier 4 / Stage V COMPARES AGAINST FREQUENTLY COMPARED PRODUCTS.

Mini Excavators
305 CR – Tier 4 / Stage V
305 CR Mini Hydraulic Excavator
Brand
Caterpillar
Status
Current
Net Power
45 hp / 33.6 kW
Operating Weight
12688 lb / 5754 kg
Dig Depth
134.6 in / 3420 mm
Engine Model
C1.7 Turbo
Stick Length
53.2 in / 1351 mm
Boom Swing - Left
24.2 ° / 615 mm
Maximum Dig Height
210.8 in / 5355 mm
Maximum Blade Height
15.2 in / 385 mm
Hydraulic Tank
16 gal (US) / 60 l
Fuel Tank
17 gal (US) / 63 l
Ground Pressure - Minimum Weight
4 psi / 27.3 kPa
Angle Blade Width
78 in / 1980 mm
Maximum Blade Depth
23.4 in / 595 mm
Maximum Dump Clearance
145.7 in / 3700 mm
Boom Swing - Right
50 Degrees
Maximum Traction Force - Low Speed
11353 lbf / 50.5 kN
Maximum Reach - Ground Level
229.7 in / 5835 mm
Tail Swing without Counterweight
43.1 in / 1095 mm
Straight Blade Height
15.4 in / 390 mm
Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A) / 97 dB(A)
Ground Pressure - Maximum Weight
4.7 psi / 32.2 kPa
Machine Swing Speed
9 r/min / 9 r/min
Swing Bearing - Height
24.4 in / 619 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Maximum Reach
235.8 in / 5990 mm
Auxiliary Circuit - Secondary - Pressure
3843 psi / 265 bar
Top Guard
ISO 10262:1998 Level I
Counterweight
534 lb / 242 kg
Stroke
3.9 in / 100 mm
Bore
3.3 in / 84 mm
Pump Flow at 2,400 rpm
35 gal/min / 133 l/min
Straight Blade Width
78 in / 1980 mm
Boom In Reach
101.2 in / 2570 mm
O/A Undercarriage Length
101.6 in / 2580 mm
Travel Speed - Low
1.7 mile/h / 2.8 km/h
Track Belt/Shoe Width
15.7 in / 400 mm
Operating Pressure - Swing
2901 psi / 200 bar
Operating Pressure - Travel
3843 psi / 265 bar
Engine Oil
1.6 gal (US) / 6 l
Maximum Traction Force - High Speed
5553 lbf / 24.7 kN
Travel Speed - High
3.1 mile/h / 5 km/h
Tail Swing with Counterweight
47.2 in / 1200 mm
Auxiliary Circuit - Secondary - Flow
7 gal/min / 28 l/min
Minimum Operating Weight with Canopy*
11016 lb / 4996 kg
Long Stick
75 lb / 34 kg
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 / 5095 kg
Digging Force - Stick - Standard
6362 lbf / 28.3 kN
Auxiliary Circuit - Primary - Pressure
3843 psi / 265 bar
Vertical Wall
91.9 in / 2335 mm
Auxiliary Circuit - Primary - Flow
21 gal/min / 80 l/min
Digging Force - Bucket
11061 lbf / 49.2 kN
Operator Sound Pressure (ISO 6396:2008)
76 dB(A) / 76 dB(A)
Operating Pressure - Equipment
3843 psi / 265 bar
Maximum Operating Weight with Cab**
12688 lb / 5754 kg
Maximum Operating Weight with Canopy**
12469 lb / 5655 kg
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.
Hydraulic System
20 gal (US) / 75 l
Displacement
101 in³ / 1.662 l
Angle Blade Height
15.7 in / 400 mm
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Cooling System
2.9 gal (US) / 11 l
Digging Force - Stick - Long
5665 lbf / 25.2 kN
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Gradeability - Maximum
30 degrees
Recyclability
96%
Ground Clearance
13.2 in / 335 mm
Angle Blade
225 lb / 102 kg
Mini Excavators
304
304 Mini Hydraulic Excavator
Brand
Caterpillar
Status
Current
Net Power
45 hp / 33.6 kW
Operating Weight
9867 lb / 4475 kg
Dig Depth
138.2 in / 3510 mm
Engine Model
C1.7 Turbo
Stick Length
66.7 in / 1695 mm
Boom Swing - Left
20.9 in / 530 mm
Maximum Dig Height
201.8 in / 5125 mm
Maximum Blade Height
16.5 in / 420 mm
Hydraulic Tank
14 gal (US) / 52 l
Fuel Tank
17 gal (US) / 63 l
Ground Pressure - Minimum Weight
4.2 psi / 28.7 kPa
Angle Blade Width
66.9 in / 1700 mm
Maximum Blade Depth
18.7 in / 475 mm
Maximum Dump Clearance
147.2 in / 3740 mm
Boom Swing - Right
28.7 in / 730 mm
Maximum Traction Force - Low Speed
7329 lbf / 32.6 kN
Maximum Reach - Ground Level
214.4 in / 5445 mm
Tail Swing without Counterweight
47.4 in / 1205 mm
Straight Blade Height
14.2 in / 360 mm
Average Exterior Sound Pressure (ISO 6395:2008)
97 dB(A) / 97 dB(A)
Ground Pressure - Maximum Weight
4.9 psi / 33.8 kPa
Machine Swing Speed
9 r/min / 9 r/min
Swing Bearing - Height
21.9 in / 557 mm
Note
*Overall Shipping Length depends on blade position during shipment.
Maximum Reach
219.3 in / 5570 mm
Auxiliary Circuit - Secondary - Pressure
3553 psi / 245 bar
Top Guard
ISO 10262:1998 (Level I)
Counterweight
496 lb / 225 kg
Stroke
3.9 in / 100 mm
Bore
3.3 in / 84 mm
Pump Flow at 2,400 rpm
25 gal/min / 96 l/min
Straight Blade Width
66.9 in / 1700 mm
Boom In Reach
92.1 in / 2340 mm
O/A Undercarriage Length
87 in / 2210 mm
Travel Speed - Low
2.2 mile/h / 3.5 km/h
Track Belt/Shoe Width
13.8 in / 350 mm
Operating Pressure - Swing
2611 psi / 180 bar
Operating Pressure - Travel
3553 psi / 245 bar
Engine Oil
1.6 gal (US) / 6 l
Maximum Traction Force - High Speed
4271 lbf / 19 kN
Travel Speed - High
3.2 mile/h / 5.2 km/h
Tail Swing with Counterweight
51.2 in / 1300 mm
Auxiliary Circuit - Secondary - Flow
7 gal/min / 28 l/min
Minimum Operating Weight with Canopy*
8655 lb / 3925 kg
Long Stick
66 lb / 30 kg
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*
8875 lb / 4025 kg
Digging Force - Stick - Standard
4721 lbf / 21 kN
Auxiliary Circuit - Primary - Pressure
3553 psi / 245 bar
Vertical Wall
99.8 in / 2535 mm
Auxiliary Circuit - Primary - Flow
21 gal/min / 65 l/min
Digging Force - Bucket
8588 lbf / 38.2 kN
Operator Sound Pressure (ISO 6396:2008)
76 dB(A) / 76 dB(A)
Operating Pressure - Equipment
3553 psi / 245 bar
Maximum Operating Weight with Cab**
9867 lb / 4475 kg
Maximum Operating Weight with Canopy**
9647 lb / 4375 kg
Note (2)
**Maximum Weight is based on steel tracks, operator, full fuel tank, long stick, straight blade, extra counterweight and no bucket.
Hydraulic System
17 gal (US) / 65 l
Displacement
101 in³ / 1.662 l
Angle Blade Height
14.2 in / 360 mm
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Cooling System
2.9 gal (US) / 11 l
Digging Force - Stick - Long
4316 lbf / 19.2 kN
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Gradeability - Maximum
30 degrees
Recyclability
96%
Ground Clearance
12 in / 305 mm
Angle Blade
243 lb / 110 kg
Mini Excavators
306 CR
306 CR Mini Hydraulic Excavator
Brand
Caterpillar
Status
Current
Net Power
55.9 hp / 41.7 kW
Operating Weight
15766 lb / 7150 kg
Dig Depth
162 in / 4110 mm
Engine Model
Cat C2.4 Turbo
Stick Length
78 in / 1980 mm
Boom Swing - Left
29 in / 735 mm
Maximum Dig Height
241 in / 6130 mm
Maximum Blade Height
16 in / 415 mm
Hydraulic Tank
14 gal (US) / 53 l
Fuel Tank
34.3 gal (US) / 130 l
Ground Pressure - Minimum Weight
5.1 psi / 35.4 kPa
Angle Blade Width
78 in / 1980 mm
Maximum Blade Depth
24 in / 600 mm
Maximum Dump Clearance
182 in / 4610 mm
Boom Swing - Right
36 in / 910 mm
Maximum Traction Force - Low Speed
12589 lbf / 56 kN
Maximum Reach - Ground Level
257 in / 6535 mm
Tail Swing without Counterweight
53 in / 1350 mm
Straight Blade Height
15.4 in / 390 mm
Average Exterior Sound Pressure (ISO 6395:2008)
99 dB(A) / 99 dB(A)
Ground Pressure - Maximum Weight
5.7 psi / 39.1 kPa
Machine Swing Speed
11 r/min / 11 r/min
Swing Bearing - Height
27 in / 672 mm
Note
European Union Directive “2000/14/EC”
Maximum Reach
263 in / 6685 mm
Auxiliary Circuit - Secondary - Pressure
3553 psi / 24500 kPa
Top Guard
ISO 10262:1998 (Level II)
Counterweight
551 lb / 250 kg
Stroke
4 in / 102.4 mm
Bore
3.4 in / 87 mm
Pump Flow at 2,400 rpm
40 gal/min / 151 l/min
Straight Blade Width
78 in / 1980 mm
Boom In Reach
117 in / 2960 mm
O/A Undercarriage Length
102 in / 2580 mm
Travel Speed - Low
1.7 mile/h / 2.8 km/h
Track Belt/Shoe Width
16 in / 400 mm
Operating Pressure - Swing
3263 psi / 22500 kPa
Operating Pressure - Travel
3553 psi / 24500 kPa
Engine Oil
2.1 gal (US) / 8 l
Maximum Traction Force - High Speed
6969 lbf / 31 kN
Travel Speed - High
3.1 mile/h / 5 km/h
Tail Swing with Counterweight
58 in / 1475 mm
Auxiliary Circuit - Secondary - Flow
9 gal/min / 33 l/min
Minimum Operating Weight with Canopy*
14134 lb / 6410 kg
Long Stick
97 lb / 44 kg
Note (1)
*Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, fixed blade and no bucket.
Minimum Operating Weight with Cab*
14266 lb / 6470 kg
Digging Force - Stick - Standard
6632 lbf / 29.5 kN
Auxiliary Circuit - Primary - Pressure
3553 psi / 24500 kPa
Vertical Wall
125 in / 3165 mm
Auxiliary Circuit - Primary - Flow
24 gal/min / 90 l/min
Digging Force - Bucket
11578 lbf / 51.5 kN
Operator Sound Pressure (ISO 6396:2008)
72 dB(A) / 72 dB(A)
Operating Pressure - Equipment
3553 psi / 24500 kPa
Maximum Operating Weight with Cab**
15766 lb / 7150 kg
Maximum Operating Weight with Canopy**
15633 lb / 7090 kg
Note (2)
**Maximum Weight is based on steel tracks with pads, extra counterweight, operator, full fuel tank, long stick, fixed blade and no bucket.
Hydraulic System
27.5 gal (US) / 104 l
Displacement
148 in³ / 2.43 l
Angle Blade Height
15.7 in / 400 mm
Type
Load Sensing Hydraulics with Variable Displacement Piston Pump
Cooling System
2.6 gal (US) / 10 l
Digging Force - Stick - Long
5957 lbf / 26.5 kN
Roll Over Protective Structure (ROPS)
ISO 12117-2:2008
Tip Over Protective Structure (TOPS)
ISO 12117:1997
Gradeability - Maximum
30 degrees
Recyclability
96%
Ground Clearance
12 in / 306 mm
Angle Blade
225 lb / 102 kg