Cat 306 CR

Mini excavators

About the Cat 306 CR

 

The Cat<sup>®</sup> 306 CR Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.

Specifications

Engine
Engine Model Cat C2.4 Turbo
Net Power 41.7 kW
Gross Power - ISO 14396 43.2 kW
Displacement 2.43 l
Bore 87 mm
Stroke 102.4 mm
Net Power @ 2,200 rpm - U.S. EPA Tier 4 Final/EU Stage V - ISO 9249/EEC 80/1269 41.7 kW
Weights
Operating Weight 7150 kg
Minimum Operating Weight with Canopy* 6410 kg
Maximum Operating Weight with Canopy** 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.
Maximum Operating Weight with Cab** 7150 kg
Minimum Operating Weight with Cab* 6470 kg
Note (1) *Minimum Weight is based on rubber tracks, operator, full fuel tank, standard stick, fixed blade and no bucket.
Weight Increase from Minimum Configuration
Counterweight 250 kg
Long Stick 44 kg
Steel Tracks with Pads 375 kg
Angle Blade 102 kg
XTC Carriage (no tool) 64 kg
Travel System
Ground Pressure - Minimum Weight 35.4 kPa
Ground Pressure - Maximum Weight 39.1 kPa
Gradeability - Maximum 30 degrees
Maximum Traction Force - High Speed 31 kN
Maximum Traction Force - Low Speed 56 kN
Travel Speed - High 5 km/h
Travel Speed - Low 2.8 km/h
Service Refill Capacities
Cooling System 10 l
Hydraulic System 104 l
Hydraulic Tank 53 l
Engine Oil 8 l
Fuel Tank 130 l
Hydraulic System
Operating Pressure - Travel 24500 kPa
Auxiliary Circuit - Primary - Flow 90 l/min
Digging Force - Bucket 51.5 kN
Auxiliary Circuit - Primary - Pressure 24500 kPa
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Auxiliary Circuit - Secondary - Flow 33 l/min
Operating Pressure - Equipment 24500 kPa
Auxiliary Circuit - Secondary - Pressure 24500 kPa
Digging Force - Stick - Standard 29.5 kN
Operating Pressure - Swing 22500 kPa
Digging Force - Stick - Long 26.5 kN
Pump Flow at 2,400 rpm 151 l/min
Swing System
Boom Swing - Right 65 degrees
Boom Swing - Left 60 degrees
Machine Swing Speed 11 r/min
Blade
Straight Blade Width 1980 mm
Angle Blade Width 1980 mm
Straight Blade Height 390 mm
Angle Blade Height 400 mm
Certification - Cab
Top Guard ISO 10262:1998 (Level II)
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Sound
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Note European Union Directive “2000/14/EC”
Dimensions - Standard Stick
Track Belt/Shoe Width 400 mm
Maximum Reach 6295 mm
Stick Length 1580 mm
Vertical Wall 2710 mm
Swing Bearing - Height 672 mm
Maximum Reach - Ground Level 6130 mm
Maximum Blade Height 415 mm
Ground Clearance 306 mm
Boom In Reach 2485 mm
Boom Swing - Right 910 mm
Transport Height 1755 mm
Tail Swing with Counterweight 1475 mm
Cab Height 2545 mm
Width over Upper House 1950 mm
Maximum Dump Clearance 4325 mm
Tail Swing without Counterweight 1350 mm
Boom Swing - Left 735 mm
O/A Undercarriage Length 2580 mm
Maximum Dig Height 5835 mm
Maximum Blade Depth 600 mm
O/A Track Width 1980 mm
Dig Depth 3710 mm
O/A Shipping Length 5975 mm
Dimensions - Long Stick
Maximum Blade Height 415 mm
O/A Track Width 1980 mm
Track Belt/Shoe Width 400 mm
Tail Swing with Counterweight 1475 mm
Vertical Wall 3165 mm
Boom In Reach 2960 mm
Maximum Blade Depth 600 mm
Maximum Dig Height 6130 mm
Transport Height 2410 mm
Stick Length 1980 mm
Ground Clearance 306 mm
Swing Bearing - Height 672 mm
Width over Upper House 1950 mm
O/A Undercarriage Length 2580 mm
O/A Shipping Length 5950 mm
Dig Depth 4110 mm
Cab Height 2545 mm
Maximum Reach 6685 mm
Boom Swing - Left 735 mm
Tail Swing without Counterweight 1350 mm
Boom Swing - Right 910 mm
Maximum Dump Clearance 4610 mm
Maximum Reach - Ground Level 6535 mm
Air Conditioning System
Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1287). The system contains 0.9 kg of refrigerant which has a CO2 equivalent of 1.287 metric tonnes.

Features

ALL DAY COMFORT

ALL DAY COMFORT
  • Your choice of a canopy (availability dependent on region) or a sealed and pressurized cab equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.
310 Mini Excavator

EASY TO OPERATE

EASY TO OPERATE
  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.
310 Mini Excavator

STICK STEER TRAVEL MODE

STICK STEER TRAVEL MODE
  • Moving around the job site is even easier with Cat Stick Steer. Easily switch from traditional travel controls with levers and pedals to joystick controls with a push of a button. The benefit of less effort and improved control is in your hands!
310 Mini Excavator

BIG PERFORMANCE IN A MINI DESIGN

BIG PERFORMANCE IN A MINI DESIGN
  • Increased lifting, swinging, travel and multi-functioning performance help you get the job done more efficiently.
CM20190607-64e63-d82ff.jpg

SAFETY ON THE JOB SITE

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. An optional back-up camera, courtesy work lights and a fluorescent retractable seat belt are just a few of the safety features we've built into the machine.
310 Mini Excavator

SIMPLE SERVICE FOR LESS DOWNTIME

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 with grouped service points and robust service panels.
310 Mini Excavator

LOWER OPERATING COSTS

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.
CM20190607-64e63-d82ff.jpg

CHOICES

CHOICES
  • Configure the machine to meet your specific application needs with a straight blade, angle blade, or Extra Tool Carrier (XTC).
CM20190607-65e11-07d83.jpg

UNMATCHED DEALER SUPPORT

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.

Contact us

 

Do you have questions or need advice? We are happy to help.

 

  • Call
  • Arrow

Request a quotation

 

Contact Close Icon - Contact Sticky Cross

Call us

Available during office hours from 08.00 - 18.00.

 

Email us

We will get in contact within 24 hours.

How would you like to be contacted by us? *
web-monitoring-ok