310 Mini Excavator

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0% For 60 Months* With A 2-Year Warranty**
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  • A sealed and pressurized cab is equipped with an improved air conditioning system, adjustable wrist rests and a suspension seat to help keep you working comfortably all day long.


  • Controls are easy to use and the intuitive Next Generation Monitor provides customizable machine operator preferences and easy to read machine information.


  • 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 with a push of a button. The benefit of less effort and improved control is in your hands!


  • Increased lifting, swinging, travel and multi-functioning performance helps you get the job done more efficiently, and dig-to-blade allows for easy clean up.


  • Your safety is our top priority. The Cat Mini Excavator is designed to help keep you safe on the job. A 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.


  • 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.


  • 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.

310 Standard Equipment

  • Extended Life Coolant, –37° C (–35° F)
  • Automatic Engine Idle
  • Radial Seal – Double Element Air Filter
  • Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF)
  • Fuel Water Separator with Indicator
  • Automatic Two Speed Travel
  • Automatic Swing Brake
  • Ecology Drain
  • Automatic Engine Shutdown

  • Smart Tech Electronic Pump
  • Certified Accumulator
  • HYDO Advanced Hydraulic Oil
  • Power On Demand
  • Hydraulic Temperature Monitoring
  • Load Sensing/Flow Sharing Hydraulics
  • Variable Displacement Piston Pump

  • LED Interior Light
  • Fabric, High Back, Suspension Seat
  • Sealed and Pressurized Cab
  • Retractable Seat Belt (75 mm/3 in)
  • Molded Footrests
  • Integrated Lower Front Window
  • Travel Pedals and Hand Levers
  • HVAC with Automatic Temperature Control
  • Assisted Front Window Overhead Storage
  • Operator Sound Pressure 72 dB(A) ISO 6396
  • Travel Cruise Control
  • Cat Key with Passcode Option
  • Stick Steer Mode
  • Radio – Bluetooth®, USB, Auxiliary, Microphone
  • Control Pattern Changer
  • Skylight
  • Removable, Washable Floor Mat
  • Mounting Bosses for Top and Front Guards
  • Adjustable Wrist Rests
  • 12V Power Socket
  • Coat Hook
  • Top Guard – ISO 10262:1998 (Level II)
  • Cup Holder
  • Hydraulic Lockout Controls
  • ROPS – ISO 12117-2:2008
  • Literature Holder
  • Rear Window Emergency Exit
  • Color LCD Monitor
    – Fuel Level and Coolant Temperature Gauges
    – Maintenance and Machine Monitoring
    – Performance and Machine Adjustments
    – Numeric Security Code
    – Multiple Languages
    – Camera Ready
    – Hour Meter with Wake Up Switch
    – Jog Dial Control Interface
  • TOPS – ISO 12117:1997

  • Greased and Lubricated Track
  • Tie Down Eyes on Track Frame
  • Hydraulic Track Adjusters
  • Dozer Blade
  • Dozer Float
  • Bolt-on, Reversible Wear Edge
  • Steel Tracks (450 mm/17.7 in wide)

  • One Piece Boom (4300 mm/169.3 in)
  • Long Stick (2500 mm/98.4 in)
  • Front Shovel Capable (Pin-On/Manual Coupler/Hydraulic Coupler – not available in all regions)
  • Thumb Ready (not available in all regions)
  • Certified Lifting Eye (not available in all regions)

  • 12 Volt Electrical System
  • 60 Ampere Alternator
  • 900 CCA Maintenance Free Battery
  • Battery Disconnect
  • Ignition Key Stop Switch
  • Signaling/Warning Horn
  • Product Link™ Elite Lite (regulations apply)
  • Travel Alarm

310 Optional Equipment

  • Rain Visor
  • Air Suspension Heated Seat

  • Rearview Camera
  • Rotating Beacon

  • 2nd Auxiliary Hydraulic Lines with Case Drain
  • Wide Steel Tracks (600 mm/23.6 in)
  • Attachments including Buckets, Augers and Hammers
  • Boom and Stick Hose Burst Check Valves
  • Steel Track with Rubber Pads
  • Bucket Linkage with Lift Eye
  • Track Guides
  • Water Jacket Heater
  • Refueling Pump
  • Cab Guarding


The Cat® 310 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.


Engine Model Cat C3.3B Cat C3.3B Less
Net Power 70.3 HP 52.4 kW Less
Stroke 4.7 in 120.0 mm Less
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 70.3 HP 52.4 kW Less
Gross Power - ISO 14396 74.3 HP 55.4 kW Less
Bore 3.7 in 94.0 mm Less
Displacement 203.0 in³ 3.33 l Less
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 71.5 HP 53.3 kW Less


Operating Weight 22447.0 lb 10182.0 kg Less
Minimum Operating Weight with Cab* 21166.0 lb 9601.0 kg Less
Maximum Operating Weight with Cab** 22447.0 lb 10182.0 kg Less
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket. Less
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket. *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket. Less


Height 17.0 in 431.0 mm Less
Width - Standard 97.0 in 2470.0 mm Less
Width - Wide 104.0 in 2640.0 mm Less

Hydraulic System

Operating Pressure - Swing 3336.0 psi 230.0 bar Less
Auxiliary Circuit - Primary - Pressure 4134.0 psi 285.0 bar Less
Digging Force - Bucket 17459.0 lb 77.7 kN Less
Auxiliary Circuit - Secondary - Pressure 4134.0 psi 285.0 bar Less
Operating Pressure - Travel 4134.0 psi 285.0 bar Less
Operating Pressure - Equipment 4134.0 psi 285.0 bar Less
Auxiliary Circuit - Secondary - Flow 9.0 gal/min 33.0 l/min Less
Auxiliary Circuit - Primary - Flow 35.0 gal/min 131.0 l/min Less
Digging Force - Stick 11060.0 lb 49.2 kN Less
Type Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump Less
Pump Flow at 2,400 rpm 62.0 gal/min 233.0 l/min Less


Transport Height 114.0 in 2884.0 mm Less
Tail Swing without Counterweight 71.0 in 1800.0 mm Less
Cab Height 103.0 in 2607.0 mm Less
Swing Bearing Height 32.0 in 822.0 mm Less
Maximum Blade Height 14.0 in 355.0 mm Less
Boom in Reach 90.0 in 2272.0 mm Less
Maximum Reach 301.0 in 7644.0 mm Less
Vertical Wall 192.0 in 4873.0 mm Less
Track Belt/Shoe Width 18.0 in 450.0 mm Less
Dig Depth 205.0 in 5211.0 mm Less
Tail Swing with Counterweight 79.0 in 1995.0 mm Less
Overall Track Width 97.0 in 2470.0 mm Less
Maximum Dump Clearance 230.0 in 5829.0 mm Less
Maximum Reach - Ground Level 296.0 in 7518.0 mm Less
Maximum Blade Depth 26.0 in 671.0 mm Less
Overall Shipping Length 259.0 in 6579.0 mm Less
Overall Undercarriage Length 126.0 in 3200.0 mm Less
Stick Length 98.0 in 2500.0 mm Less
Maximum Dig Height 314.0 in 7970.0 mm Less
Ground Clearance 14.0 in 356.0 mm Less

Travel System

Maximum Traction Force - Low Speed 19064.0 lb 84.8 kN Less
Maximum Traction Force - High Speed 6497.0 lb 28.9 kN Less
Travel Speed - High 3.1 mile/h 4.9 km/h Less
Travel Speed - Low 1.6 mile/h 2.6 km/h Less
Ground Pressure - Maximum Weight 6.0 psi 44.2 kPa Less
Ground Pressure - Minimum Weight 6.0 psi 41.68 kPa Less
Gradeability - Maximum 30 degrees 30 degrees Less

Certification - Cab

Top Guard ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) Less
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 ISO 12117-2:2008 Less
Tip Over Protective Structure (TOPS) ISO 12117:1997 ISO 12117:1997 Less

Service Refill Capacities

Hydraulic Tank 14.0 gal (US) 53.0 l Less
Cooling System 2.6 gal (US) 10.0 l Less
Engine Oil 3.0 gal (US) 11.2 l Less
Fuel Tank 38.0 gal (US) 145.0 l Less
Hydraulic System 37.0 gal (US) 140.0 l Less

Weight Increase from Minimum Configuration

Counterweight 552.0 lb 250.0 kg Less
Steel Tracks with Pads 728.0 lb 330.0 kg Less


Average Exterior Sound Pressure (ISO 6395:2008) 99.0 dB(A) 99.0 dB(A) Less
Operator Sound Pressure (ISO 6396:2008) 72.0 dB(A) 72.0 dB(A) Less
Note European Union Directive “2000/14/EC” European Union Directive “2000/14/EC” Less

Swing System

Machine Swing Speed 10.6 r/min 10.6 r/min Less

Right Now, We're Offering 0% For 60 Months On A New Cat® Mini Excavator* With A 2-Year Standard Warranty.**

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