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310 Mini Hydraulic Excavator

310 Mini Hydraulic Excavator

Mini Excavators Inspired by Our Customers

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More Comfort – More Performance – More Versatility

  • 4 Industry First Features

    Cat Exclusives in a Mini Excavator

  • Up to 10% Lower Total Ownership Costs

    with improved fuel efficiency and longer service intervals

  • Up to 20% More Performance

    with customizable operator settings and improvements in lift, swing, travel and multifunction

Engine

Bore 3.7 in
Displacement 203 in³
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat® C3.3B
Gross Power - SAE J1995:2014 74.3 HP
Net Power 69.5 HP
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 HP
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Note 1 Advertised power is tested per the specified standard in effect at the time of manufacture.
Stroke 4.7 in

Weights

Maximum Operating Weight with Cab** 22451 lb
Minimum Operating Weight with Cab* 21170 lb
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket.
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Operating Weight 22451 lb

Weight Increase from Minimum Configuration

Counterweight 552 lb
Steel Tracks with Pads 728 lb

Travel System

Gradeability - Maximum 30 degrees
Ground Pressure - Maximum Weight 6.4 psi
Ground Pressure - Minimum Weight 6 psi
Maximum Traction Force - High Speed 6497 lb
Maximum Traction Force - Low Speed 19064 lb
Travel Speed - High 3.1 mile/h
Travel Speed - Low 1.6 mile/h

Service Refill Capacities

Cooling System 2.6 gal (US)
Engine Oil 3 gal (US)
Fuel Tank 38 gal (US)
Hydraulic System 37 gal (US)
Hydraulic Tank 14 gal (US)

Hydraulic System

Digging Force - Bucket 17459 lb
Digging Force - Stick 11060 lb
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Operating Pressure - Equipment 4134 psi
Operating Pressure - Swing 3336 psi
Operating Pressure - Travel 4134 psi
Pump Flow at 2,400 rpm 62 gal/min
Type Load Sensing Hydraulics with Variable Displacement Piston Pump

Swing System

Machine Swing Speed 10.6 r/min

Blade

Height 17 in
Width - Standard 97.2 in
Width - Wide 103.9 in

Certification - Cab

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

Sound

Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Note European Union Directive "2000/14/EC"
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)

Dimensions

Dig Depth 205.2 in

Dimensions - Standard Stick

Boom In Reach 83.3 in
Cab Height 100 in
Dig Depth 205.2 in
Ground Clearance - Frame 14 in
Height - Boom Transport - No Tools* 100.4 in
Height - Boom Working - With Tools** 106.3 in
Maximum Blade Depth 18.8 in
Maximum Blade Height 16.6 in
Maximum Dig Height 313.8 in
Maximum Dump Clearance 229.5 in
Maximum Reach 303 in
Maximum Reach - Ground Level 298 in
Note (1) *Boom Height when stick is pinned in transport position (if available) with no attachments.
Note (2) **Boom Height when stick is pinned in working position with attachments.
O/A Track Width 97.2 in
O/A Undercarriage Length 126 in
Overall Shipping Length - with Counterweight 274.9 in
Overall Shipping Length - without Counterweight 269.7 in
Stick Length 98.4 in
Swing Bearing - Height 28.9 in
Tail Swing - Standard Counterweight 76.1 in
Tail Swing without Counterweight 70.9 in
Track Belt/Shoe Width 17.7 in
Vertical Wall 172.6 in

Air Conditioning System

Air Conditioning The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.430 metric tonnes.

Sustainability

Recyclability 96%

Download resources

310 Product Brochure
Cat Mini Hydraulic Excavators Product Line Brochure (North America)
Cat Mini Hydraulic Excavators Product Line Brochure (Europe)
Options And Accessories Kit Guide for Mini Hydraulic Excavators
Cat Attachments for Mini Excavators Brochure
Attachment Compatibility Guide for Mini Excavators

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