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310 Mini Hydraulic Excavator

310 Mini Hydraulic Excavator

At a Glance

Net Power
70.3 HP
Operating Weight
22447 lb
Dig Depth
205 in
Engine Model
Cat C3.3B
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Net Power 70.3HP
Engine Model Cat C3.3B
Stroke 4.7in
Rated Net Power - 2,200 rpm - U.S. EPA Tier 4 Final - ISO 9249/EEC 80/1269 70.3HP
Rated Net Power - 2,200 rpm - EU Stage V - ISO 9249/EEC 80/1269 71.5HP
Gross Power - ISO 14396 74.3HP
Bore 3.7in
Displacement 203in³


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Operating Weight 22447lb
Note (2) **Maximum Weight is based on steel tracks with rubber pads, counterweight, operator, full fuel tank, long stick, blade and no bucket.
Note (1) *Minimum Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket.
Minimum Operating Weight with Cab* 21166lb
Maximum Operating Weight with Cab** 22447lb


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Dig Depth 205in
Vertical Wall 192in
Transport Height 114in
Track Belt/Shoe Width 18in
Tail Swing without Counterweight 71in
Tail Swing with Counterweight 79in
Swing Bearing Height 32in
Stick Length 98in
Overall Undercarriage Length 126in
Overall Track Width 97in
Overall Shipping Length 259in
Maximum Reach - Ground Level 296in
Maximum Reach 301in
Maximum Dump Clearance 230in
Maximum Dig Height 314in
Maximum Blade Depth 26in
Maximum Blade Height 14in
Ground Clearance 14in
Cab Height 103in
Boom in Reach 90in


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Height 17in
Width - Standard 97in
Width - Wide 104in

Weight Increase from Minimum Configuration

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Steel Tracks with Pads 728lb
Counterweight 552lb

Travel System

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

Swing System

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Machine Swing Speed 10.6r/min


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

Service Refill Capacities

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

Hydraulic System

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Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 62gal/min
Operating Pressure - Travel 4134psi
Operating Pressure - Swing 3336psi
Operating Pressure - Equipment 4134psi
Digging Force - Stick 11060lb
Digging Force - Bucket 17459lb
Auxiliary Circuit - Secondary - Pressure 4134psi
Auxiliary Circuit - Secondary - Flow 9gal/min
Auxiliary Circuit - Primary - Pressure 4134psi
Auxiliary Circuit - Primary - Flow 35gal/min

Certification - Cab

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