310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator

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

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Net Power 69.5 HP
Stroke 4.7 in
Note Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan.
Bore 3.7 in
Displacement 203 in³
Gross Power - SAE J1995:2014 74.3 HP
Engine Model - U.S. EPA Tier 4 Final/EU Stage V Cat® C3.3B
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC 69.5 HP
Operating Weight 22451 lb
Minimum Operating Weight with Cab* 21170 lb
Maximum Operating Weight with Cab** 22451 lb
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.
Counterweight 552 lb
Steel Tracks with Pads 728 lb
Maximum Traction Force - Low Speed 19064 lb
Maximum Traction Force - High Speed 6497 lb
Travel Speed - High 3.1 mile/h
Travel Speed - Low 1.6 mile/h
Ground Pressure - Maximum Weight 6.4 psi
Ground Pressure - Minimum Weight 6 psi
Gradeability - Maximum 30 degrees
Hydraulic Tank 14 gal (US)
Cooling System 2.6 gal (US)
Engine Oil 3 gal (US)
Fuel Tank 38 gal (US)
Hydraulic System 37 gal (US)
Operating Pressure - Swing 3336 psi
Digging Force - Bucket 17459 lb
Operating Pressure - Travel 4134 psi
Operating Pressure - Equipment 4134 psi
Note Flow and pressure are not combinable. Under load, as flow rises pressure goes down.
Digging Force - Stick 11060 lb
Type Load Sensing Hydraulics with Variable Displacement Piston Pump
Pump Flow at 2,400 rpm 62 gal/min
Maximum Auxiliary Circuit - Secondary - Flow at Pump 9 gal/min
Maximum Auxiliary Circuit - Primary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Secondary - Pressure at Pump 4134 psi
Maximum Auxiliary Circuit - Primary - Flow at Pump 35 gal/min
Machine Swing Speed 10.6 r/min
Height 17 in
Width - Standard 97.2 in
Width - Wide 103.9 in
Top Guard ISO 10262:1998 (Level I)
Roll Over Protective Structure (ROPS) ISO 12117-2:2008
Tip Over Protective Structure (TOPS) ISO 12117:1997
Average Exterior Sound Pressure (ISO 6395:2008) 99 dB(A)
Operator Sound Pressure (ISO 6396:2008) 72 dB(A)
Note European Union Directive "2000/14/EC"
Dig Depth 205.2 in
Tail Swing without Counterweight 70.9 in
Stick Length 98.4 in
Boom In Reach 83.3 in
Maximum Reach 303 in
Dig Depth 205.2 in
Ground Clearance - Frame 14 in
O/A Track Width 97.2 in
Cab Height 100 in
Track Belt/Shoe Width 17.7 in
Maximum Blade Depth 18.8 in
Maximum Dump Clearance 229.5 in
Maximum Dig Height 313.8 in
Maximum Blade Height 16.6 in
Tail Swing - Standard Counterweight 76.1 in
O/A Undercarriage Length 126 in
Vertical Wall 172.6 in
Swing Bearing - Height 28.9 in
Maximum Reach - Ground Level 298 in
Overall Shipping Length - with Counterweight 274.9 in
Note (2) **Boom Height when stick is pinned in working position with attachments.
Note (1) *Boom Height when stick is pinned in transport position (if available) with no attachments.
Overall Shipping Length - without Counterweight 269.7 in
Height - Boom Transport - No Tools* 100.4 in
Height - Boom Working - With Tools** 106.3 in
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.

  • 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 blade float 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.

  • 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.