With our huge inventory of new, used and rental equipment, WesTrac has the right machine for the job.
With our huge inventory of new, used and rental equipment, WesTrac has the right machine for the job.
Keep your operation working around the clock by making WesTrac your partner in parts. With over 75,000 product lines stocked in our warehouses, ready-to-go, we won't let you down.
The Cat® 310 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
The Cat® 310 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
Net Power | 51.8 kW | 69.5 hp |
Stroke | 120 mm | 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. | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. |
Bore | 94 mm | 3.7 in |
Displacement | 3.33 l | 203 in³ |
Gross Power - SAE J1995:2014 | 55.4 kW | 74.3 hp |
Engine Model - U.S. EPA Tier 4 Final/EU Stage V | Cat® C3.3B | Cat® C3.3B |
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 51.8 kW | 69.5 hp |
Note 1 | Advertised power is tested per the specified standard in effect at the time of manufacture. | Advertised power is tested per the specified standard in effect at the time of manufacture. |
Weights
Operating Weight | 10182 kg | 22451 lb |
Minimum Operating Weight with Cab* | 9601 kg | 21170 lb |
Maximum Operating Weight with Cab** | 10182 kg | 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. | **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 Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket. |
Weight Increase from Minimum Configuration
Counterweight | 250 kg | 552 lb |
Steel Tracks with Pads | 330 kg | 728 lb |
Travel System
Maximum Traction Force - Low Speed | 84.8 kN | 19064 lb |
Maximum Traction Force - High Speed | 28.9 kN | 6497 lb |
Travel Speed - High | 4.9 km/h | 3.1 mile/h |
Travel Speed - Low | 2.6 km/h | 1.6 mile/h |
Ground Pressure - Maximum Weight | 44.2 kPa | 6.4 psi |
Ground Pressure - Minimum Weight | 41.68 kPa | 6 psi |
Gradeability - Maximum | 30 degrees | 30 degrees |
Service Refill Capacities
Hydraulic Tank | 53 l | 14 gal (US) |
Cooling System | 10 l | 2.6 gal (US) |
Engine Oil | 11.2 l | 3 gal (US) |
Fuel Tank | 145 l | 38 gal (US) |
Hydraulic System | 140 l | 37 gal (US) |
Hydraulic System
Operating Pressure - Swing | 230 bar | 3336 psi |
Digging Force - Bucket | 77.7 kN | 17459 lb |
Operating Pressure - Travel | 285 bar | 4134 psi |
Operating Pressure - Equipment | 285 bar | 4134 psi |
Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
Digging Force - Stick | 49.2 kN | 11060 lb |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Pump Flow at 2,400 rpm | 233 l/min | 62 gal/min |
Maximum Auxiliary Circuit - Secondary - Flow at Pump | 33 l/min | 9 gal/min |
Maximum Auxiliary Circuit - Primary - Pressure at Pump | 285 bar | 4134 psi |
Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 285 bar | 4134 psi |
Maximum Auxiliary Circuit - Primary - Flow at Pump | 131 l/min | 35 gal/min |
Swing System
Machine Swing Speed | 10.6 r/min | 10.6 r/min |
Blade
Height | 431 mm | 17 in |
Width - Standard | 2470 mm | 97.2 in |
Width - Wide | 2640 mm | 103.9 in |
Certification - Cab
Top Guard | ISO 10262:1998 (Level I) | ISO 10262:1998 (Level I) |
Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 | ISO 12117-2:2008 |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 | ISO 12117:1997 |
Sound
Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) | 99 dB(A) |
Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | 72 dB(A) |
Note | European Union Directive "2000/14/EC" | European Union Directive "2000/14/EC" |
Dimensions
Dig Depth | 5211 mm | 205.2 in |
Dimensions - Standard Stick
Tail Swing without Counterweight | 1800 mm | 70.9 in |
Stick Length | 2500 mm | 98.4 in |
Boom In Reach | 2116 mm | 83.3 in |
Maximum Reach | 7695 mm | 303 in |
Dig Depth | 5211 mm | 205.2 in |
Ground Clearance - Frame | 356 mm | 14 in |
O/A Track Width | 2470 mm | 97.2 in |
Cab Height | 2541 mm | 100 in |
Track Belt/Shoe Width | 450 mm | 17.7 in |
Maximum Blade Depth | 478 mm | 18.8 in |
Maximum Dump Clearance | 5829 mm | 229.5 in |
Maximum Dig Height | 7970 mm | 313.8 in |
Maximum Blade Height | 421 mm | 16.6 in |
Tail Swing - Standard Counterweight | 1933 mm | 76.1 in |
O/A Undercarriage Length | 3200 mm | 126 in |
Vertical Wall | 4385 mm | 172.6 in |
Swing Bearing - Height | 735 mm | 28.9 in |
Maximum Reach - Ground Level | 7570 mm | 298 in |
Overall Shipping Length - with Counterweight | 6983 mm | 274.9 in |
Note (2) | **Boom Height when stick is pinned in working position with attachments. | **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. | *Boom Height when stick is pinned in transport position (if available) with no attachments. |
Overall Shipping Length - without Counterweight | 6850 mm | 269.7 in |
Height - Boom Transport - No Tools* | 2550 mm | 100.4 in |
Height - Boom Working - With Tools** | 2700 mm | 106.3 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. | 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% | 96% |
GUARDING
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 |
Top Guard ISO 10262:1998 (Level I) |
ENGINE
Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF) |
Automatic Engine Idle |
Automatic Engine Shutdown |
Automatic Swing Brake |
Automatic Two Speed Travel |
Fuel Water Separator with Indicator |
Radial Seal – Double Element Air Filter |
Extended Life Coolant, –37° C ( –37° F) |
HYDRAULICS
Electronic Variable Displacement Piston Pump |
Load Sensing/Flow Sharing Hydraulics |
Power On Demand |
Hydraulic Temperature Monitoring |
Certified Accumulator |
HYDO Advanced Hydraulic Oil |
OPERATOR ENVIRONMENT
TOPS – ISO 12117:1997 |
ROPS ISO 12117-2:2008 |
Stick Steer Mode |
Travel Cruise Control |
Control Pattern Changer |
Adjustable Wrist Rests |
Molded Footrests |
Removable, Washable Floor Mat |
Travel Pedals and Hand Levers |
Cat Key with Passcode Option |
HVAC with Automatic Temperature Control |
Hydraulic Lockout Controls |
Integrated Lower Front Window |
Assisted Front Window Overhead Storage |
Rear Window Emergency Exit |
Fabric, High Back, Suspension Seat |
Retractable Seat Belt (75 mm/3 in) |
Coat Hook |
Cup Holder |
LED Interior Light |
Literature Holder |
Mounting Bosses for Top and Front Guards |
12V Power Socket |
Radio – Bluetooth, Auxiliary, Microphone, USB (charging only) |
Skylight |
Signaling/Warning Horn |
Cab and (left side) Boom Work Lights |
Utility Space for Mobile Phone |
Next Generation Color LCD Monitor (IP66) – Jog Dial Interface – Fuel Level and Coolant Temperature Gauges – Maintenance and Machine Monitoring – Performance and Machine Adjustments – Numeric Security Code – Multiple Languages – Camera Ready (IP68 & IP69K) – Hour Meter with Wake Up Switch |
UNDERCARRIAGE
Greased and Lubricated Track |
Tie Down Eyes on Track Frame |
Dozer Straight Blade |
Dozer Float |
Bolt-on, Reversible Wear Edge |
BOOM, STICK AND LINKAGES
One Piece Boom (4300 mm/169.3 in) |
Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools (not available in all regions) |
Thumb Ready (not available in all regions) |
ELECTRICAL
12 Volt Electrical System |
90 Ampere Alternator |
900 CCA Maintenance Free Battery |
Battery Disconnect |
Ignition Key Stop Switch |
Travel Alarm |
OTHER
Locks on External Enclosure Doors |
Lockable Fuel Cap |
Beacon Socket |
Rear Reflectors |
OPERATOR ENVIRONMENT
Push to Start with Bluetooth® Key |
Air Suspension Heated Seat |
Rain Visor |
Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option) – Touch Screen – Site Reference System – High Definition Camera Capable (IP68 & IP69K) – Numeric Security Code |
The Cat® 310 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
Net Power | 51.8 kW | 69.5 hp |
Stroke | 120 mm | 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. | Net power advertised is the power available at the flywheel when the engine is equipped with air cleaner, exhaust system and fan. |
Bore | 94 mm | 3.7 in |
Displacement | 3.33 l | 203 in³ |
Gross Power - SAE J1995:2014 | 55.4 kW | 74.3 hp |
Engine Model - U.S. EPA Tier 4 Final/EU Stage V | Cat® C3.3B | Cat® C3.3B |
Net Power - 2,200 rpm - ISO 9249:2007, 80/1269/EEC | 51.8 kW | 69.5 hp |
Note 1 | Advertised power is tested per the specified standard in effect at the time of manufacture. | Advertised power is tested per the specified standard in effect at the time of manufacture. |
Weights
Operating Weight | 10182 kg | 22451 lb |
Minimum Operating Weight with Cab* | 9601 kg | 21170 lb |
Maximum Operating Weight with Cab** | 10182 kg | 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. | **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 Weight is based on steel tracks, no counterweight, operator, full fuel tank, long stick, blade and no bucket. |
Weight Increase from Minimum Configuration
Counterweight | 250 kg | 552 lb |
Steel Tracks with Pads | 330 kg | 728 lb |
Travel System
Maximum Traction Force - Low Speed | 84.8 kN | 19064 lb |
Maximum Traction Force - High Speed | 28.9 kN | 6497 lb |
Travel Speed - High | 4.9 km/h | 3.1 mile/h |
Travel Speed - Low | 2.6 km/h | 1.6 mile/h |
Ground Pressure - Maximum Weight | 44.2 kPa | 6.4 psi |
Ground Pressure - Minimum Weight | 41.68 kPa | 6 psi |
Gradeability - Maximum | 30 degrees | 30 degrees |
Service Refill Capacities
Hydraulic Tank | 53 l | 14 gal (US) |
Cooling System | 10 l | 2.6 gal (US) |
Engine Oil | 11.2 l | 3 gal (US) |
Fuel Tank | 145 l | 38 gal (US) |
Hydraulic System | 140 l | 37 gal (US) |
Hydraulic System
Operating Pressure - Swing | 230 bar | 3336 psi |
Digging Force - Bucket | 77.7 kN | 17459 lb |
Operating Pressure - Travel | 285 bar | 4134 psi |
Operating Pressure - Equipment | 285 bar | 4134 psi |
Note | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. | Flow and pressure are not combinable. Under load, as flow rises pressure goes down. |
Digging Force - Stick | 49.2 kN | 11060 lb |
Type | Load Sensing Hydraulics with Variable Displacement Piston Pump | Load Sensing Hydraulics with Variable Displacement Piston Pump |
Pump Flow at 2,400 rpm | 233 l/min | 62 gal/min |
Maximum Auxiliary Circuit - Secondary - Flow at Pump | 33 l/min | 9 gal/min |
Maximum Auxiliary Circuit - Primary - Pressure at Pump | 285 bar | 4134 psi |
Maximum Auxiliary Circuit - Secondary - Pressure at Pump | 285 bar | 4134 psi |
Maximum Auxiliary Circuit - Primary - Flow at Pump | 131 l/min | 35 gal/min |
Swing System
Machine Swing Speed | 10.6 r/min | 10.6 r/min |
Blade
Height | 431 mm | 17 in |
Width - Standard | 2470 mm | 97.2 in |
Width - Wide | 2640 mm | 103.9 in |
Certification - Cab
Top Guard | ISO 10262:1998 (Level I) | ISO 10262:1998 (Level I) |
Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 | ISO 12117-2:2008 |
Tip Over Protective Structure (TOPS) | ISO 12117:1997 | ISO 12117:1997 |
Sound
Average Exterior Sound Pressure (ISO 6395:2008) | 99 dB(A) | 99 dB(A) |
Operator Sound Pressure (ISO 6396:2008) | 72 dB(A) | 72 dB(A) |
Note | European Union Directive "2000/14/EC" | European Union Directive "2000/14/EC" |
Dimensions
Dig Depth | 5211 mm | 205.2 in |
Dimensions - Standard Stick
Tail Swing without Counterweight | 1800 mm | 70.9 in |
Stick Length | 2500 mm | 98.4 in |
Boom In Reach | 2116 mm | 83.3 in |
Maximum Reach | 7695 mm | 303 in |
Dig Depth | 5211 mm | 205.2 in |
Ground Clearance - Frame | 356 mm | 14 in |
O/A Track Width | 2470 mm | 97.2 in |
Cab Height | 2541 mm | 100 in |
Track Belt/Shoe Width | 450 mm | 17.7 in |
Maximum Blade Depth | 478 mm | 18.8 in |
Maximum Dump Clearance | 5829 mm | 229.5 in |
Maximum Dig Height | 7970 mm | 313.8 in |
Maximum Blade Height | 421 mm | 16.6 in |
Tail Swing - Standard Counterweight | 1933 mm | 76.1 in |
O/A Undercarriage Length | 3200 mm | 126 in |
Vertical Wall | 4385 mm | 172.6 in |
Swing Bearing - Height | 735 mm | 28.9 in |
Maximum Reach - Ground Level | 7570 mm | 298 in |
Overall Shipping Length - with Counterweight | 6983 mm | 274.9 in |
Note (2) | **Boom Height when stick is pinned in working position with attachments. | **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. | *Boom Height when stick is pinned in transport position (if available) with no attachments. |
Overall Shipping Length - without Counterweight | 6850 mm | 269.7 in |
Height - Boom Transport - No Tools* | 2550 mm | 100.4 in |
Height - Boom Working - With Tools** | 2700 mm | 106.3 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. | 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% | 96% |
GUARDING
Roll Over Protective Structure (ROPS) ISO 12117-2:2008 |
Top Guard ISO 10262:1998 (Level I) |
ENGINE
Cat C3.3B Diesel Engine (U.S. EPA Tier 4 Final/EU Stage V) – Electronic Engine, Turbo, Diesel Particulate Filter (DPF) |
Automatic Engine Idle |
Automatic Engine Shutdown |
Automatic Swing Brake |
Automatic Two Speed Travel |
Fuel Water Separator with Indicator |
Radial Seal – Double Element Air Filter |
Extended Life Coolant, –37° C ( –37° F) |
HYDRAULICS
Electronic Variable Displacement Piston Pump |
Load Sensing/Flow Sharing Hydraulics |
Power On Demand |
Hydraulic Temperature Monitoring |
Certified Accumulator |
HYDO Advanced Hydraulic Oil |
OPERATOR ENVIRONMENT
TOPS – ISO 12117:1997 |
ROPS ISO 12117-2:2008 |
Stick Steer Mode |
Travel Cruise Control |
Control Pattern Changer |
Adjustable Wrist Rests |
Molded Footrests |
Removable, Washable Floor Mat |
Travel Pedals and Hand Levers |
Cat Key with Passcode Option |
HVAC with Automatic Temperature Control |
Hydraulic Lockout Controls |
Integrated Lower Front Window |
Assisted Front Window Overhead Storage |
Rear Window Emergency Exit |
Fabric, High Back, Suspension Seat |
Retractable Seat Belt (75 mm/3 in) |
Coat Hook |
Cup Holder |
LED Interior Light |
Literature Holder |
Mounting Bosses for Top and Front Guards |
12V Power Socket |
Radio – Bluetooth, Auxiliary, Microphone, USB (charging only) |
Skylight |
Signaling/Warning Horn |
Cab and (left side) Boom Work Lights |
Utility Space for Mobile Phone |
Next Generation Color LCD Monitor (IP66) – Jog Dial Interface – Fuel Level and Coolant Temperature Gauges – Maintenance and Machine Monitoring – Performance and Machine Adjustments – Numeric Security Code – Multiple Languages – Camera Ready (IP68 & IP69K) – Hour Meter with Wake Up Switch |
UNDERCARRIAGE
Greased and Lubricated Track |
Tie Down Eyes on Track Frame |
Dozer Straight Blade |
Dozer Float |
Bolt-on, Reversible Wear Edge |
BOOM, STICK AND LINKAGES
One Piece Boom (4300 mm/169.3 in) |
Front Shovel Capable – Pin-on/Manual Coupler/Hydraulic Coupler for Cat Tools (not available in all regions) |
Thumb Ready (not available in all regions) |
ELECTRICAL
12 Volt Electrical System |
90 Ampere Alternator |
900 CCA Maintenance Free Battery |
Battery Disconnect |
Ignition Key Stop Switch |
Travel Alarm |
OTHER
Locks on External Enclosure Doors |
Lockable Fuel Cap |
Beacon Socket |
Rear Reflectors |
OPERATOR ENVIRONMENT
Push to Start with Bluetooth® Key |
Air Suspension Heated Seat |
Rain Visor |
Next Generation Advanced Monitor (below are all included with Next Generation Advanced Monitor option) – Touch Screen – Site Reference System – High Definition Camera Capable (IP68 & IP69K) – Numeric Security Code |