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Key Specs
The Cat® 310 Mini Excavator delivers maximum power and performance in a mini size to help you work in a wide range of applications.
Cat Exclusives in a Mini Excavator
with improved fuel efficiency and longer service intervals
with customizable operator settings and improvements in lift, swing, travel and multifunction
| Net Power | 71.5 hp 53.3 kW |
| Displacement | 203 in³ 3.33 l |
| Bore | 3.7 in 94 mm |
| Rated Net Power - 2,200 rpm - China Nonroad Stage III, Equivalent to EU Stage IIIA - ISO 9249/EEC 80/1269 | 71.5 hp 53.3 kW |
| Gross Power - SAE J1995 | 74.3 hp 55.4 kW |
| Stroke | 4.7 in 120 mm |
| Engine Model | Cat C3.3B Cat C3.3B |
| Operating Weight | 22447 lb 10182 kg |
| Minimum Operating Weight with Cab* | 21166 lb 9601 kg |
| Maximum Operating Weight with Cab** | 22447 lb 10182 kg |
| 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. |
| 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. |
| Dig Depth | 205 in 5211 mm |
| Track Belt/Shoe Width | 18 in 450 mm |
| Vertical Wall | 192 in 4873 mm |
| Maximum Dig Height | 314 in 7970 mm |
| Ground Clearance | 14 in 356 mm |
| Tail Swing without Counterweight | 71 in 1800 mm |
| Maximum Blade Depth | 26 in 671 mm |
| Maximum Dump Clearance | 230 in 5829 mm |
| Maximum Reach - Ground Level | 296 in 7518 mm |
| Cab Height | 103 in 2607 mm |
| Boom in Reach | 90 in 2272 mm |
| Transport Height | 114 in 2884 mm |
| Stick Length | 98 in 2500 mm |
| Overall Track Width | 97 in 2470 mm |
| Overall Shipping Length | 259 in 6579 mm |
| Maximum Reach | 301 in 7644 mm |
| Swing Bearing Height | 32 in 822 mm |
| Overall Undercarriage Length | 126 in 3200 mm |
| Maximum Blade Height | 14 in 355 mm |
| Tail Swing with Counterweight | 79 in 1995 mm |
| Height | 17 in 431 mm |
| Width - Standard | 97 in 2470 mm |
| Width - Wide | 104 in 2640 mm |
| 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) |
| Operating Pressure - Equipment | 4134 psi 285 bar |
| Pump Flow at 2,400 rpm | 62 gal/min 233 l/min |
| Operating Pressure - Swing | 3336 psi 230 bar |
| Operating Pressure - Travel | 4134 psi 285 bar |
| Digging Force - Bucket | 17459 lb 77.7 kN |
| Digging Force - Stick | 11060 lb 49.2 kN |
| Auxiliary Circuit - Primary - Pressure | 4134 psi 285 bar |
| Auxiliary Circuit - Primary - Flow | 35 gal/min 131 l/min |
| Auxiliary Circuit - Secondary - Flow | 9 gal/min 33 l/min |
| Type | Load Sensing Hydraulics with Variable Displacement Piston Pump Load Sensing Hydraulics with Variable Displacement Piston Pump |
| Auxiliary Circuit - Secondary - Pressure | 4134 psi 285 bar |
| Hydraulic System | 37 gal (US) 140 l |
| Hydraulic Tank | 14 gal (US) 53 l |
| Cooling System | 2.6 gal (US) 10 l |
| Engine Oil | 3 gal (US) 11.2 l |
| Fuel Tank | 38 gal (US) 145 l |
| Blade | 794 lb 360 kg |
| Steel Tracks with Pads | 728 lb 330 kg |
| Counterweight | 552 lb 250 kg |
| Ground Pressure - Minimum Weight | 6 psi 41.68 kPa |
| Maximum Traction Force - High Speed | 6497 lb 28.9 kN |
| Travel Speed - Low | 1.6 mile/h 2.6 km/h |
| Travel Speed - High | 3.1 mile/h 4.9 km/h |
| Maximum Traction Force - Low Speed | 19064 lb 84.8 kN |
| Ground Pressure - Maximum Weight | 6 psi 44.2 kPa |
| Gradeability - Maximum | 30 degrees 30 degrees |
| Roll Over Protective Structure (ROPS) | ISO 12117-2:2008 ISO 12117-2:2008 |
| Top Guard | ISO 10262:1998 (Level II) ISO 10262:1998 (Level II) |
| Tip Over Protective Structure (TOPS) | ISO 12117:1997 ISO 12117:1997 |
| Machine Swing Speed | 10.6 r/min 10.6 r/min |
Caterpillar product brochures and other informational documents are available for your growing business.
310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator
310 Mini Hydraulic Excavator
Front View
Top View
Left View
Rear View
Bottom View
Right View
Introducing the Next Generation Cat 7-10 Ton Mini Excavators
Overview of the Next Generation Cat 7-10 Ton Mini Excavators
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Stick Steer on the Cat Next Generation Mini Excavators
Cat 310 Mini Excavator Customer Story � Partners Excavating (Virginia, USA)
Daily Maintenance and Inspection on the Cat 7-10 Ton Mini Excavators
Safety Features on the Cat 7-10 Ton Mini Excavators
Leverage Caterpillar connected data and security principles to improve efficiencies, increase productivity and make your business more profitable.
VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
VisionLink® is a cloud-based software application that takes the guesswork out of fleet management with key insights to maximize performance - regardless of fleet size or equipment manufacturer. Receive equipment data seamlessly to your desktop or mobile device, all from a convenient centralized solution to make informed decisions at every turn.
