
The 310 excavator is equipped with a wide track, which enhances stability and provides a low center of gravity, allowing it to work efficiently on uneven or sloped surfaces. Moreover, the ergonomic cab offers a comfortable, climate-controlled environment with low vibration levels, maximizing operator comfort over long shifts.
Engine and Performance
Equipped with a robust Caterpillar diesel engine, the CAT 310 Mini Excavator offers maximum power and efficiency. The engine delivers a net power of 69.5 HP at 2,200 rpm and a gross power of 74.3 HP at 2,200 rpm. It meets the stringent emissions standards set by the European Union Directive “2000/14/EC” and U.S. EPA Tier 4 Final, thanks to its advanced exhaust system. Additionally, the auto engine shutdown feature helps to minimize unnecessary fuel burn, contributing to lower operating costs and enhanced fuel efficiency.
CAT 310 EXCAVATOR ADD-ONS
Long Reach Arms
The HAWK Long Reach Arms Package is an excellent addition to any standard excavator for deep foundation excavation, industrial demolition, deeper or more precise dredging, large digging projects, barge unloading, tank cleaning, and for any.. read more
Amphibious Undercarriage
The HAWK Amphibious Undercarriage is an excavator that you can use in inaccessible places. Install our amphibious undercarriage and tracks package and easily be able to dredge and excavate from land, sea, or swamp,.. read more
RTK GPS Dredge & Dig System
The HAWK RTK GPS Dredge & Dig System is an efficient and accurate dredging equipment and you always know where you’re dredging with our new RTK GPS system that can be attached to a dredge.. read more
CAT 310 EXCAVATOR ATTACHMENTS
Hydraulic Breaker Hammers
The HAWK hydraulic breaker hammer is essential in mining, demolitions, excavations, and quarries as it chips away large boulders and concrete structures. Most contractors prefer using the hydraulic hammer breaker because of its high performance,.. read more
CAT310-HBH850T – 3 1/2-inch Hydraulic Breaker Hammer (Top)
CAT310-HBH850S – 3 1/2-inch Hydraulic Breaker Hammer (Side)
CAT310-HBH850B – 3 1/2-inch Noise Reducer Box Hydraulic Breaker Hammer (Box)
CAT310-HBH1000T – 4-inch Hydraulic Breaker Hammer (Top)
CAT310-HBH1000S – 4-inch Hydraulic Breaker Hammer (Side)
CAT310-HBH1000B – 4-inch Noise Reducer Hydraulic Breaker Hammer (Box)
HAWK Capacity Clamshell Buckets
The HAWK excavator clamshell bucket and rotating clamshell bucket is best for dredging and material re-handling. These clamshell buckets are capable of picking up 1 y³ of material. The rotating clamshell bucket 360-degrees of rotation… read more
Crusher Buckets
Maximize the efficiency of your excavator with HAWK Excavator crusher buckets designed for crushing and recycling on-site materials at rates up to 30 tons per hour. These robust attachments allow operators to process concrete, natural rock, asphalt, and other materials directly on the job site, eliminating the need for transport and additional equipment.
HAWK Excavator Grapples
HAWK excavator grapples are an excellent alternative to excavator buckets, converting the latter into machines fit for demolition site cleanups, sorting trash, and handling loose materials. HAWK offers different excavator grapples for different applications.
Hydraulic System
The CAT 310 Mini Excavator boasts a sophisticated load-sensing hydraulic system with a variable displacement pump, ensuring smooth and efficient operation. The hydraulic system operates at a pressure of 4134 psi, with a maximum auxiliary circuit flow of 62 gal/min. The system’s flow rises pressure characteristic means that as the flow increases, the pressure decreases, which helps to reduce energy consumption and lower operating costs.
Other Benefits
Designed with operator comfort and safety in mind, the CAT 310 Mini Excavator features a sealed and pressurized cab that provides a quiet and comfortable working environment. The cab is equipped with customizable machine operator preferences, including an improved air conditioning system, adjustable wrist rests, and a fluorescent retractable seat belt for enhanced comfort and safety. The intuitive next generation monitor option offers ergonomic controls and a high-definition camera capable of providing a clear view of the jobsite. Additionally, the site reference system aids in accurately positioning the machine and its attachments.
It also features enhanced safety systems, including a rearview camera and enhanced LED work lights, to boost operator visibility on job sites. With its compact design, efficient fuel usage, and ease of maintenance, the Caterpillar 310 is a reliable choice for contractors seeking a high-performing mini excavator for versatile applications.
CAT 310 EXCAVATOR FEATURES AT A GLANCE

LATEST FEATURES
- Optional CAT 310 Excavator Command remote control allows you to work outside of the cab to help avoid potential hazards.
- Optional CAT 310 Excavator Detect – People Detection helps the operator avoid personnel on the jobsite with visual and auditory alerts.
- The optional integrated vehicle health management system alerts the operator with service guidance and necessary parts to enhance uptime.
- Optional single antenna global navigation satellite system (GNSS) gives you visual and auditory guidance to grade.
- Optional auxiliary relay powers on and turns off CB radios, beacon lights, and other attachments without you taking your hands off the joysticks.
- Enhance visibility to make service work more accessible and safer with optional inspection lighting.
- Make the jobsite safer with an optional swing alarm.
Not all features are available in all regions. Please check with your local Cat dealer for specific offering availability in your area.
Build Number: 08B
HIGH PERFORMANCE
- The C3.3B engine reliably delivers power to the pumps for maximum production.
- The electrohydraulic system responds quickly and efficiently to the task at hand.
- Match the excavator to the job with three power modes – Power, Smart, and Eco.
- Power mode is maximum power all the time. Smart mode automatically matches engine and hydraulic power to digging conditions, providing maximum power when needed and reducing power when it isn’t to help save fuel.
- Eco mode reduces engine speed and keeps it constant to reduce fuel consumption.

All HAWK Excavator CAT310 models are built for easy operation and compatibility with various attachments, making them ideal for a wide range of excavation, construction, and marine dredging projects.”
PRODUCT SPECIFICATIONS FOR CAT 310 EXCAVATOR
ENGINE | |
|---|---|
| Net Power – ISO 9249 | 69.5 HP |
| Engine Model | Cat C3.3B |
| Engine Power – ISO 14396 | 74.3 HP |
| Bore | 3.7 in |
| Stroke | 4.7 in |
| Displacement | 203 in³ |
HYDRAULIC SYSTEM | |
| Main System – Maximum Flow | 233 l/min (62 gal/min) |
| Maximum Pressure – Equipment | 4134 psi |
| Maximum Pressure – Travel | 4134 psi |
| Maximum Pressure – Swing | 3336 psi |
SWING MECHANISM | |
| Swing Speed | 10.6 r/min |
| Maximum Swing Torque | 54900 ft·lb |
WEIGHTS | |
| Operating Weight | 22451 lb |
SERVICE REFILL CAPACITIES | |
| Fuel Tank Capacity | 38 gal (US) |
| Cooling System | 3.0 gal (US) |
| Engine Oil | 3.0 gal (US) |
| Hydraulic System – Including Tank | 37 gal (US) |
| Hydraulic Tank | 14 gal (US) |
DIMENSIONS | |
| Dig Depth | 5211 mm(205.2 in) |
| Vertical Wall | 4385 mm(172.6 in) |
| Maximum Reach at Ground Level | 7570 mm(298.0 in) |
| Maximum Reach | 7695 mm(303.0 in) |
| Maximum Dig Height | 7970 mm(313.8 in) |
| Maximum Dump Clearance | 5829 mm(229.5 in) |
| Boom in Reach | 2116 mm(83.3 in) |
| Tail Swing with Counterweight | 1933 mm(76.1 in) |
| Tail Swing without Counterweight | 1800 mm(70.9 in) |
| Maximum Blade Height | 421 mm(16.6 in) |
| Maximum Blade Depth | 478 mm(18.8 in) |
| Boom Height in Shipping Position(Boom Transport – No Tools*) | 2550 mm(100.4 in) |
| Boom Height in Shipping Position(Boom Working – With Tools**) | 2700 mm(106.3 in) |
| Cab Height | 2541 mm(100.0 in) |
| Swing Bearing Height | 735 mm(28.9 in) |
| Overall Undercarriage Length | 3200 mm(126.0 in) |
| Overall Shipping Length with Counterweight | 6983 mm(274.9 in) |
| Overall Shipping Length without Counterweight | 6850 mm(269.7 in) |
| Track Belt/Shoe Width | 450 mm(17.7 in) |
| Overall Track Width | 2470 mm(97.2 in) |
| Stick Length | 2500 mm (98.4 in) |
| Boom | Reach 2.7 m (8’10”) |
| Stick | R2.9B1 (9’6″) |
| Bucket | 1.00 m³ (1.31 yd³) |
| Shipping Height – Top of Cab | 8.3 ft |
| Handrail Height | n/a |
| Shipping Length | 22.9 ft |
| Tail Swing Radius | 5.9 ft |
| Counterweight Clearance | 3.4 ft |
| Ground Clearance | 356 mm (14.0 in) |
| Track Length | 10.5 ft |
| Length to Center of Rollers | n/a |
| Track Gauge | 7.9 ft |
| Transport Width | 8.1 ft |
WORKING RANGES & FORCES | |
| Maximum Digging Depth | 17.1 ft |
| Boom | Reach 5.7 m (18.8) |
| Stick | R2.9B1 (9’6″) |
| Bucket | 1.00 m³ (1.31 yd³) |
| Maximum Reach at Ground Level | 24.8 ft |
| Maximum Dig Height | 26.1 ft |
| Maximum Depth Cut for 2440 mm (8 ft) | |
| Bucket Digging Force – ISO | 17459 lbs. |
| Stick Digging Force – ISO | 11060 lbs. |
Other HAWK Products
Explore our fleet of heavy-duty excavator accessories for a range of construction, excavation, and dredging projects.

HAWK Vision
Attach the RTK GPS Positioning system to your excavator's bucket or other attachment to always know where the bucket is under the waterline. Prevent over and under dredging.
Amphibious Undercarriage
Complete amphibious undercarriage allowing you to convert your existing excavator into a swamp dredger capable of even more production in harsh areas.
Sectional Barges
Fully modular barges ready for quick assembly at the job site. Can hold an excavator and long stick for the extended reach your excavation needs.










