CAT 308 Excavator
The Caterpillar 308 is a robust and versatile next-generation mini hydraulic excavator, designed to meet the demands of diverse applications, including construction, landscaping, and utility work. With an operating weight of approximately 18,000 pounds, it offers the perfect balance of power and maneuverability, making it ideal for confined job sites without sacrificing performance. The machine is equipped with a fuel-efficient CAT 3.3B engine, delivering 74.3 hp, and an advanced hydraulic system, ensuring precise and responsive controls for digging, grading, and lifting tasks.
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CAT308 Excavator
This excavator stands out for its operator-centric design, featuring a spacious cab with advanced climate control, a high-resolution LCD monitor, and intuitive joystick controls for seamless operation. The 308 offers customizable hydraulic settings, a stable retractable undercarriage, and a reduced tail swing design, enhancing safety and flexibility in tight spaces. Additionally, it boasts compatibility with a variety of HAWK attachments, such as hammers, augers, and buckets, allowing users to maximize its utility across multiple job types.
Durability and ease of maintenance are key highlights of the Caterpillar 308. Built with heavy-duty components and a reinforced structure, it ensures long-term reliability in challenging environments. Routine maintenance is simplified with ground-level access to service points, an auto-idle feature to reduce fuel consumption, and Cat’s robust telematics system for remote monitoring and diagnostics. Whether for digging trenches, clearing land, or performing precision tasks, the 308 is a dependable partner for delivering productivity and efficiency on any job site.
CAT 308 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 308 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.
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HAWK Capacity Clamshell Buckets
The HAWK excavator clamshell bucket and rotating clamshell bucket are best for dredging and material re-handling. These clamshell buckets are capable of picking up 0.5 y³ of material. The rotating clamshell bucket offers 360-degrees of rotation.
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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 your excavator into a machine fit for demolition site cleanups, sorting trash, and handling loose materials. HAWK offers a variety of different excavator grapples for different applications.
CAT 308 EXCAVATOR FEATURES AT A GLANCE
LATEST FEATURES
- Optional CAT 308 Excavator Command remote control allows you to work outside of the cab to help avoid potential hazards.
- Optional CAT 308 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
All HAWK Excavator CAT308 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.
HIGH PERFORMANCE
- The CAT 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.
PRODUCT SPECIFICATIONS FOR CAT 308 EXCAVATOR
ENGINE | |
|---|---|
| Net Power – ISO 9249 | 70.3 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 | 167 l/min (44 gal/min) |
| Maximum Pressure – Equipment | 4134 psi |
| Maximum Pressure – Travel | 4134 psi |
| Maximum Pressure – Swing | 3626 psi |
SWING MECHANISM | |
| Swing Speed | 10.6 rpm |
WEIGHTS | |
| Maximum Operating Weight | 20678 lb |
SERVICE REFILL CAPACITIES | |
| Fuel Tank Capacity | 39 gal (US) |
| Cooling System | 2.6 gal (US) |
| Engine Oil | 3.0 gal (US) |
| Hydraulic System – Including Tank | 27 gal (US) |
| Hydraulic Tank | 14 gal (US) |
DIMENSIONS | |
| Dig Depth | 4109 mm (162 in) |
| Vertical Wall | 2992 mm (118 in) |
| Maximum Reach at Ground Level | 6949 mm (274 in) |
| Maximum Reach | 7141 mm (281 in) |
| Maximum Dig Height | 6735 mm (265 in) |
| Maximum Dump Clearance | 4759 mm (187 in) |
| Tail Swing with Counterweight | 1645 mm (65 in) |
| Tail Swing without Counterweight | 1450 mm (57 in) |
| Maximum Blade Height | 369 mm (15 in) |
| Maximum Blade Depth | 408 mm (16 in) |
| Transport Height | 2487 mm (98 in) |
| Cab Height | 2540 mm (100 in) |
| Swing Bearing Height | 755 mm (30 in) |
| Overall Undercarriage Length | 2880 mm (113 in) |
| Boom Swing Right | 963 mm (38 in) |
| Boom Swing Left | 503 mm (20 in) |
| Track Belt/Shoe Width | 450 mm (18 in) |
| Overall Track Width | 2300 mm (91 in) |
| Boom | Reach 120 in (3059 mm) |
| Stick | 1823 mm (72″) |
| Bucket | 12-36 in |
| Shipping Height – Top of Cab | 100 in (2541 mm) |
| Handrail Height | n/a |
| Shipping Length | 259 in (6571mm) |
| Tail Swing Radius | 4′ 3″ (1290 mm) |
| Counterweight Clearance | 28 in (714 mm) |
| Ground Clearance | 14 in (349 mm) |
| Track Length | 8.2 ft |
| Length to Center of Rollers | n/a |
| Track Gauge | 18 in (450 mm) |
| Transport Width | 91 in (2300 mm) |
WORKING RANGES & FORCES | |
| Maximum Digging Depth | 162 in (4109 mm) |
| Boom | Reach 120 in (3059 mm) |
| Stick | 71.7″ (1820 mm) |
| Bucket | 12-36 in |
| Maximum Reach at Ground Level | 281 in (7141 mm) |
| Maximum Dig Height | 265 in (6735 mm) |
| Maximum Depth Cut | 182.8″ (4643 mm) |
| Bucket Digging Force – ISO | 13946 lb/f |
| Stick Digging Force – ISO | 9509 lb/f. |
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.