The Bobcat 322 Mini Excavator is a compact, powerful mini excavator well-suited for a wide range of light to medium-duty digging, trenching, and landscaping tasks. Known for its versatility, reliability, and ability to work in tight spaces, the Bobcat 322 is a favorite in industries such as construction, agriculture, and landscaping. Its compact dimensions combined with advanced hydraulics make it an ideal choice for operators who need maneuverability without sacrificing digging power. In this article, we’ll explore the specifications, capabilities, and popular uses of the Bobcat 322 mini excavator.
Overview of the Bobcat 322 Mini Excavator
The Bobcat 322 is part of Bobcat’s extensive lineup of compact excavators, known for their durability, ease of use, and versatility. First introduced in the early 2000s, the 322 has remained popular due to its powerful hydraulics and compact size, which allow it to work effectively in confined spaces. Although production has ceased in favor of newer models, the 322 remains in high demand on the used equipment market and is commonly utilized in both commercial and residential projects.
Key Specifications of the Bobcat 322
The specifications of the Bobcat 322 mini excavator reflect its ability to perform effectively while maintaining compactness and ease of transport. Below are its primary technical details:
1. Engine Specifications
The Bobcat 322 is equipped with a water-cooled, 3-cylinder diesel engine manufactured by Kubota. Known for its reliability and fuel efficiency, this engine provides enough power for most small to mid-sized excavation tasks while keeping fuel costs manageable.
- Engine Make/Model: Kubota D722-E
- Power Output: 15.7 horsepower (11.7 kW)
- Displacement: 43.9 cubic inches (0.719 L)
- Cooling System: Liquid-cooled
- Fuel Capacity: Approximately 5.5 gallons (20.8 liters)
The engine’s power output, while modest, is more than adequate for the 322’s size and intended applications. Kubota’s reputation for reliability and fuel efficiency makes this mini excavator a dependable option for operators looking for minimal downtime.
2. Operating Weight
The Bobcat 322 is designed to be a lightweight, compact machine, making it easy to transport to and from job sites. Its low operating weight also allows it to work on softer surfaces with less ground disturbance than larger machines.
- Operating Weight: Approximately 3,200 pounds (1,452 kg)
At just over 3,000 pounds, the Bobcat 322 can be towed by a standard pickup truck with a trailer, making it a convenient choice for contractors who frequently move between job sites. Additionally, its lightweight build reduces its impact on delicate surfaces like lawns or pavements.
3. Dimensions
The compact size of the Bobcat 322 allows it to operate in restricted spaces, making it ideal for projects in urban environments or residential areas. Its retractable undercarriage further enhances its accessibility.
- Width (Retracted Undercarriage): 38.6 inches (980 mm)
- Width (Expanded Undercarriage): 54 inches (1,372 mm)
- Overall Length: 136.6 inches (3,470 mm)
- Height (Top of Cab): 86.6 inches (2,200 mm)
The retractable undercarriage allows the Bobcat 322 to reduce its width when accessing narrow areas, while expanding it provides more stability when digging or lifting. Its compact height also makes it suitable for indoor work or for use in areas with low overhead clearance.
4. Digging Performance
The Bobcat 322 mini excavator offers impressive digging capabilities, especially given its small size. With a reach of over 12 feet and a maximum digging depth of just over 7 feet, it can handle various trenching and digging tasks.
- Maximum Digging Depth: 7.4 feet (2,260 mm)
- Maximum Reach at Ground Level: 12.8 feet (3,900 mm)
- Maximum Dump Height: 8.7 feet (2,650 mm)
- Bucket Breakout Force: 2,408 pounds-force (10.7 kN)
The machine’s hydraulic system provides ample power for efficient digging, even in tougher soils, while the bucket breakout force of over 2,400 pounds ensures the machine can handle compacted earth and small roots without difficulty.
5. Hydraulic System
The hydraulic system on the Bobcat 322 is designed to deliver consistent power and smooth operation. The auxiliary hydraulics enable the machine to run various attachments, making it versatile for multiple tasks beyond just digging.
- Pump Capacity: 7.9 gallons per minute (30 liters per minute)
- System Pressure: 2,625 psi (18.1 MPa)
The auxiliary hydraulic system on the Bobcat 322 provides enough power to operate attachments such as hydraulic breakers, augers, and grapple buckets, allowing the machine to adapt to different project requirements.
6. Undercarriage and Tracks
The undercarriage of the Bobcat 322 is built for stability and flexibility. The rubber tracks minimize surface damage, making it ideal for use on lawns and finished surfaces.
- Track Type: Rubber tracks
- Track Width: 9 inches (230 mm)
- Ground Pressure: 4.1 psi
The rubber tracks allow the Bobcat 322 to move smoothly on various surfaces without causing significant damage, and the low ground pressure reduces soil compaction, which is especially beneficial in landscaping and agricultural applications.
Practical Applications of the Bobcat 322
The compact size, maneuverability, and versatility of the Bobcat 322 make it suitable for various applications across different industries. Here’s a look at some of the most common uses for this mini excavator:
a) Construction and Demolition
In construction, the Bobcat 322 is ideal for tasks that require precision and access to confined spaces, such as trenching for utilities, laying foundations, and landscaping. Its ability to fit into small areas and operate on softer ground without causing excessive damage makes it particularly valuable for residential construction and renovations.
b) Landscaping and Gardening
Landscapers frequently use the Bobcat 322 to excavate garden beds, dig trenches for irrigation, and clear small tree stumps. Its compact size and light weight allow it to move across finished lawns with minimal damage. The machine’s low ground pressure and rubber tracks also make it suitable for delicate tasks without impacting the surrounding landscape.
c) Agriculture and Farming
On farms, the Bobcat 322 is used for tasks like digging irrigation ditches, setting up fencing, and performing light excavation. The ability to operate multiple attachments makes it versatile enough for tasks such as auguring holes for posts, moving soil, and clearing small obstructions.
d) Utility Work
Utility companies and contractors often rely on the Bobcat 322 for digging and laying pipes, conduits, and cables. Its compact footprint and retractable undercarriage allow it to access urban environments, alleys, and narrow utility corridors that larger excavators can’t reach. Additionally, it can work around existing infrastructure with minimal disruption.
Benefits of the Bobcat 322 Mini Excavator
The Bobcat 322 is popular among contractors, landscapers, and other professionals due to its balance of power, maneuverability, and versatility. Here are some of the top benefits:
1. Compact and Portable
With its lightweight design and retractable undercarriage, the Bobcat 322 is easy to transport, even on smaller trailers. Its compact size enables it to access restricted workspaces and fit through narrow entrances, making it ideal for urban and residential projects.
2. Low Operational Costs
Compared to larger excavators, the Bobcat 322 is fuel-efficient, and its compact engine requires less fuel, keeping operational costs manageable. Additionally, maintenance costs tend to be lower, as the 322’s components are simpler and more accessible.
3. Versatile Attachments
The auxiliary hydraulics system allows the Bobcat 322 to be equipped with various attachments, such as hydraulic breakers, augers, and grapples. This versatility makes it a multi-functional tool that can adapt to various project requirements, increasing its utility and value for operators.
4. Ease of Use
With straightforward controls and excellent visibility from the operator’s station, the Bobcat 322 is user-friendly and easy to maneuver, even for novice operators. The mini excavator’s intuitive control layout allows for precision digging, which is critical in tasks requiring delicate handling.
Final Thoughts on the Bobcat 322
The Bobcat 322 mini excavator is a reliable, compact machine with specifications designed for versatility and power in small packages. Its unique balance of compact size, powerful hydraulics, and flexibility makes it a valuable asset in construction, landscaping, agriculture, and utility work. While the model is no longer in production, it remains a popular choice on the used equipment market due to its dependability and adaptability. For anyone needing an efficient and maneuverable excavator, the Bobcat 322 is a proven performer that delivers excellent results across a wide range of applications.
