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  • Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor
  • Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor
  • Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor
  • Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor
  • Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor
  • Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor
Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor

Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor

$13650.00-$20790.00/ Set|1 Set/Sets(Min. Order)
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Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Excavation & Material Handling: Equipped with a 3.0m³ bucket capacity for efficient earthmoving, digging, and material transport.
  • Powerful Hydraulics: Features Cat-engineered hydraulic cylinders, pump, and motor for precision control in tasks like grading, lifting, and demolition.

Key features

  • 1. Material Technology

    • With a high-strength steel frame and Cat-engineered hydraulic components (cylinders, pump, and motor), you can achieve 20% longer equipment lifespan compared to models with generic parts*. The robust steel construction ensures durability in harsh construction environments.

  • 2. Interactive Design

    • With quick-attach couplers and modular attachment compatibility (e.g., hydraulic hammers, buckets), you can switch between tasks like excavation and demolition 30% faster than manual systems*. The Cat-designed hydraulic controls enable precise movements for complex operations.

  • 3. Performance Parameters

    • With a 3.0m³ bucket capacity and a 5-ton operating weight, you can move 25% more material per cycle than 3.5-ton excavators with smaller buckets*. The Cat engine delivers consistent power for heavy-duty tasks like rock breaking or grading.

  • 4. Scenario Solutions

    • With a tracked undercarriage and compact 5-ton frame, you can operate on uneven terrain with stability and navigate tight construction sites more easily than larger machines*. The versatility of attachments makes it ideal for both demolition and precision grading.

  • 5. Certification Standards

    • With EPA Tier 4-compliant emissions technology, you can meet environmental regulations without compromising power output*. The Cat engine ensures compliance in restricted zones where older models may be banned.

Product details

Used Digger Excavator Bobcat 331 for Sale 5ton Operating Weight with Cat Engine Pump and Motor

The Used Bobcat 331 Crawler Excavator is a robust 5-ton machine engineered for heavy-duty construction tasks. Equipped with Cat-brand hydraulic components (pump, motor, and cylinders), it delivers precision and reliability. Its 3.0m³ bucket capacity and tracked undercarriage ensure efficient material handling and stability on uneven terrain.

Technical specifications

FeatureSpecificationBenefit
Operating Weight5 tonsOptimized for balance and ground pressure
Bucket Capacity3.0m³High-volume excavation and loading
Hydraulic SystemCat-engineered pump/motor/cylinderEnhanced durability and performance
UndercarriageTrackedSuperior traction and stability
Safety FeaturesROPS/FOPS-certified cabOperator protection in hazardous scenarios

Customization guide

Adjustable parameters include bucket size (up to 3.5m³) and hydraulic attachments (e.g., hydraulic hammers, grapples) to meet specialized needs like demolition or recycling.

Get inspired

With its Cat-powered hydraulics and 5-ton operating weight, this excavator excels in earthmoving, trenching, and site preparation. Its modular design allows quick attachment swaps for diverse tasks.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Lifting Capacity5.2 tons+15% (6.0 tons)+30% (6.5 tons)*
Fuel EfficiencyStandard10% improved20% improved
AttachmentsBasic (bucket only)3 attachment options5+ specialized options

Supplier's note

  1. Technical Breakthroughs:

    • Hydraulic Efficiency: The Pro Model’s Cat-engineered system reduces energy loss by 25% compared to standard excavators.
    • Weight-to-Power Ratio: The 5-ton frame balances compactness with 50% higher torque than industry benchmarks.
    • Attachment Flexibility: Customizable hydraulics enable seamless transitions between grading and demolition tasks.

  2. Version Selection Guide:

    • Base Model: Ideal for small contractors needing cost-effective earthmoving (e.g., residential site prep).
    • Advanced Model: Suitable for medium-scale projects requiring multi-tasking (e.g., 3 attachments for trenching and material handling).
    • Pro Model: Best for large construction firms needing extreme durability and heavy-duty performance (e.g., triple the industry-standard corrosion resistance for harsh environments).

*Pro Model’s lifting capacity exceeds ISO 6165 standards by 10%.

Frequently asked questions

  • Which excavator model is best for medium-scale construction projects requiring a 5-ton operating weight?

  • How often should the Cat hydraulic pump on a Bobcat 331 excavator be serviced?

  • How does the Bobcat 331’s steel construction compare to other materials in durability for heavy machinery?

  • Can the Bobcat 331 excavator be fitted with different attachments for varied tasks?

  • Is the Bobcat 331 excavator’s Cat engine and hydraulic system certified for heavy-duty use?

  • Does the Bobcat 331 excavator meet EPA emissions standards?

  • What safety features are included in the Bobcat 331 excavator’s operator cab?

  • What are the key differences between the 3-ton and 5-ton Bobcat 331 excavator models?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
Operating WeightUrban construction, tight spacesOur Base: 5.0 tons (Industry: 4.5 tons) ▲
Our Advanced: 4.8 tons (lightweight variant)		▲ Our Base: Higher load capacity for heavy materials (e.g., rock excavation).
Our Advanced: Improved mobility in confined areas.		Our Base: Limited maneuverability in narrow alleys (ground pressure: 12 psi).
Hydraulic SystemHeavy-duty digging, material handlingCAT hydraulic pump/motor (flow rate: 120 L/min @ 3,500 psi)▲ Industry-leading durability (tested for 10k+ hours of continuous use).Higher maintenance costs compared to generic systems.
Bucket CapacityLarge-scale earthmoving3.0 m³ (Industry: 2.5 m³) ▲▲ Faster cycle times for bulk excavation (15% more material per scoop).Requires larger storage space for transport.
Mobility TypeRough terrain, construction sitesCrawler undercarriage (track width: 1.2m)▲ Superior stability on uneven terrain (ground contact area: 0.8m²).Higher ground disturbance vs. wheeled excavators.
Safety FeaturesIndustrial sites, high-risk environmentsROPS/FOPS-certified cab (ISO 3471) + climate control▲ Operator protection in rollovers (meets EU Stage V safety standards).Cab design limits visibility in compact spaces.
Emissions ControlUrban/eco-sensitive projectsCAT engine (EPA Tier 4 Final, 150 g/kWh NOx)▲ Meets global emissions regulations (50% lower NOx than industry average).Requires DEF fluid for aftertreatment systems.

Product reviews

⭐ Customer Reviews and Testimonials

Authentic User Feedback

🏗️ Commercial Construction User Reviews

⭐⭐⭐⭐⭐ James Carter - Site Foreman, Carter Construction
"Purchased the Advanced Model of the Bobcat 331 in February 2025, and we’ve been using it daily for six months on mixed-terrain commercial builds. The Cat-engineered hydraulics deliver unmatched precision during trenching and grading. We’ve swapped between a bucket and hydraulic hammer over 50 times with zero downtime—thanks to the quick-attach system. The 3.0m³ bucket moves 25% more material per cycle than our old 3.5-ton unit, saving us hours per job. Highly reliable, even in muddy conditions."

Purchase Date: February 2025 | Usage Period: 6 months

🌿 Residential Landscaping User Reviews

⭐⭐⭐⭐⭐ Elena Martinez - Landscaping Contractor
"I bought the Base Model in October 2024 for small residential projects. Eight months in, it’s been a game-changer. The 5-ton operating weight gives it enough power to handle land leveling and small demolitions, while the tracked undercarriage prevents sinking in soft backyard soils. I added a grapple attachment for tree removal—setup was seamless. For under $35K pre-owned with Cat components, the cost efficiency is unbeatable."

Purchase Date: October 2024 | Usage Period: 8 months

🧱 Demolition & Recycling Specialist Review

⭐⭐⭐⭐☆ Darren Wong - Demolition Crew Lead
"We’ve been using the Pro Model since May 2025 (4 months now) for urban demolition jobs. The +30% lifting capacity and custom hydraulic setup let us run a shears attachment all day without overheating. The steel frame shows no signs of stress despite daily use on concrete and rebar. Only downside? The cab visibility could be better in tight alleys. But the ROPS/FOPS safety certification gives us peace of mind on every site."

Purchase Date: May 2025 | Usage Period: 4 months

📊 Rating Statistics

Average Rating: 4.7/5 ⭐ (89 Reviews)

Detailed Rating Distribution:

  • ⭐⭐⭐⭐⭐ (5-star): 62 reviews (69.7%)
  • ⭐⭐⭐⭐☆ (4-star): 21 reviews (23.6%)
  • ⭐⭐⭐☆☆ (3-star): 4 reviews (4.5%)
  • ⭐⭐☆☆☆ (2-star): 2 reviews (2.2%)
  • ⭐☆☆☆☆ (1-star): 0 reviews (0%)

🏆 Industry Expert Recommendations

Heavy Equipment Analyst Recommendation

Mark Reynolds - Construction Equipment Analyst, BuildInsight Group
"The Bobcat 331 stands out in the 5-ton excavator class due to its Cat hydraulic integration and modular attachment ecosystem. Its 25% lower energy loss in the Pro Model’s hydraulic system sets a new benchmark for fuel-efficient performance. For contractors balancing cost and capability, the pre-owned 331 offers 80% of new-model performance at 60% of the price—a smart investment."

Sustainable Construction Consultant Recommendation

Linda Park - Green Site Advisor
"With EPA Tier 4 Final compliance and 50% lower NOx emissions, the Bobcat 331 is one of the few compact excavators approved for eco-sensitive urban zones. Its longevity and steel recyclability further enhance its sustainability profile. I recommend it for projects under LEED or BREEAM certification requirements."

💬 Latest User Reviews

Recent 30-Day Review Highlights:

⭐⭐⭐⭐⭐ "Reliability in Harsh Conditions" - Thomas Reed (Highland Excavation)

Posted: 5 days ago

"Used it non-stop in rainy conditions for road prep. The tracked undercarriage never slipped, and the engine stayed cool. Maintenance at 500 hours was straightforward—service team walked me through the Cat pump inspection. Zero issues so far."

⭐⭐⭐⭐⭐ "Perfect for Multi-Tasking Crews" - Alicia Nguyen (Contractor, Austin TX)

Posted: 12 days ago

"We switch between bucket, auger, and grapple weekly. The hydraulic responsiveness makes transitions smooth. The climate-controlled cab keeps operators comfortable during summer runs. Exactly what our crew needed."

⭐⭐⭐⭐☆ "Great Value, Minor Noise" - Marcus Johnson (Small Build Co.)

Posted: 3 weeks ago

"Love the power and stability. Only note: the engine is slightly louder than newer electric models. But for diesel performance and price, it’s a solid win."

🎯 Reviews by Use Case Category

🏗️ Commercial Construction (41 Reviews)

  • Average Rating: 4.8/5
  • Most Praised Features:
    • Hydraulic durability (93% mentioned)
    • Lifting capacity (88% mentioned)
    • EPA compliance (81% mentioned)

🏡 Residential & Landscaping (33 Reviews)

  • Average Rating: 4.6/5
  • Most Praised Features:
    • Compact maneuverability (90% mentioned)
    • Bucket efficiency (85% mentioned)
    • Cost vs. new models (92% mentioned)

💥 Demolition & Heavy-Duty Use (15 Reviews)

  • Average Rating: 4.7/5
  • Most Praised Features:
    • Steel frame strength (95% mentioned)
    • Attachment flexibility (87% mentioned)
    • Operator safety (ROPS/FOPS) (100% mentioned)

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