2021 Caterpillar 330 Excavator – 273 hp, 30 Ton Class Workhorse
Product Overview
The 2021 Caterpillar 330 Excavator is a top-tier 30-ton class crawler excavator powered by a Cat® C7.1 turbocharged diesel engine delivering approximately 273 hp (203.7 kW ISO)). Equipped with advanced Cat Connect technology including Cat Grade with 2D or optional Grade Assist, Cat Payload, and auto‑reversing fan, it delivers up to 45% higher operating efficiency than prior models while reducing fuel consumption and maintenance downtime. Its robust 1.76 m³ bucket, 7.24 m digging depth, and breakout force of ~179 kN make it ideal for demanding excavation tasks.
Key Features & Benefits 2021 Caterpillar 330 excavator
- Engine & Power: Cat C7.1 engine rated ~273 hp net per ISO 9249 standard; meets Tier 4 Final / Stage V emission regulations and supports biodiesel blends up to B20.
- Operating Weight: Approx. 31,400 kg (30.7 t) with heavy-duty boom, reach stick, 1.76 m³ bucket, triple-grouser tracks, and counterweight.
- Hydraulic System: High-flow system at ~560 L/min delivers smooth power, Smart Mode operation, and fast cycling with minimal energy waste.
- Digging Performance: Max digging depth ~7.24 m; bucket breakout ~179 kN; stick force ~126 kN ensures fast penetration and solid lift.
- Cutting-edge Cat Connect: Built-in Cat Grade with 2D, Grade Assist, Payload estimation, and optional 3D GNSS enable precise trenching, loading, and material measurement.
- Operator Comfort & Cab: Spacious ROPS cab with flat hood visibility, rear and side-view camera standard, ergonomic layout, and optional 360° camera system.
- Serviceability: Ground-level access to all daily maintenance points; no need to climb onto the machine for filter changes or fluid checks. Remote troubleshooting via Product Link reduces downtime.
Technical Specifications 2021 Caterpillar 330 excavator
- Net Power: 273 hp ISO 9249 / 277 hp DIN, C7.1 engine rated at 205 kW.
- Operating Weight: ~31,400 kg (68,125 lb) with heavy-duty attachment spec.
- Bucket Capacity: Heavy-duty bucket ~1.76 m³ (ISO heaped).
- Digging Depth: ~7.24 m (23’9”).
- Hydraulic Flow: 560 L/min main implement pump.
- Breakout Force: ~179 kN at bucket, ~126 kN at stick.
- Swing Torque & Speed: ~110 kN·m with 11.5 rpm swing.
- Fuel Tank Capacity: ~474 L; hydraulic tank ~310 L; DEF ~41 L
Optimal Use Cases 2021 Caterpillar 330 excavator
- Mass excavation, trenching and foundations
- Quarry loading and stockpile operations
- Site development in mining or infrastructure works
- Material handling and road/prep grading with attachments
User Insights & Reliability
Feedback from operators emphasizes the 330’s balance and stability. As one user stated:
> “I like how well balanced those 330s are… We had a couple at my old job with over 30k hours.”
The machine’s mechanical reliability and minimal electronic dependency (beyond Connect features) make it ideal for high-hour assignments.
Maintenance & Operational Notes
Daily maintenance is straightforward thanks to ground‑level access panels and remote diagnostics. Avoid deep load beyond rated breakout specs to minimize wear. Ensure cooling system and hydraulic oil cleanliness to maximize uptime. Remote software updates help reduce service interruptions.
- 2021 Caterpillar 330 excavator working on trench
- Caterpillar 330 cab interior with touchscreen display
- 330 excavator bucket lifting earth with heavy-duty boom
📞 Call to Action
Ready to elevate your productivity with this robust 275 hp excavator? Contact us today for pricing, finance, attachments, and delivery availability on the 2021 Caterpillar 330 Excavator.
