30/06/2026
🏗️ How Can You Calculate Excavator Bucket Capacity Step-by-Step! 🚜
Ever wonder if you’re getting the maximum efficiency out of your excavator? It all comes down to ONE crucial factor: Bucket Capacity.
Whether you're digging trenches, moving heavy rock, or grading slopes, knowing your exact bucket size helps you improve jobsite efficiency, avoid dangerous overloading, and lower fuel costs. 💰
But how do you calculate it accurately? Here is your quick step-by-step guide! 👇
🔍 1. Struck vs. Heaped Capacity: What's the Difference?
- Struck Capacity: Material filled perfectly level to the top edges. 📐
- Heaped Capacity: The total volume, including the extra material piled up high above the edge. 🏔️
📐 2. How to Measure & Calculate in 4 Simple Steps
1️⃣ Measure Internal Dimensions: Grab a tape measure and get the internal Width, Height, and Depth (always measure the inside, not the outer edges!).
2️⃣ Calculate Struck Capacity: Multiply $$Width \times Height \times Length \times 0.8$$ (the 0.8 accounts for the bucket’s curved shape).
3️⃣ Estimate Heaped Capacity: Add the volume of the heap based on your material type (sand, gravel, or soil usually have a heap factor of 1.0–1.2).
4️⃣ Adjust by Fill Factor: In real life, a bucket is rarely 100% full. Apply a 90–100% fill factor for a realistic estimation.
💡 Quick Example: A standard 20-ton excavator bucket (1.2m width × 1.0m height × 1.1m length) holds roughly 1.0 m³ per scoop!
📊 Matching the Right Bucket to Your Excavator
Remember: Bigger is NOT always better! Overloading your machine slows down cycle times and strains your hydraulics.
Check out the YUFAN Bucket Capacity Chart snippet below to find your perfect match:
- 🔹 YFT18H (Mini): 0.06 m³ | 14 KN Digging Force
- 🔹 YFT90H (Medium): 0.4 m³ | 58 KN Digging Force
- 🔹 YFT210H (Large): 1.0 m³ | 140 KN Digging Force
- 🔹 YFT600H (Heavy Duty): 3.0 m³ | 325 KN Digging Force
Whether you need a Standard Bucket for everyday soil, a Rock Bucket for tough quarries, or a Skeleton Bucket for sorting materials—choosing right means saving money.
🔗 Want the full math breakdown, more examples, and the complete YUFAN model chart?
👉 Click the link to read our ultimate guide: https://yufanmachinery.com/excavator-bucket-capacity-calculation/
💬 Drop a comment below: What model are you running on your jobsite right now? Let's talk tech! 👇