All three are excellent. Choose the CAT 320D for parts availability and resale, the Hitachi ZX200 for smooth hydraulics and fuel economy, and the Komatsu PC200 for durability in harsh conditions. Local dealer support should decide the tie.
The 20 ton crawler excavator is the most traded size in the used equipment market, and three models dominate it: the Caterpillar 320D, the Komatsu PC200 and the Hitachi ZX200. Buyers from Africa, the Middle East, Southeast Asia and South America ask us every week which one to choose. Here is our honest comparison based on the machines that pass through our yard.
Key specifications
| CAT 320D | Komatsu PC200-7/-8 | Hitachi ZX200-3G | |
|---|---|---|---|
| Operating weight | ≈ 21–22 t | ≈ 20 t | ≈ 20 t |
| Bucket | 0.9 – 1.19 m³ | 0.8 – 1.0 m³ | 0.8 – 0.91 m³ |
| Engine | CAT C6.4 | Komatsu SAA6D107 | Isuzu AI-4HK1 |
| Strength | Parts & resale | Durability | Smoothness & fuel |
Figures are typical ranges for the generations we trade; exact numbers vary with configuration.
CAT 320D: the safe choice
The 320D is the most recognised excavator in the world. Its biggest advantage is not the machine itself but the ecosystem: Caterpillar dealers in almost every country, a huge aftermarket for parts and mechanics who already know it. That also gives the 320D the strongest resale value. Variants include the 320D, 320DL (long carriage), 320D2 and 320D2GC. Watch the C6.4 engine’s fuel system and ask for a clean diagnostic scan.
Komatsu PC200: the tough one
Komatsu machines have a reputation for structural strength and engines that tolerate poor fuel. The PC200-7 and -8 are common in mining-support and quarry work. Parts are widely available, especially in Asia and Africa.
Hitachi ZX200: the operator’s favourite
Operators love the ZX200 for its smooth, precise multi-function hydraulics, and owners appreciate its fuel economy. The ZX200-3G and ZX200-5G are both strong choices. In regions with fewer Hitachi dealers, check local parts supply first.
How to choose
- Choose by local support. The best excavator is the one your local mechanics can fix quickly.
- Compare condition, not brand. A well-kept ZX200 beats a tired 320D, and vice versa.
- Consider total landed cost. Freight and import duty are similar for all three, so the purchase price difference is what matters.
See our current stock of CAT 320D and Hitachi ZX200 excavators, or ask us to source a PC200.
FAQ
Which 20 ton excavator has the best resale value?
The CAT 320D generally has the strongest resale value because of its global dealer network and parts availability.
Is the Hitachi ZX200 more fuel-efficient than the CAT 320D?
In our experience operators usually report lower fuel use on the ZX200 at similar workloads, but real consumption depends on the job, the operator and machine condition.
Our mechanics and export staff test and ship used machinery from Shanghai every week. This guide reflects what we see in our own yard.
