Cat 320 vs SANY SY335
The SANY SY335 is the heavier machine, at 33.6 t against 21.3 t.
The Cat 320 is ahead on: turns tighter, narrower to transport, lower to transport. The SANY SY335 is ahead on: digs deeper, dumps higher, bigger bucket or body, more digging or pushing force.
Below, every figure both makers publish sits side by side, with the Cat 320 and the SANY SY335 drawn to the same scale from their dimension drawings.
At a glance
Bold is the machine ahead on each figure, with its lead.
| Figure | Cat 320 | SANY SY335 |
|---|---|---|
| Operating weight | 21,300 kg | 33,600 kg |
| Max digging depthHigher is better | 6.72 m | 6.815 m+1% |
| Max dumping heightHigher is better | 6.49 m | 7.359 m+13% |
| Bucket capacityHigher is better | 1.19 m³ | 1.7 m³+43% |
| Bucket digging forceHigher is better | 150 kN | 153 kN+2% |
| Tail swing radiusLower is better | 2.83 m+15% | 3.315 m |
| Overall widthLower is better | 2.98 m+12% | 3.396 m |
| Overall height (to top of cab)Lower is better | 2.96 m+15% | 3.47 m |
| Overall length | 9.53 m | 10.667 m |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Performance
Weight
Engine
Hydraulics
Service capacities
Service intervals
Sources: Cat 320 Hydraulic Excavator (Tier 3) brochure AEXQ2332-09 (2024, build 07G) · SANY SY335LC flyer (Stage V, version 2026-02-11), SANY Group global site
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat 320 vs SANY SY335: questions
Which is bigger, the Cat 320 or SANY SY335?
By operating weight the SANY SY335 is the biggest at 33.6 t, then the Cat 320 at 21.3 t.
Which digs deeper, the Cat 320 or SANY SY335?
The SANY SY335: Cat 320 6.72 m, SANY SY335 6.815 m (max digging depth), a 1% difference.
Which has the bigger bucket, the Cat 320 or SANY SY335?
The SANY SY335: Cat 320 1.19 m³, SANY SY335 1.7 m³ (bucket capacity), a 43% difference.
Which turns tighter, the Cat 320 or SANY SY335?
The Cat 320: Cat 320 2.83 m, SANY SY335 3.315 m (tail swing radius), a 15% difference.
Which is narrower to transport, the Cat 320 or SANY SY335?
The Cat 320: Cat 320 2.98 m, SANY SY335 3.396 m (overall width), a 12% difference.
Where do these figures come from?
Each model's own published spec sheet or brochure, linked under the table. Builds differ by market and year, so confirm the figures for a particular machine with its dealer.
Can I rent or buy these machines in the UAE?
Each model's page lists the ones for hire and for sale on EquipmentsFinder now, with typical prices in AED.
