Cat 320 vs Cat 325
The Cat 325 is the heavier machine, at 26.4 t against 21.3 t, and the Cat 325 has more power (128.5 kW against 117 kW).
The Cat 320 is ahead on: digs deeper, reaches further, bigger fuel tank, lower to transport. The Cat 325 is ahead on: more power, dumps higher, turns tighter.
Below, every figure both makers publish sits side by side, with the Cat 320 and the Cat 325 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 | Cat 325 |
|---|---|---|
| Operating weight | 21,300 kg | 26,400 kg |
| Net powerHigher is better | 117 kW | 128.5 kW+10% |
| Max digging depthHigher is better | 6.72 m | 6.7 m |
| Max reach at ground levelHigher is better | 9.86 m+1% | 9.78 m |
| Max dumping heightHigher is better | 6.49 m | 7.9 m+22% |
| Fuel tankHigher is better | 345 L+10% | 313 L |
| Tail swing radiusLower is better | 2.83 m | 1.81 m+36% |
| Overall height (to top of cab)Lower is better | 2.96 m+4% | 3.08 m |
| Overall length | 9.53 m | 8.89 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) · Cat 325 (07H) Hydraulic Excavator Technical Specifications AEXQ4237-00 (10-2025), Tier 3 build, linked from cat.com en_AU 325 page
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat 320 vs Cat 325: questions
Which is bigger, the Cat 320 or Cat 325?
By operating weight the Cat 325 is the biggest at 26.4 t, then the Cat 320 at 21.3 t.
Which has more power, the Cat 320 or Cat 325?
The Cat 325: Cat 320 117 kW (157 hp), Cat 325 128.5 kW (172 hp) (net power), a 10% difference.
Which digs deeper, the Cat 320 or Cat 325?
The Cat 320: Cat 320 6.72 m, Cat 325 6.7 m (max digging depth), a 0% difference.
Which reaches further, the Cat 320 or Cat 325?
The Cat 320: Cat 320 9.86 m, Cat 325 9.78 m (max reach at ground level), a 1% difference.
Which has the bigger fuel tank, the Cat 320 or Cat 325?
The Cat 320: Cat 320 345 L, Cat 325 313 L (fuel tank), a 10% difference.
Which turns tighter, the Cat 320 or Cat 325?
The Cat 325: Cat 320 2.83 m, Cat 325 1.81 m (tail swing radius), a 36% 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.
