Cat 345 vs Komatsu PC450-8
The Komatsu PC450-8 is the heavier machine, at 44.4 t against 42.2 t, and the Cat 345 has more power (258 kW against 257 kW).
The Cat 345 is ahead on: more power, reaches further, dumps higher, turns tighter, lower to transport. The Komatsu PC450-8 is ahead on: digs deeper, bigger bucket or body, bigger fuel tank, faster.
Below, every figure both makers publish sits side by side, with the Cat 345 and the Komatsu PC450-8 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 345 | Komatsu PC450-8 |
|---|---|---|
| Operating weight | 42,200 kg | 44,350 kg |
| Net powerHigher is better | 258 kW | 257 kW |
| Max digging depthHigher is better | 7.2 m | 7.345 m+2% |
| Max reach at ground levelHigher is better | 11.29 m+1% | 11.23 m |
| Max dumping heightHigher is better | 7.21 m+2% | 7.08 m |
| Bucket capacityHigher is better | 2.41 m³ | 3.5 m³+45% |
| Fuel tankHigher is better | 600 L | 650 L+8% |
| Travel speed (high)Higher is better | 5.2 km/h | 5.5 km/h+6% |
| Tail swing radiusLower is better | 3.53 m+3% | 3.645 m |
| Overall height (to top of cab)Lower is better | 3.23 m+1% | 3.25 m |
| Overall length | 11.62 m | 11.995 m |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Performance
Weight
Engine
Hydraulics
Undercarriage
Service capacities
Service intervals
Working range
Sources: Cat 345 Technical Specifications AEXQ4209-01 (12-2025, build 07H, Afr-ME / Aus-NZ / Eurasia / Indonesia / SE Asia) - all figures and the dimension drawing · Komatsu PC450-8 / PC450LC-8 / PC450LC-8 HD brochure, German edition (Machine.Market copy)
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat 345 vs Komatsu PC450-8: questions
Which is bigger, the Cat 345 or Komatsu PC450-8?
By operating weight the Komatsu PC450-8 is the biggest at 44.4 t, then the Cat 345 at 42.2 t.
Which has more power, the Cat 345 or Komatsu PC450-8?
The Cat 345: Cat 345 258 kW (346 hp), Komatsu PC450-8 257 kW (349 PS) (net power), a 0% difference.
Which digs deeper, the Cat 345 or Komatsu PC450-8?
The Komatsu PC450-8: Cat 345 7.2 m, Komatsu PC450-8 7.345 m (max digging depth), a 2% difference.
Which reaches further, the Cat 345 or Komatsu PC450-8?
The Cat 345: Cat 345 11.29 m, Komatsu PC450-8 11.23 m (max reach at ground level), a 1% difference.
Which has the bigger bucket, the Cat 345 or Komatsu PC450-8?
The Komatsu PC450-8: Cat 345 2.41 m³, Komatsu PC450-8 3.5 m³ (bucket capacity), a 45% difference.
Which has the bigger fuel tank, the Cat 345 or Komatsu PC450-8?
The Komatsu PC450-8: Cat 345 600 L, Komatsu PC450-8 650 L (fuel tank), a 8% difference.
Which turns tighter, the Cat 345 or Komatsu PC450-8?
The Cat 345: Cat 345 3.53 m, Komatsu PC450-8 3.645 m (tail swing radius), a 3% 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.
