Cat 730 vs Cat 740
The Cat 740 is the heavier machine, at 32.6 t against 23.3 t, and the Cat 740 has more power (324 kW against 274 kW).
The Cat 730 is ahead on: turns tighter, narrower to transport, lower to transport. The Cat 740 is ahead on: more power, more torque, dumps higher, bigger bucket or body, lifts or carries more, bigger fuel tank, faster.
Below, every figure both makers publish sits side by side, with the Cat 730 and the Cat 740 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 730 | Cat 740 |
|---|---|---|
| Operating weight | 23,300 kg | 32,560 kg |
| Gross powerHigher is better | 280 kW | 335 kW+20% |
| Max torqueHigher is better | 2,141 Nm | 2,320 Nm+8% |
| Dump height (body raised)Higher is better | 6.46 m | 6.685 m+3% |
| Body capacity (SAE 2:1 heaped)Higher is better | 17.6 m³ | 22.7 m³+29% |
| Payload (nominal)Higher is better | 28 t | 36.3 t+30% |
| Fuel tankHigher is better | 400 L | 550 L+38% |
| Top speedHigher is better | 55 km/h | 57.5 km/h+5% |
| SAE turning radiusLower is better | 7.47 m+3% | 7.698 m |
| Overall widthLower is better | 3.676 m+3% | 3.801 m |
| Overall height (cab)Lower is better | 3.498 m+7% | 3.757 m |
| Overall length | 10.445 m | 11.065 m |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Weight
Body
Engine
Transmission
Steering
Tyres
Service capacities
Service intervals
Sources: Cat 730 (05A) Articulated Truck Technical Specifications AEXQ3916 (12-2025), Afr-ME / Aus-NZ / Eurasia / Indonesia / Pacific Islands / S Am · Cat 740 GC Articulated Truck Technical Specifications AEXQ2606-03 (07-2025), Afr-ME / Aus-NZ / Eurasia / Indonesia / Pacific Islands / S Am - linked from Al-Bahar
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat 730 vs Cat 740: questions
Which is bigger, the Cat 730 or Cat 740?
By operating weight the Cat 740 is the biggest at 32.6 t, then the Cat 730 at 23.3 t.
Which has more power, the Cat 730 or Cat 740?
The Cat 740: Cat 730 280 kW (375 hp), Cat 740 335 kW (449 hp) (gross power), a 20% difference.
Which has the bigger bucket, the Cat 730 or Cat 740?
The Cat 740: Cat 730 17.6 m³, Cat 740 22.7 m³ (body capacity (sae 2:1 heaped)), a 29% difference.
Which lifts or carries more, the Cat 730 or Cat 740?
The Cat 740: Cat 730 28 t, Cat 740 36.3 t (payload (nominal)), a 30% difference.
Which has the bigger fuel tank, the Cat 730 or Cat 740?
The Cat 740: Cat 730 400 L, Cat 740 550 L (fuel tank), a 38% difference.
Which turns tighter, the Cat 730 or Cat 740?
The Cat 730: Cat 730 7.47 m, Cat 740 7.698 m (sae turning radius), a 3% difference.
Which is narrower to transport, the Cat 730 or Cat 740?
The Cat 730: Cat 730 3.676 m, Cat 740 3.801 m (overall width), 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.
