Cat D11 vs Cat D8
The Cat D11 is the heavier machine, at 106.6 t against 39 t, and the Cat D11 has more power (634 kW against 271 kW).
The Cat D11 is ahead on: more power, digs deeper, bigger bucket or body, more hydraulic flow, bigger fuel tank, faster. The Cat D8 is ahead on: narrower to transport.
Below, every figure both makers publish sits side by side, with the Cat D11 and the Cat D8 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 D11 | Cat D8 |
|---|---|---|
| Operating weight | 106,614 kg | 39,000 kg |
| Net powerHigher is better | 634 kW+134% | 271 kW |
| Digging depthHigher is better | 0.66 m+15% | 0.576 m |
| Blade capacityHigher is better | 27.2 m³+164% | 10.3 m³ |
| Pump flowHigher is better | 670 L/min+159% | 259 L/min |
| Fuel tankHigher is better | 1,763 L+183% | 624 L |
| Travel speed, forward (max)Higher is better | 12.2 km/h+18% | 10.3 km/h |
| Width over tracksLower is better | 3.782 m | 2.79 m+26% |
All specifications
Every figure the makers publish. Search for one, or show only those that differ.
Dimensions
Weight
Performance
Engine
Transmission
Undercarriage
Hydraulics
Service capacities
Service intervals
Ripper
Sources: Cat D11/D11 XE Dozers Technical Specifications AEXQ4647-01 (09-2026), build 07B (Global) · Cat D8 Track-Type Tractor Technical Specifications AEXQ3722 (05-2024), build 22A (AME excl. Saudi Arabia, ANZ, China, S Am)
Drawn to scale
Side views measured off each maker's dimension drawing, front edges and ground lined up.
Cat D11 vs Cat D8: questions
Which is bigger, the Cat D11 or Cat D8?
By operating weight the Cat D11 is the biggest at 106.6 t, then the Cat D8 at 39 t.
Which has more power, the Cat D11 or Cat D8?
The Cat D11: Cat D11 634 kW (850 hp), Cat D8 271 kW (363 hp) (net power), a 134% difference.
Which digs deeper, the Cat D11 or Cat D8?
The Cat D11: Cat D11 0.66 m, Cat D8 0.576 m (digging depth), a 15% difference.
Which has the bigger bucket, the Cat D11 or Cat D8?
The Cat D11: Cat D11 27.2 m³, Cat D8 10.3 m³ (blade capacity), a 164% difference.
Which has the bigger fuel tank, the Cat D11 or Cat D8?
The Cat D11: Cat D11 1,763 L, Cat D8 624 L (fuel tank), a 183% difference.
Which is narrower to transport, the Cat D11 or Cat D8?
The Cat D8: Cat D11 3.782 m, Cat D8 2.79 m (width over tracks), a 26% 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.
