Head to head
Caterpillar D6N vs Liebherr L556 XPower
The Caterpillar D6N is a medium crawler dozer. The Liebherr L556 XPower is a large wheel loader with xpower power-split driveline.
Last reviewed 13 September 2026
Specifications side by side
| Caterpillar D6N | Liebherr L556 XPower | |
|---|---|---|
| Operating weight | 16757kg (36,943lb) | 19,600 - 21,600 kg |
| Engine power | 124kW (166hp) at 1800rpm | - |
| Blade capacity | 3.90m3 (LGP VPAT) to 4.30m3 (XL SU) | - |
| Engine | Cat C7.1 ACERT | - |
| Tipping load | - | 9,300 - 13,750 kg |
| Bucket capacity | - | 2.80 - 10.00 m3 |
| Rated output ISO 14396 / ECE-R.120 | - | 183 kW / 249 HP |
Sources: Caterpillar D6N, Liebherr L556 XPower. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the D6N if...
A mid-size dozer used for earthmoving, site clearance and haul road maintenance. The VPAT blade option lets one machine angle, tilt and pitch for grading as well as straight pushing.
Listed by
- B & T Plant Hire - Gravesend
- B & T Plant Hire Ltd - Morden
Buy or hire the L556 XPower if...
A large wheel loader for quarry and bulk material handling work. Liebherr's XPower driveline splits power between hydrostatic and mechanical drive to cut fuel use on repetitive load-and-carry cycles.
Listed by
- ChapmanPlant - Bristol, Iron Acton
Common questions
What is the difference between the Caterpillar D6N and the Liebherr L556 XPower?
The Caterpillar D6N is a medium crawler dozer; the Liebherr L556 XPower is a large wheel loader with XPower power-split driveline.
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