Model against model
Hitachi ZX145W-6 vs Hitachi ZX220W-7
Two models people put on the same shortlist. Every figure below is sourced, and where one side has a specification the other does not publish, the row is left out rather than filled with a guess.
Last reviewed 13 September 2026
| Hitachi ZX145W-6 | Hitachi ZX220W-7 | |
|---|---|---|
| Operating weight | 15,000 - 17,200kg | 20,100 - 24,900kg |
| Dig depth | 5,520 - 5,770mm | 5,810 - 6,300mm |
| Engine power | 105kW (ISO14396) | 128kW |
Only specifications published for both models appear here. Full Hitachi ZX145W-6 figures and full Hitachi ZX220W-7 figures.
Choose the ZX145W-6 if...
Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs.
Full specifications →Choose the ZX220W-7 if...
Targets larger utility, sewer and civils contractors who need crawler-class digging power on a road-going wheeled chassis. It sits at the top of Hitachi's current wheeled-excavator line, giving extra reach and depth over the 170W and 145W.
Full specifications →Common questions
What is the difference between the Hitachi ZX145W-6 and the Hitachi ZX220W-7?
Hitachi ZX145W-6: Suits municipal and utility contractors who need a mobile, road-going digger for drainage and reinstatement work spread across several sites in a day. The wheeled undercarriage trades some stability for speed between jobs. Hitachi ZX220W-7: Targets larger utility, sewer and civils contractors who need crawler-class digging power on a road-going wheeled chassis. It sits at the top of Hitachi's current wheeled-excavator line, giving extra reach and depth over the 170W and 145W.
Are these figures reliable?
Every figure on this page was read off a manufacturer or established dealer page and is linked to its source. Anything we could not verify is left out rather than estimated. Specifications change by model year and configuration, so confirm with the supplier before relying on them.
GetBrent is an independent directory and is not a dealer for, nor affiliated with, either manufacturer. Model and brand names are the trademarks of their owners.