Head to head
Niftylift HR17 4x4 vs Skyjack SJ45 AJ+
The Niftylift HR17 4x4 is a self-propelled 4x4 articulated boom lift with 17.2m working height. The Skyjack SJ45 AJ+ is a diesel articulated boom lift with 13.72 m platform height.
Last reviewed 6 October 2026
Specifications side by side
| Niftylift HR17 4x4 | Skyjack SJ45 AJ+ | |
|---|---|---|
| Working outreach | 9.4m | 6.93 m |
| Weight | 5,000kg | 5,407 kg |
| Working height | 17.2m | - |
| Turning radius | 3.7m (outside) | - |
| Platform height | - | 13.72 m |
| Platform capacity | - | 300 kg |
Sources: Niftylift HR17 4x4, Skyjack SJ45 AJ+. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the HR17 4x4 if...
A rough-terrain articulated boom lift for external building, maintenance and signage work where a 4x4 machine has to cross uneven ground. The maker offers diesel only or hybrid power, so it also suits sites that want lower emissions.
Full HR17 4x4 specifications →Buy or hire the SJ45 AJ+ if...
A rough-terrain articulated boom lift for external maintenance, cladding, signage and steelwork where a diesel machine with up-and-over reach is needed. It suits contractors working at mid height on uneven ground.
Full SJ45 AJ+ specifications →Common questions
What is the difference between the Niftylift HR17 4x4 and the Skyjack SJ45 AJ+?
The Niftylift HR17 4x4 is a self-propelled 4x4 articulated boom lift with 17.2m working height; the Skyjack SJ45 AJ+ is a diesel articulated boom lift with 13.72 m platform height.
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