Head to head
Pramac GRW22Y/S5 vs Thwaites 6 Tonne Front Tip
The Pramac GRW22Y/S5 is a stage v rental generator set, 18.3 kva prime power. The Thwaites 6 Tonne Front Tip is a 6 tonne front tip site dumper.
Last reviewed 13 September 2026
Specifications side by side
| Pramac GRW22Y/S5 | Thwaites 6 Tonne Front Tip | |
|---|---|---|
| Engine | YANMAR | Deutz TCD 3.6 L4 |
| Emergency standby power ESP | 19.3 kVA | - |
| Prime power PRP | 18.3 kVA | - |
| Voltage | 400/230 (V) | - |
| Emission stage | Stage V | - |
| Payload | - | 6000 kg |
| Heaped capacity | - | 3400 litres |
| Engine power | - | 55.4 kW (74 hp) @ 2200rpm |
Sources: Pramac GRW22Y/S5, Thwaites 6 Tonne Front Tip. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the GRW22Y/S5 if...
Rental-series generator set for hire fleets, events, construction sites and city centre works needing temporary three-phase power.
Full GRW22Y/S5 specifications →Buy or hire the 6 Tonne Front Tip if...
A 6 tonne front tip dumper for bulk earthmoving, road and utility groundworks and quarry or aggregate haulage on larger UK sites. A cab is listed as an option.
Full 6 Tonne Front Tip specifications →Common questions
What is the difference between the Pramac GRW22Y/S5 and the Thwaites 6 Tonne Front Tip?
The Pramac GRW22Y/S5 is a stage V rental generator set, 18.3 kVA prime power; the Thwaites 6 Tonne Front Tip is a 6 tonne front tip site dumper.
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