Head to head
Keestrack Frontier K6 vs Thwaites 3 Tonne Front Tip
The Keestrack Frontier K6 is a tracked mobile screener. The Thwaites 3 Tonne Front Tip is a 3 tonne front tip site dumper.
Last reviewed 13 September 2026
Specifications side by side
| Keestrack Frontier K6 | Thwaites 3 Tonne Front Tip | |
|---|---|---|
| Engine | 79 kW/88 kW | Yanmar 3TNV88 |
| Capacity | up to 600 t | - |
| Weight | 29,5 t / 32,5 sT | - |
| Screen box | 4500 x1800 mm / 15' x 6' (l x w) | - |
| Feed hopper in HB450 | 8,5 m3 / 10 yard3 | - |
| Payload | - | 3000 kg |
| Heaped capacity | - | 1680 litres |
| Engine power | - | 24.8kW (33.2 bhp) @ 2800rpm |
Sources: Keestrack Frontier K6, Thwaites 3 Tonne Front Tip. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the Frontier K6 if...
A tracked mobile screener used by quarries and recycling yards to grade crushed rock, topsoil or aggregate into different size fractions on site.
Full Frontier K6 specifications →Buy or hire the 3 Tonne Front Tip if...
A mid-size front tip dumper for groundworks, drainage and general muck shifting on UK sites where a 3 tonne payload is enough. Sits between the 1 tonne hi-tip and the 6 tonne dumpers in the Thwaites range.
Full 3 Tonne Front Tip specifications →Common questions
What is the difference between the Keestrack Frontier K6 and the Thwaites 3 Tonne Front Tip?
The Keestrack Frontier K6 is a tracked mobile screener; the Thwaites 3 Tonne Front Tip is a 3 tonne front tip site dumper.
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