Head to head
Keestrack Frontier K6 vs McCloskey International J40
The Keestrack Frontier K6 is a tracked mobile screener. The McCloskey International J40 is a tracked mobile jaw crusher.
Last reviewed 13 September 2026


Specifications side by side
| Keestrack Frontier K6 | McCloskey International J40 | |
|---|---|---|
| Weight | 29,5 t / 32,5 sT | 36,940 Kgs (81,440 lbs) |
| Capacity | up to 600 t | - |
| Screen box | 4500 x1800 mm / 15' x 6' (l x w) | - |
| Feed hopper in HB450 | 8,5 m3 / 10 yard3 | - |
| Engine | 79 kW/88 kW | - |
| Feed opening | - | 1016mm (40") x 610mm (24") |
| Transport width | - | 2.5m (8' - 2") |
| Main conveyor | - | 3.46m (11' 4.2") |
Sources: Keestrack Frontier K6, McCloskey International J40. 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 J40 if...
A tracked jaw crusher used for reducing quarried rock, concrete and demolition rubble to a usable aggregate size on site, rather than hauling waste off for processing elsewhere.
Listed by
- Hire a Crusher - London
Common questions
What is the difference between the Keestrack Frontier K6 and the McCloskey International J40?
The Keestrack Frontier K6 is a tracked mobile screener; the McCloskey International J40 is a tracked mobile jaw crusher.
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.
