Head to head
Atlas Copco XATS 138 vs Keestrack Frontier K6
The Atlas Copco XATS 138 is a single-axle diesel portable air compressor with pace adjustable pressure. The Keestrack Frontier K6 is a tracked mobile screener.
Last reviewed 13 September 2026
Specifications side by side
| Atlas Copco XATS 138 | Keestrack Frontier K6 | |
|---|---|---|
| Engine | Kubota V2403-CR-T-E5B | 79 kW/88 kW |
| Working pressure | 7-10,3 bar g | - |
| Free air delivery | 7-5 m3/min; 237-189 cfm | - |
| 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 |
Sources: Atlas Copco XATS 138, Keestrack Frontier K6. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the XATS 138 if...
Mid-size towable compressor for breaker gangs, road and utility crews and general contractors who need one machine for several tools. Pressure can be set to suit the job.
Full XATS 138 specifications →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 →Common questions
What is the difference between the Atlas Copco XATS 138 and the Keestrack Frontier K6?
The Atlas Copco XATS 138 is a single-axle diesel portable air compressor with PACE adjustable pressure; the Keestrack Frontier K6 is a tracked mobile screener.
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