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BTI Scalers perform safe, precision scaling of tunnel roofs, drift walls and ribs by matching the output of the hydraulic breaker to scaling conditions. Our unique telescoping and knuckle combination positioner incorporates high rigidity and torsional strength to absorb accidental shock while scaling.
Features & Benefits:
- High speed / high mobility underground rockbreaking
- +/-45° vehicle articulation for tight turning radius.
- Separate torque converter / transmission package provides low profile engine shroud height for improved operator visibility.
- Mid-ship operator compartment provides good visibility for both tramming and breaking functions.
- Four heavy duty tube-in-tube self-leveling stabilizers provide quick set up times and stable operation.
- Purpose-built heavy duty, large cross-section boom provides excellent dexterity and strength when raking and breaking oversize material.
- Patented Vibratory Pick provides fast, efficient scaling of rock surfaces.
VPS Series Scalers Overview:

| Operating Weight: |
VPS16: 45,160 lb (20,527 kg) VPS25: 46,500 lb (21,136 kg) |
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| Tramming Height: |
8’-6” (2.6 m) |
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| Outside Turning Radius: |
VPS16: 25’-1” (7.6 m) VPS25: 27’-8” (8.4 m) |
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| Overall Tramming Length: |
VPS16: 39’-11” (12.17 m) VPS25: 42’-6” (12.95 m) |
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| Carrier Articulation: |
+/- 45o |
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| Boom Swing: |
+/- 45° |
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| Overall Width: |
9’-0” (2.7 m) |
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| Inside Turning Radius: |
11’-8” (3.6 m) |
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| Maximum Horizontal Reach: |
VPS16: 29’-10” (9.1 m) VPS25: 34’-3” (10.4 m) |
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Note: Weights & dimensions are nominal and vary depending on final engine, operator’s enclosure, & option configuration.
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