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The DymaxRail Ballast Blaster undercutter attachment features advanced patented design and durability. A Ballast Blaster Undercutter efficiently removes fouled ballast rock and mud by cutting and pulling the material out from beneath the railway tracks. This attachment adapts to Railway Excavators and Backhoe Loaders equipped with a tilt-rotator coupler system.
Our patented Ballast Blaster Undercutter features bolt on indexable wear plates with full carbide protection that surrounds all sides of the cutter bar and includes a 2 year warranty.
A DymaxRail Ballast Blaster cuts and removes ballast faster with it’s innovative chain design. The Dymax Carbide Tooth (DCT) features two-sided protection allowing operators to cut in both directions.
When its time to service it’s quick and easy with removable top adapter.
Model ID | Model Code | Description | Weight (lbs) |
For Backhoe Loader and 8-11Ton Excavators Standard Features: 4.1in ( 104mm) cut width • Patented Bar with replacable carbide wear plates • Mechanical Chain Adjuster |
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2284 | DX-UC-BBTR-6ftxADCT-BL-20 | Undercutter-Ballast Blaster Tiltrotator-6 feet cutting length x Size “A” chain with DymaxRail Carbide Teeth-Backhoe Loader-Class 20 | 1050 |
2285 | DX-UC-BBTR-6ftxADCT-HX-8T | Undercutter-Ballast Blaster Tiltrotator-6 feet cutting length x Size “A” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-8 Ton | 1050 |
2286 | DX-UC-BBTR-8ftxADCT-HX-11T | Undercutter-Ballast Blaster Tiltrotator-8 feet cutting length x Size “A” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-11 Ton | 1600 |
2283 | DX-UC-BBTR-8ftxADCT-HX-8T | Undercutter-Ballast Blaster Tiltrotator-8 feet cutting length x Size “A” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-8 Ton | 1550 |
For Excavators 13-18 Ton Excavators Standard Features: 6.1in ( 155mm) cut width • Patented Bar with replacable carbide wear plates • Auto chain adjuster |
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2288 | DX-UC-BBTR-10ftxBDCT-HX-14T | Undercutter-Ballast Blaster Tiltrotator-10 feet cutting length x Size “B” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-14 Ton | 3480 |
2287 | DX-UC-BBTR-10ftxBRCB-HX-14T | Undercutter-Ballast Blaster Tiltrotator-10 feet cutting length x Size “B” chain with Rotate Carbide Bits-Hydraulic Excavator-14 Ton | 3480 |
2290 | DX-UC-BBTR-10ftxCDCT-HX-14T | Undercutter-Ballast Blaster Tiltrotator-10 feet cutting length x Size “C” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-14 Ton | 3480 |
2289 | DX-UC-BBTR-10ftxCRCB-HX-14T | Undercutter-Ballast Blaster Tiltrotator-10 feet cutting length x Size “C” chain with Rotate Carbide Bits-Hydraulic Excavator-14 Ton | 3480 |
For Excavators 19-25 Ton Excavators: Standard Features: 6.1in ( 155mm) cut width • Patented Bar with replacable carbide wear plates • Auto chain adjuster |
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2293 | DX-UC-BBTR-12ftxBDCT-HX-18T | Undercutter-Ballast Blaster Tiltrotator-12 feet cutting length x Size “B” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-18 Ton | 3700 |
2294 | DX-UC-BBTR-12ftxBRCB-HX-18T | Undercutter-Ballast Blaster Tiltrotator-12 feet cutting length x Size “B” chain with Rotate Carbide Bits-Hydraulic Excavator-18 Ton | 3700 |
2290 | DX-UC-BBTR-12ftxCDCT-HX-18T | Undercutter-Ballast Blaster Tiltrotator-12 feet cutting length x Size “C” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-18 Ton | 3700 |
2292 | DX-UC-BBTR-12ftxCRCB-HX-18T | Undercutter-Ballast Blaster Tiltrotator-12 feet cutting length x Size “C” chain with Rotate Carbide Bits-Hydraulic Excavator-18 Ton | 3700 |
For Excavators 25-36 Ton Excavators: Standard Features: 6.1in ( 155mm) cut width • Patented Bar with replacable carbide wear plates • Auto chain adjuster |
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2296 | DX-UC-BBTR-15ftxCDCT-HX-25T | Undercutter-Ballast Blaster Tiltrotator-15 feet cutting length x Size “C” chain with DymaxRail Carbide Teeth-Hydraulic Excavator-25 Ton | 4400 |
2297 | DX-UC-BBTR-15ftxCRCB-HX-25T | Undercutter-Ballast Blaster Tiltrotator-15 feet cutting length x Size “C” chain with Rotate Carbide Bits-Hydraulic Excavator-25 Ton | 4400 |
Design and specifications are subject to change without notice: DCT = DymaxRail Carbide Teeth; RCB = Rotate Carbide Bits |
Hydraulic Requirements | Motor/Chain Drive |
Model ID # | Type: Two-way flow + drain |
2284, 2285, 2286, 2283 (6-8ft models) | 26-32 GPM / 4200 psi |
2288, 2287, 2290, 2289 (10ft models) | 36-40 GPM / 4500 psi |
2293, 2294, 2290, 2292 (12ft models) | 40-42 GPM / 4500 psi |
2296, 2297 (15ft models) | 45-50 GPM / 4500 psi |
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