Railtrac B42V


Railtrac B42V

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Railtrac B42V is a welding tractor system of components that can be configured to create the optimal solution for your mechanized welding application. To minimize problems associated with harsh environments, most mechanical parts are constructed in aluminum or stainless steel. Railtrac B42V is designed for horizontal and vertical up/down when applicable.

The system can be easily connected to most ESAB wire feeders with no major modification. Remote adapters have to be mounted in feeders Aristo© Feed 3004/4804 and Warrior™ Feed 304. Railtrac B42V features different torch holders for torches and applications.



  • 42V AC powered from power source or battery driven with standard Makita®18 V system
  • Possible to program a specific welding length with auto return to start position
  • Stepper motors both for drive and weaving function with extremely high precision. Wide speed range available in a single unit
  • Remote is programmable for weave patterns and travel speed and is capable of controlling voltage and wire feed speed in up to 5 standard programs
  • Unit can be programmed and run directly from the controls on the Railtrac machine if the remote control is lost, damaged or not preferred


  • Pipeline
  • Ship and Offshore Yards
  • Ship/Barge Building
  • Tank and Vessel Fabrication
  • Structural Steel Fabrication
  • Windtower
  • Heavy Fabrication
  • Repair and Maintenance

Specifications and Dimensions

Max Load (imp) 22 lb
Max Load (met) 10 kg
Conditional Qualification w/Battery (optional)
Max Load (imp) 11 lb
Max Load (met) 5 kg

Power Specifications

Standards CE; DIN40050

Capacities and Temperatures

Temperature, Vacuum Attachment (met) 90 degC
Temperature, Vacuum Attachment (imp) 194 degF
Temperature, Machine and Magnets (met) 70 degC
Temperature, Machine and Magnets (imp) 158 degF

Measurements and Dimensions

Weight (met) 8 kg
Weight (imp) 17.6 lb
Slide Height Adjustment (met) ± 45 mm
Slide Height Adjustment (imp) ± 1.8 in.
Dimensions (LxWxH) (met) 210 x 360 x 270 mm
Dimensions (LxWxH) (imp) 8.3 x 14.2 x 10.6 in.

Power Requirements

Enclosure IP44
Connection Voltage 24 - 70 VDC
Connection Voltage 20 - 50 VAC
Conditional Qualification Battery (optional)
Max Power Output 50 W

Welding Speeds

Travel Speed (imp) 72 in./min
Travel Speed (met) 30 mm/sec
Conditional Qualification w/battery
Travel Speed (imp) 60 in./min
Travel Speed (met) 25 mm/sec

Interested in this product? Contact us.

Contact us online

Call our Product Information & Support Line anytime: 1-800-ESAB-123 (1-800-372-2123)

ESAB Welding & Cutting Products
2800 Airport Road
Denton, TX 76207
Customer Care: 1-800-426-1888

Welding Consumables
801 Wilson Avenue
Hanover, PA 17331

Colfax Corporation
420 National Business Parkway
5th Floor
Annapolis Junction, MD 20701

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Part Numbers and Accessories

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Part Numbers : Railtrac B42V
Railtrac B42V Package 0398146016 FIND A DISTRIBUTOR
Accessories : Railtrac B42V
Battery 18V, 5Ah Li-ion, Makita®* 0457468074 FIND A DISTRIBUTOR
Connection cable universal (only w. 12-pin) 0457360886 FIND A DISTRIBUTOR
Control Cable 5 m (16.4 ft.) 0457360880 FIND A DISTRIBUTOR
Flexible Alu Rail, 5 m 0398146119 FIND A DISTRIBUTOR
Flexible alu-rail, 2.5 m (8 ft.) 0398146115 FIND A DISTRIBUTOR
Flexible alu-rail, 2.5 m (8 ft.), 8 magnets 0398146112 FIND A DISTRIBUTOR
Flexible alu-rail, 2.5 m (8 ft.), vacuum attachments 0398146113 FIND A DISTRIBUTOR
Floating Head for Torch 0398145211 FIND A DISTRIBUTOR
Magnetic attachment 90°, at least 8/2.5 m (8/8 ft.) 0398146100 FIND A DISTRIBUTOR
Quick-extension bracket for flexible rail 0398146120 FIND A DISTRIBUTOR
Remote Adapter kit 0465451881 FIND A DISTRIBUTOR
Remote adapter kit 0459681880 FIND A DISTRIBUTOR
Screw attachment for stiffened rail 0398146114 FIND A DISTRIBUTOR
Stiffener Bar, 2.5 m (8 ft.) 0398146116 FIND A DISTRIBUTOR
Tilt Bracket Railtrac B42V 0398145202 FIND A DISTRIBUTOR
Torch holder for PSF 0398145101 FIND A DISTRIBUTOR
Torch Holder Universal Ø15-30mm 0398145106 FIND A DISTRIBUTOR
Turning Bracket Railtrac B42V 0398145203 FIND A DISTRIBUTOR
Vacuum attachment 200°, at least 4/2.5 m (4/8 ft.) 0398146105 FIND A DISTRIBUTOR
Vacuum attachment 90°, at least 4/2.5 m (4/8 ft.) 0398146104 FIND A DISTRIBUTOR

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