The SWX315 has a tractive effort rating of 27,000 lbs. (120 kN). It includes independently-actioned railwheels that are pneumatically supported rubber drive tires for greater traction and reduced rail movement shock loading. Safely attach glad-hand hoses with ease since the SWX315 offers industry-leading space between the railcar and the mobile railcar mover:
The SWX420 has a tractive effort rating of 30,000 lbs. (133 kN). It includes a 180-degree rotating console with color multifunction display as well as dual four-way air suspension operator seats for either side on-rail operator control. Pull-out sander boxes with wide-mouth lids allow easy loading while air-activated sanders allow for smooth dispensing.