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Rail News Home MOW

February 2021

Rail News: MOW

Technology update: Market heats up for cold weather equipment

The FXP plow can extend to a maximum width of 17 feet with both extensions out.
Photo – Flink Co.


Compiled by Michael Popke

As part of a $100 million renovation project, the Broadmoor Manitou & Pikes Peak Cog Railway in Colorado ordered a snowblower capable of cutting through snow drifts up to 10 feet high and 20 feet wide.

It’s designed to plow through 4,200 tons of snow per hour and blow it up to 100 feet away. Produced in Switzerland by Zaugg AG Eggiwil, the snowblower is slated for delivery in spring.

The recent purchase underscores railroads’ need for effective snow-fighting equipment to combat harsh winter conditions. Heavy snow can block or hinder track, and emergency or required equipment maintenance can be difficult or nearly impossible to perform in the cold and snow.

Progressive Railroading contacted numerous equipment suppliers to learn how their new or upgraded machinery can help railroads overcome winter challenges. Following are emailed responses from 11 of them.

Flink Co.

Flink Co. aims to maintain and exceed customers’ plowing and material spreading expectations for snow and ice solutions now and and for years to come. One example of this mission is the design and manufacturing of the FXP plow.

With fingertip controls, the operator/driver can expand the 11-foot plow to 14 feet to the left or right, and to a maximum width of 17 feet with both extensions out. The out-front plow provides the operator/driver with better visibility and safety, and greater control.

The FXP’s weight ensures the plow scrapes to pavement for one pass, which is great for snow, ice and hard packs, Flink officials said. The 11-foot plow makes it easier and safer for a driver to get to and from a work site, and expand it to a desired width.

Frauscher Sensor Technology USA Inc.

The company’s axle-counting systems offer a maintenance cycle requirement of once every two years.
Frauscher Sensor Technology USA Inc.

Snow and ice buildup, low temperatures and excessive road salting can decrease train detection systems’ reliability, uptime and safety. Frauscher Sensor Technology’s axle-counting systems are designed to be unaffected by snow, ice, road salt or temperatures as low as -40 F, according to the company.

Inductive and contactless IP68-rated wheel sensors are water- and dust-proof, and proper functioning is not dependent on shunting of rail, thus providing a fail-safe operation even in deteriorated track conditions, Frauscher officials said. A highly reliable train detection system also is particularly crucial at grade crossings, where road salt can lead to activation malfunctions, delays or blocked crossings.

Frauscher’s axle-counting systems offer a maintenance cycle requirement of once every two years, so scheduling can be avoided during winter.

Geismar North America

The Storm Wizard is a hi-rail truck equipped with a cold-air blower mounted on the end of a boom to blow snow off switches and yard track.
Geismar North America

The Storm Wizard — a hi-rail truck offered by Geismar North America for fighting snow — is equipped with a cold-air blower mounted on the end of a boom that blows snow off switches and yard track at 300 mph.

The blower is radio-controlled, allowing an operator to carry out the task from the comfort of the cab. Available the past few years, the Storm Wizard offers the flexibility of traveling over the road or by rail.

One of the biggest complaints about dedicated snow-fighting equipment is that it sits dormant after winter, Geismar officials said. By contrast, the Storm Wizard can be converted to summer mode as a boom truck by moving the crane to the vehicle’s rear and removing the blower.

Geismar is exploring other applications for the Storm Wizard, such as an ability to blow leaves, pine needles and coal dust from track for ground-penetrating radar passes or to obtain unobstructed tie evaluations.

Knox Kershaw Inc.

Knox Kershaw’s KSF 940 Snow Fighter features specially designed wings, a plow and broom for moving heavy snow.
Knox Kershaw Inc.

Knox Kershaw Inc.’s KSF 940 Snow Fighter is designed to combat heavy snow and freezing temperatures. The machine features a 50,000-pound working weight, a large pressurized cab with a second operator’s seat and joystick controls, and specially designed wings, a plow and broom for moving heavy snow.

The cab’s window placement offers greater operator visibility and windows are tightly sealed to allow the high-performance pressurizer to meet silica dust requirements, Know Kershaw officials said. The power unit is equipped with a 260-horsepower Cummins engine, an Espar diesel-fired engine block heater and an Arctic Fox hydraulic tank heater.

Dual 8D batteries offer high-cranking power for cold-weather starts, and the unit can be used as a four-season plow for snow or ballast. High capacity, 36-inch snow wings can clear snow 16 feet from the track center, while the two-stage blower can discharge snow 30 feet to either side.

Last year, Knox Kershaw introduced CAN-based controls as an option for KSF 940, offering such features as automatic broom-speed controls and wing auto-store.

Midwest Industrial Supply Inc.

Midwest Industrial Supply Inc.’s anti-icing products are up to 10 times more efficient than other deicing products, and can outperform rail heaters to melt falling snow, and prevent both ice buildup and switch freezing, company officials said. The products are effective in temperatures down to -70 F and are environmentally friendly.

The company’s products are effective in temperatures as frigid as -70 F.
Midwest Industrial Supply Inc.

The Zero Gravity Third Rail anti-icing product employs a technology co-developed by NASA/Ames Research Center and Midwest Industrial Supply. Applied before a winter event, the Zero Gravity Third Rail is designed to prevent ice and snow from bonding to the third rail, keeping trains on schedule and maintaining passenger safety, Midwest Industrial Supply officials said. Zero Gravity is applied using the company’s Ice-Slicer Third Rail Spray System.

Meanwhile, Midwest Industrial Supply’s ice-free switch anti-icing agent can be applied to railroad switch points, plates and rail before a snowfall. It stays in place and activates when needed to prevent switches from freezing, company officials said. The agent’s high viscosity also stops runoff during application and helps keep it applied to vertical surfaces.


Pettibone’s Speed Swing 445F rail crane is now available with the CreepDrive™ system from Poclain Hydraulics. The optional feature enables the crane to accommodate high-flow hydraulic attachments and operate at a slower independent travel speed on or off the rails, Pettibone officials said.

The Speed Swing 445F rail crane is now available with Poclain Hydraulics' CreepDrive™ system.

The Poclain CreepDrive is a hydrostatic driveline motor that can be clutched. When the operator engages the CreepDrive, the Speed Swing’s mechanical transmission shifts into neutral.

A display interface is then used to raise and lower engine RPMs, providing the necessary hydraulic flow (up to 33 gallons per minute) to run high-flow attachments. At the same time, the operator can control the CreepDrive with an integrated rocker pedal, which moves the machine forward or backward.

High-flow attachments compatible with a CreepDrive-enabled Speed Swing include snow blowers and power brooms. The unit also is available with dozens of attachments that do not require CreepDrive, including an adjustable V-type snowplow, tote boom, track-cleaning bucket, load bucket, hydraulic tool circuit, magnet package, 20-foot extendable boom and fork frame, Pettibone officials said. Most attachments connect to the machine with a standard pin-on connection or ACS quick coupler.

Power Drives Inc.

A collage depicts the company’s PowerHouse, Diesel Dehydrator and Compressed Air Water Separator offerings.
Power Drives Inc.

Power Drives Inc. (PDI) offers three engineered systems designed to save money and improve equipment reliability in winter conditions: The PowerHouse™, Diesel Dehydrator and Compressed Air Water Separator.

The PowerHouse employs idle reduction technology, resulting in typical fuel-usage savings of more than 10,000 gallons per season, company officials said. 

The U.S. Environmental Protection Agency SmartWay-verified technology can heat and circulate water or coolant through a locomotive engine block and cooling system to maintain a temperature above 100 F even in the coldest temperatures, they said. 

PowerHouse is available in three compact models with remote-monitoring capabilities.

The company’s Diesel Dehydrator is an engineered system designed to remove water and filter particulate from diesel fuel. It can remove 99.5% of water from the fuel, and increase fuel injector lifespan and overall performance, PDI officials said.

Meanwhile, the company’s proprietary Compressed Air Water Separator is a drop-in solution that creates an effective system working in concert with standard locomotive air dryers to remove water from the system for proper locomotive function, they said.

Rails Co.

Rails Co. offers a complete line of snow-removal equipment, including five types of switch heaters, snow detectors and automatic control systems. The company also has introduced a wireless control and monitoring system, and all switch heaters are available for dispatcher control or automatic operation.

The five-horsepower Hot Air Blower Switch Heater features a powerful high-pressure blower.
Rails Co.

The five-horsepower Hot Air Blower (HAB) Switch Heater has been upgraded with a more powerful high-pressure blower that distributes high-velocity, high-volume hot air throughout the switch area via ducts and nozzles that keep the switch open and operable even in severe winter weather, company officials said.

With double the volume of hot air than previous blower models, the unit also is equipped with user-adjustable high/low BTU output to minimize fuel usage, as well as a variable timer-based high/low flame control that is adjustable to each application, they said.

The tubular Electric Switch Heater (ESH) is designed and built for efficiency, reliability and low-cost operation, regardless of whether switches and rails are covered in wet and heavy snow, light and fluffy flakes or ice. Standard heaters for switches up to 45 feet long are rated from 100 watts to 500 watts per foot.

Both HAB and ESH systems can be combined with Rails’ wireless 900-MHz radio control system and a secure VPN router to provide wireless control and monitoring of the heaters.

Railway Equipment Co.

Precision scheduled railroading continues to drive railroad operators to seek ways to improve on-time delivery. Protecting wayside and switching equipment from winter elements is part of that equation.

Shown: REC’s 953 model switch heater.
Railway Equipment Co.

For 40 years, Railway Equipment Co. (REC) has supplied winter maintenance equipment, including switch heaters. Some of the company’s most advanced switch heating systems feature a combined gas hot-air blower and Calrod heating system that operates off the same advanced controller to provide winter protection and manage gas consumption during major snow events.

For railroads in heavy snowfall regions, REC offers a full suite of fiberglass to cover switch components, including switch points, helper rods and side covers. Remote monitoring packages via Rail-Net also are available to evaluate uptime, troubleshoot and monitor fuel efficiency.

REC continues to invest in its snow-melting and monitoring equipment. Last year, the company improved its lap switch and swing nose frog design, and increased nozzle airflow and the durability of control modules and the AC drive. In addition, REC reduced the electric blower’s footprint and maintained its maximum heat for transit applications.

ThermOmegaTech Inc.

Convenient and reliable freeze protection for equipment is crucial in winter. For water-cooled diesel locomotives and passenger cars with onboard potable water-bearing systems, this means dependable and fast-acting freeze protection drain valves to prevent freeze-ups and extensive damage from burst tanks and piping, ThermOmegaTech Inc. officials said.

The GURU PC is a thermostatic freeze-protection valve for passenger cars.
ThermOmegaTech Inc.

The company offers thermostatic freeze-protection valves with its GURU® flagship line of products. The GURU Plug is tailored for water-cooled locomotives. Installed on a locomotive’s engine coolant water-storage tank, the valve’s internal actuator senses water temperatures. When the locomotive is turned off and water temperatures fall toward freezing, the valve is designed to pop open to drain the system before freezing can occur.

The GURU Plug requires no electrical or air connections to operate and continually monitors water temperature.

The GURU PC is a thermostatic freeze-protection valve for passenger cars. Installed at the lowest point in a passenger car’s potable water-bearing system to prevent freezing when the cabin heat is turned off, the valve is designed to monitor ambient temperatures. It will automatically open and drain the system if an air temperature drops to the valve’s set point, helping to prevent frozen tanks and pipes, ThermOmegaTech officials said.


At the request of freight customers, Thermon has developed a more powerful switch heater with improved snow detection, company officials said. 

Shown: The Hellfire 400 gas-fired switch heating system installed on the Ottawa Confederation Line.

The 5-horsepower, gas-fired Hellfire heater delivers airflow at high velocities and is designed for locations where high winds and heavy snowfall are common.

Meanwhile, the company’s ArcticSense snow detector — which was introduced in fall 2019 — now offers improved drifting snow detection. The unit can sense hard-to-detect drifting snow that slowly fills in a switch, Thermon officials said.

In addition to equipment for Class I applications, Thermon offers a comprehensive suite of thermal products designed for municipal transit lines and passenger stations. The company’s offerings also cover the heating products required for a station, including third-rail contact heating, electric hot-air blowers, platform heaters and overhead radiant heaters, Thermon officials said.

Michael Popke is a Madison, Wisconsin-based freelance writer. Email questions or comments to


Browse articles on Flink Co. Frauscher Sensor Technology USA Inc. Geismar North America Knox Kershaw Inc. Midwest Industrial Supply Pettibone Power Drives Inc. Rails Co. Railway Equipment Co. ThermOmegaTech Thermon maintenance of way

Contact Progressive Railroading editorial staff.