Maintenance

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July 2014, TruckingInfo.com - WebXclusive

The Benefits of Low-Rolling-Resistance Tires Explained

By Jim Park

There's little doubt left that tires formulated for lower rolling resistance work as advertised, but it's still tough to give up at few thousandths of an inch of tread. After all, tire miles are important, too. How much of a difference does the reduction in rolling resistance make?

Tags: Goodyear, Fuel Economy, Bridgestone, Tires, Low Rolling Resistance Tires

July 2014, TruckingInfo.com - WebXclusive

5 Tips to Keep Your Battery Running in the Summer Heat

Photo: Jim Park

By By Phil Shumard and Maria Orlando-Krick, EnerSys

While warmer temperatures help to increase battery capacity, making it easier to turn over the engine, they also cause an increase in the rate at which the battery deteriorates. When the temperature is warmer, the current conducting grids corrode faster, reducing the life of your battery.

Tags: Batteries, EnerSys, Electrical System

July 2014, TruckingInfo.com - Cover Story

5 Keys to Best Parts-Buying Practices

By Denise Rondini

Trucks are on the road much longer than they used to be, and that translates into a greater demand and investment in parts, service, and ongoing maintenance. Which means parts purchasing decisions more important than ever.

Tags: Aftermarket Parts, Parts Inventory, Parts, Parts Management

July 2014, TruckingInfo.com - Feature

Oil Viscosity: How Low Can You Go?

Chevron conducted a live teardown of a Detroit DD15 engine, with more than 400,000 miles of service using Delo 400 XLE 10W-30, during the Mid-America Trucking Show. Photo: Evan Lockridge

By Deborah Lockridge

To meet expected greenhouse gas/fuel efficiency standards, oil companies and engine makers have been busy developing a new standard for engine oils that will provide a new type of lower-viscosity oil to improve engine efficiency.

Tags: OIl, Low-Viscosity Oil, Shell, Detroit Diesel, CITGO Lubricants, Chevron, Duron, API, Greenhouse Gas Emissions, Daimler, Fuel Economy

July 2014, TruckingInfo.com - WebXclusive

Has the U.S. SmartWay Program Helped Retreading?

By Jim Park

With regulations affecting how fleets fit their wheels, the retreading industry is still deciding whether or not the inclusion of verified low-rolling-resistance tires on the EPA's SmartWay list has helped the industry.

Tags: Retreads, Tires, EPA SmartWay, California Air Resources Board, California

July 2014, TruckingInfo.com - WebXclusive

Nitrogen Tire Inflation: Still in the Game?

Nitrogen inflation is used in many specialty applications, but its ROI in heavy trucks is less clear. Photo by Dmirty A. Mottl, via Creative Commons.

By Jim Park

We don't hear much these days about nitrogen tire inflation systems for heavy trucks. They are still out there, and some users are reporting good results from their installations. Still, the ROI is hard to quantify. Using nitrogen won't hurt your tires, but there might be better ways to spend your tire maintenance dollars.

Tags: Nitrogen Tire Inflation, Goodyear Tire & Rubber, Continental Tires, Tires, Tire Inflation

July 2014, TruckingInfo.com - Feature

Retread Your Way to Prosperity

By Jim Park

Despite success stories reported by successful fleets, some misconceptions about retreads still exist. These myths are often based on bad, and sometimes severely outdated, information.

Tags: Tires, Retreads, Ryder, Goodyear, TRIB, Bridgestone

July 2014, TruckingInfo.com - WebXclusive

How Superior Bulk Logistics Saved Hundreds of Thousands on Warranty Costs

Superior now can track which makes of truck and which specs cost the most in maintenance.

By Deborah Lockridge

When Superior Bulk Logistics implemented the warranty management function of its fleet maintenance software, it was expecting to save $500,000 in the first year. By May, it was already more than halfway there.

Tags: Warranty, Information Technology, In the Shop, Superior Carriers

June 2014, TruckingInfo.com - WebXclusive

Wheel-end Maintenance Saves Tires, Brakes

Proper bearing adjustment is precice work requiring specialised tools.

By Jim Park

A little extra diligence in the shop, or a bit of mechanical assistance, can help fleets avoid the irritants associated with loose wheel bearings, like irregular tire wear, premature brake relining and even wheel-offs.

Tags: Accuride, Alcoa, Timken, Dana Spicer, ConMet, SKF, Tires and Wheels, Wheel Ends

June 2014, TruckingInfo.com - WebXclusive

Turn to Technology to Keep Tires at Proper Inflation

By Jim Park

We know from experience that many fleets don't do a great job at tire inflation management. And we know there's little point in looking to drivers for help in the matter, so what's left to do? Enter technology.

Tags: Tires, Tire Inflation, Tire Pressure Monitoring Systems, Automatic Tire Inflation Systems

June 2014, TruckingInfo.com - WebXclusive

Inflate your Tires, Not Your Fuel Bill

The harm from overinflating tires, especially those that run a high percentage of unloaded miles, could outweigh the perceived gains in fuel efficiency.

By Jim Park

For as hard as fleets work for a 1% gain in fuel efficiency, it's hard to imagine giving up something like 2-4% in fuel efficiency to something as simple as maintaining correct inflation pressure, especially today when almost every inflation or monitoring system on the market offers payback in less than a year.

Tags: Fuel Economy, Tires, Tire Inflation

May 2014, TruckingInfo.com - WebXclusive

Don't Scrub Away Tire Savings

By Jim Park

You've heard the expression, 'It's like herding cats"? It's like that with tires when your alignment is out of whack. With all those wheels heading in different directions, it's unlikely you're getting the best fuel economy -- or tire life.

Tags: Fuel Economy, Tires, Alignment

May 2014, TruckingInfo.com - WebXclusive

ATA asks FMCSA to Eliminate Tire Underinflation Violation

Inspectors wrote more than 30,000 violations for under-inflated tires over a two-year period. Photo by Jim Park

By Jim Park

There is no official definition of underinflated against which to write citations, so the cops have historically been sort of making it up as they go along -- more than 30,000 tickets written on a regulation that has been proven impossible to determine.

Tags: ATA, TMC, CVSA, Tire Inflation, Tires

May 2014, TruckingInfo.com - Department

Trailer Maintenance Tips

It’s difficult to find a damaged rear impact guard because owners and drivers know they must be fixed before going on the road. Surface rust and dirt shouldn’t result in a citation, but deeper corrosion and bends might. Every trailer builder’s guard is different, so parts from individual manufacturers must be used in repairs.

By Tom Berg and Jim Park

It’s been 14 years since repairing any trailer’s “ICC bumper” was a simple matter of cutting off the damaged section and welding on a straight piece of angle iron. Most trailers built since Jan. 26, 1998, have been equipped with more complex required rear impact guards that are not only stronger but are designed to absorb shock from a collision.

Tags: Trailers, TMC, Fifth Wheels, Stoughton Trailers, ICC Bumpers, Rear Impact Guards

May 2014, TruckingInfo.com - Feature

How to Find a Service Provider

Select a service provider who has certified technicians and who has invested in the latest tools and diagnostic equipment.

By Denise Rondini

Finding and training technicians, purchasing tools and equipment, maintaining a parts inventory, dealing with OSHA and the EPA. These are just a few of the headaches fleets that maintain their own trucks face.

Tags: OSHA, EPA, Aftermarket, Dealers, Service Providers, Wensel’s Service Centers, JX Enterprises

May 2014, TruckingInfo.com - Department

Providing ‘Comforts of Home’ for Heartland’s Drivers

Key to Bruce Hudson’s change to Heartland Express’s tractors is a larger alternator and mounting batteries on frame rails so they’ll stay cool.

By Tom Berg

Bruce Hudson, director of corporate maintenance at Heartland Express, has a heart when it comes to the Iowa-based truckload and logistics company’s drivers, who must spend nights on the road. So he’s come up with changes to a tractor’s electrical system that will benefit them during off-duty hours.

Tags: Heartland Express, Once Around the Yard

May 2014, TruckingInfo.com - Department

Benchmarking Tire Programs: How Does Your Company Stack Up?

By Jim Park

Fleets spend tons of money on tires – so much, in fact, that bad tire management can become a competitive handicap. Find out how four well-run fleets run their tire programs to give their operations a competitive advantage.

Tags: Benchmarking, TMC, Tires, ATIS, Tires and Wheels, FedEx Ground, Crete Carrier, South Shore Carriers, Batesville Logistics

April 2014, TruckingInfo.com - Department

Tending Liftgate Batteries

By Tom Berg

Bruce Purkey knows where the electrons go. And, as president of Purkey’s Fleet Electric and his many activities in the Technology & Maintenance Council of the American Trucking Associations, he’s well aware that some of them flow to batteries that support the electric-over-hydraulic systems for liftgates on trucks and trailers. Usually there are two and as many as four Group 31 batteries, like the ones on a truck or tractor.

Tags: Trailers, TMC, Waltco, Maxon, Idle Reduction, Batteries, Con-Way, Purkey's Fleet Electric, Trail Charger, Sure Power Industries

May 2014, TruckingInfo.com - WebXclusive

Inside Meritor’s Parts Distribution Center

Meritor offers a wide variety of undercarriage and drivetrain components. The company says it is seeing an increase in private label requests from both OEMs and heavy-duty marketing groups.

By Denise Rondini

Ever wonder exactly how the parts you order get to you when you need them where you need them? Meritor recently invited Heavy Duty Trucking to its Florence, Ky., Parts Distribution Center.

Tags: Aftermarket Parts, Meritor

April 2014, TruckingInfo.com - Department

Ounces of Prevention Means Miles of Cure For Your Tires

Alignment and balancing can keep your tires and your truck running straight and true.

By Jim Park

Unlike their human counterparts, dead tires do tell tales. And aside from underinflation and road strikes, the tales most commonly told of tires robbing their owners of full value revolve around alignment. Scrubbing and scuffing and driving tires off in different directions, poor alignment kills tires faster than almost any other mechanical malady.

Tags: TMC, Tires, Alignment, Bee Line Company, Hunter Engineering, IMI, Tires and Wheels, E-Z Line, Counteract Balancing Beads

April 2014, TruckingInfo.com - Feature

A Systems Approach to Start/Charge System Maintenance

All that empty space between the winding is unused space. Square-wire windings make total use of the space and produce higher output.

By Jim Park

We have to stop thinking of our start/charge systems as simply a handful of separate components, and start viewing them as a system. From alternators to batteries and starters, cables and regulators, and even add-on components like low-voltage cut-off switches and DC/AV inverters, each can impact the component next to it.

Tags: Batteries, Electrical System, Purkey's Fleet Electric, Start/charge system, Delco Remy

April 2014, TruckingInfo.com - WebXclusive

Frequent Inspections Save Tires

Frequent and thorough yard checks will catch problems your drivers miss.

By Jim Park

It seems the best you can expect from many drivers is a quick visual check that the tire is where it should be. Whether or not it's capable of holding air is another matter.

Tags: Tire Costs, Tires, Tire Inflation

March 2014, TruckingInfo.com - Department

Improving Your Trailer Appearance

Fontaine Renew can completely refurbish a standard flatbed trailer in about two and a half days on average.

By Kate Harlow

Tips for vinyl signage and images, plus refurbishing trailers.

Tags: Trailers, East Manufacturing, Mac Trailer, Vinyl Graphics, Refurbished trailers, VSP, Schneider Graphics, Fontaine Renew, Conway Manufacturing

March 2014, TruckingInfo.com - Department

Once Around the Yard: Tracking Helps Close the Doors

A sensor-switch in the door header can be tricked with a magnet, telling a reefer’s electronic controls the doors are closed and allowing the unit to run. So K&J managers use tracking to determine what the rig’s really doing.

By Tom Berg

Common sense suggests that if a trailer’s doors are open, its refrigeration unit ought to be shut down. But many customers disagree, thinking the products will be better protected if cooled air continues to circulate as freight is being unloaded.

Tags: Trailers, Reefers, Carrier Transicold, Blue Tree Systems, Once Around the Yard, K&J Trucking

March 2014, TruckingInfo.com - Feature

LEDs Light the Way

Freightliner’s Cascadia is standard with custom-fit LED lamps.  Truck-Lite is also making LEDs for International’s ProStar and Volvo’s VNL.

By Tom Berg

If you were in trucking about 30 years ago, you might remember the switch from incandescent sealed-beam headlamps to halogens, which were so much better that some truck operators stopped using auxiliary fog and driving lights. A more recent step up was projector-beam lamps, whose optics better aim the lumens from halogen bulbs and even more effectively light the way for drivers.

Tags: Volvo, Navistar, Freightliner, Optronics, Trucklite, LEDs, J.W. Speaker

March 2014, TruckingInfo.com - Editorial

Commentary: How Much do Your Technicians Know About Wheel Integrity?

By Rolf Lockwood, Executive Contributing Editor

Executive Contributing Editor Rolf Lockwood discusses wheel integrity and the importance of technicians being well-versed in the rules of fastening wheels properly.

Tags: FMCSA, CSA, Wheels, Wheel-offs, Technicians

April 2014, TruckingInfo.com - WebXclusive

Do We Worry Too Much About Inflation Pressure?

Tires exposed to direct sunlight will hear up, causing pressure differentials between shaded tires, like inside duals. Illustration courtesy of Aperia Technologies

By Jim Park

Tire pressure monitoring systems have allowed us a peek into the secret life of tires, and revealed some astonishing details.

Tags: TPMS, TMC, ATIS, Tire Pressure, Tires

April 2014, TruckingInfo.com - WebXclusive

Bendix: Strong Friction, Protective Coating Help Combat Rust Jacking in Brakes

Choosing high-quality friction materials can help combat rust jacking, according to Bendix.

By Truckinginfo Staff

As winter winds down across North America, Bendix Spicer Foundation Brake reminds fleets and drivers readying for springtime brake maintenance to fight rust jacking on two fronts.

Tags: Corrosion, Brakes, Winter, Bendix Spicer Foundation Brake

March 2014, TruckingInfo.com - WebXclusive

Mobilizing Best Practices in Fleet Maintenance

By Greg Wilson, GE Capital Fleet Services

Maintaining a mobile maintenance program adds another layer of complexity into the traditional maintenance program mix. It's hard for many fleets to scale their internal processes to ensure remote assets are being repaired and maintained via the same best practices that are afforded to their on-site vehicles.

Tags: Maintenance, GE Capital Fleet Services

March 2014, TruckingInfo.com - Feature

Avoiding Common Maintenance Mistakes

Drivers need to be trained to distinguish when a fault code means the truck needs to be brought in immediately and when it is okay to wait for the next scheduled maintenance appointment.

By Denise Rondini

Fleets try to do a good job of keeping their trucks in top operating condition, and most recognize that maintenance plays an important role in achieving that goal. Still there are some things that get overlooked by even the most seasoned fleet manager.

Tags: Maintenance, CSA, Aftermarket, Ryder Systems, Decisiv, Preventative Maintenance, VMRS, W.W. Williams

March 2014, TruckingInfo.com - WebXclusive

Are Your Aftermarket Truck Parts the Real Deal?

Image source: psndealer.com<br />

By Jane Clark, NationaLease

Phony designer handbags…fake Rolex watches…buy these without realizing it and you’ll undoubtedly overpay for inferior products. Your wallet and your ego will both take a hit, but you’ll survive. But if you purchase fake aftermarket truck parts, the results can be disastrous.

Tags: Maintenance, ATA, Aftermarket Parts, TMC, Aftermarket, NationaLease

March 2014, TruckingInfo.com - WebXclusive

The Lowdown on the New Low-Viscosity Oils

Kinematic viscosity is what you might envision when thinking of viscosity &amp;ndash; gravitational flow. But the new oils will meet viscosity standards measured at high temperatures/high shear conditions.

By Deborah Lockridge

Exactly what is this "high-temp, high-shear" viscosity engine oil standard in the works for the next round of EPA emissions standards, and what are engine makers doing to make sure engines will still be well protected?

Tags: Fuel and Oil, Engines, Fuel Economy, GHG emissions, Engine Oil, TMC, API

March 2014, TruckingInfo.com - Department

Top 3 Ways to Preserve Tire Life (And Value)

Even the best tires money can buy will profit from a little help. Basic maintenance can prolong tire life, sometimes dramatically.

By Jim Park

Still waiting for the million-mile tire? Don’t hold your breath, but we’ll probably see such a tire in our lifetime. For now, you’ll have to settle for half a million miles.

Tags: Michelin, Tires, NFI, Retreads, Tires and Wheels, Air Products & Chemicals Inc., Tire Inflation, Load & Inflation Tables, Tire Pressure, Equal, Magnum, Centramatic, International Marketing Inc.

February 2014, TruckingInfo.com - Department

Making the Case for Low-Rolling-Resistance Tires

Premium all-position tires offer reduced rolling resistance through ribbed tread patterns and shallow grooves.

By Jim Park

How do you explain to the boss that the tires you want to buy are going to cost more up front but run fewer miles? You can explain they will save money on fuel, but then she's going to want numbers.

Tags: Fuel Economy, Tires

February 2014, TruckingInfo.com - Editorial

Commentary: Dealing With a Lemon

Rolf Lockwood

By Rolf Lockwood, Executive Contributing Editor

There’s no shortage of readers who want me to intervene on their behalf because they’ve been victimized in some way. At least that’s how they describe their plight. Maybe it’s a “lemon” of a truck, possibly a contract dispute, sometimes a fight with an idiotic bureaucracy. For reasons I don’t always understand, they think I’m a consumer watchdog of some sort. I’m not.

Tags: Maintenance, Dealers

February 2014, TruckingInfo.com - WebXclusive

The Latest Trends in Medium-Duty Truck Maintenance

New diesel emissions technologies, as well as upcoming greenhouse gas 2014 compliant engines, are anticipated to increase maintenance costs.

By Sean Lyden

A lot has happened since 2007 to impact medium-duty truck maintenance costs and protocols — for better and for worse.

Tags: Medium-Duty Trucks, SCR, GHG, DPF

February 2014, TruckingInfo.com - Feature

Stay Ahead of Trouble on EGR Engines

EGR valves live in a very hostile environment.

By Jim Park

While most of the early problems have been engineered out of the exhaust gas recirculation systems on today’s clean diesel engines, corroded coolers, stuck valves and other problems still plague owners of older equipment.

Tags: Emissions, Volvo, Cummins, Navistar, Detroit Diesel, SCR, EGR, EPA, Mack, DPF

February 2014, TruckingInfo.com - WebXclusive

Are Retreaded Tires Gaining Market Share over Replacements?

The gap between new replacement tires retread tires is narrowing despite price hikes for retreads.

By Jim Park

The last time retread tires outsold replacement truck tires was 2009. Before that, it was 2004. Tire market data from 2013, published by our sister publication, Modern Tire Dealer, shows replacement tires outsold retreads last year, but by a thinning margin. That leads us to the question, is a five-year cycle about to repeat itself?

February 2014, TruckingInfo.com - Editorial

Commentary: Getting Ready For Discs

By Denise Rondini

Have you been avoiding spec’ing your vehicles with air disc brakes because you think they are not seeing widespread use or because you have concerns about the cost of maintaining them? Aftermarket Editor Denise Rondini says you may be surprised.

Tags: In the Shop, Bendix Spicer Foundation Brake, Air Disc Brake, Drum brakes, Meritor, Aftermarket, Brakes

January 2014, TruckingInfo.com - Department

Keeping Your Wheels in the Game (updated)

Pictures are worth a thousand words, they say. What sort of a message do the wheels on this trailer convey about its owner?

By Jim Park

Back in 1984, the Occupational Safety and Health Administration issued a regulation requiring that truck wheels be stripped of rust and debris before mounting a tire. Easier said than done, the industry moaned at the time. Labor was less costly then, but wire brushes and elbow grease weren’t going to cut it.

Tags: OSHA, Goodyear, CSA, TMC, Tires, Wheels, IMI, Wheel refinishing, Maxion Wheel

January 2014, TruckingInfo.com - Feature

Taking the Costs Out

Electronic driver vehicle inspection tools such as Zonar&amp;rsquo;s EVIR help fleets control the maintenance part of its costs-per-mile.

By Jim Beach

Whether you operate one truck or 1,000, monitoring and managing costs is one of your most important tasks. Fleets have used technology to help them control costs for some time, but the latest third- or fourth-generation systems are capable of generating tremendous amounts of information fleets can put to use.

Tags: Information Technology, PeopleNet, Routing, NexTraq, Zonar, TMW Systems, Decisiv, Carrier Logistics, Cadec, McLeod Software, Paragon Software Systems, E-logs

January 2014, TruckingInfo.com - Feature

Truck Buying Options: New, Used, Buy or Lease

By Tom Berg

What’ll it be, buddy? New or used? Buy or lease? A salesperson could throw those questions at a prospective buyer and get a combination of answers, and none of them would be absolutely wrong. Because like everything in trucking, “it depends.”

Tags: Truck Country, Used Trucks, Penn Commercial Vehicle Solutions, EPA, Glider Kits, Kenworth, Peterbilt, Freightliner, Clarke Power Services, NationaLease, Ryder, Penske, IdeaLease, Paclease

January 2014, TruckingInfo.com - Feature

Reman’s Place in Your Parts Strategy

Used compressors are disassembled and inspected at the Bendix remanufacturing facility in Huntington, Ind.

By Denise Rondini

While remanufactured components have been around for quite some time, not every one is clear on exactly what they are. Yet they could be a valuable component of your parts strategy.

Tags: Eaton, Volvo Trucks, Bendix, Meritor, Remanufactured Parts, TMD Friction, CTDI

February 2014, TruckingInfo.com - WebXclusive

Tech Tip: Seasonal Preventive Maintenance for Fifth Wheels

By SAF-Holland

Routine periodic maintenance and lubrication are a necessary part of your fifth wheel’s service life.

Tags: Fifth Wheels, SAF-Holland, Preventive Maintenance

January 2014, TruckingInfo.com - WebXclusive

What's this Cold Weather Doing to Your Tire Pressure? (updated)

Big changes in ambient temperature will affect tire inflation pressure. (Photo by Jim Park)

By Jim Park

Here's one more reason to fear the dreaded Arctic Vortex: It plays havoc with tire pressure. If you're based in North Dakota and your trucks never travel too far south or west, there's hardly anything to worry about. San Diego-based fleets running up into the Midwest and the Dakotas or vice versa could have a problem.

Tags: TPMS, ATIS, Tires

January 2014, TruckingInfo.com - WebXclusive

Tech Tip: Pintle Hook Inspection Procedures

By SAF-Holland

SAF-Holland shares some tips for inspecting a rigid-mount, air cushioned pintle hook, primarily used for double and triple trailer configurations using converter dollies, as well as straight trucks such as dumps that pull rigid tongue equipment trailers.

Tags: Trailers, SAF-Holland, Pintle hook, Tech Tip

January 2014, TruckingInfo.com - WebXclusive

Maintaining Antifreeze/Coolant Will Help You Survive Extreme Winter Cold

Improper maintenance of a heavy duty coolant system can create cavitation pitting. If engine metals lack proper protection, the damage can affect the entire coolant system and engine operation.

By Colin Dilley, Prestone Technology Center

The wrath of winter’s impact on heavy-duty diesel engines across North America has been thoroughly tested so far this year. For many of those stranded during the winter cold snap, it was decisions made about what to do (or what not to do) with their antifreeze/coolant systems that may have sealed their fate.

Tags: Maintenance, Prestone, Coolant, Antifreeze, Cooling Systems

January 2014, TruckingInfo.com - WebXclusive

Mismatching Dual Tires: A Sure-Fire Way to Kill Two Tires at Once

Mismatched tire sizes means the shorter tire is chasing the taller tire down the road, and scrubbing away value with every mile.

By Jim Park

As tire costs continue to rise, it will become harder to ignore even seemly insignificant problems, like mounting two tires of different diameter in the same dual assembly. Lack of attention can strip thousands of miles from even scabby old trailer tires, and increase the risk of a mission-crippling blowout.

Tags: IPA, Dual-Dynamics, Link Manufacturing, MTIS, Tires, Hendrickson, Innovative Products of America

January 2014, TruckingInfo.com - Feature

Once Around the Yard: How Salvation Army Won its P&D Battles

Henry Filoteo began buying new trucks to eliminate breakdowns.

By Tom Berg

Over the Christmas holidays, the Salvation Army’s bell ringers raise money to help fund its disaster and human-relief efforts. But considerable dollars also come from its daily pick-ups of donated household and office goods that are delivered to warehouses for sorting and refurbishment. These items are then resold in its Family Stores. For this, SA employs a fleet of medium-duty trucks.

Tags: Kenworth, Once Around the Yard, Salvation Army

December 2013, TruckingInfo.com - Department

Two Things You Should Know About Trailer Lighting and Wiring

This LED lamp&amp;rsquo;s lens spreads light across 180 degrees of view, and its four diodes ensure sufficient candlepower throughout that wide angle to meet or exceed the federal regulations. The lamp is therefore &amp;ldquo;PC rated,&amp;rdquo; with the C meaning Combination clearance and sidemarker, and it can be mounted on the trailer&amp;rsquo;s side, though within 6 inches of its nose. (P, for Parking, is from an old industry classification that has been retained.)

By Tom Berg

Over the years, electrical failures have been the number one problem with trailers. Lighting problems have been reduced by the wider adoption of LED lighting. However, even LEDs, along with the rest of the electrical system, are subject to corrosion, which remains a major headache.

Tags: FMCSA, Trailers, LED Lighting, NHTSA

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