J K United Truck Repair

J K United Truck Repair Family run Tractor trailer repair in Williamstown, NJ. Competitive pricing! Monthly trailer parking available.

07/15/2025

What is Progressive Shifting?
Progressive shifting is a practice that helps reduce equipment wear, cuts down on noise and saves fuel. Practiced by drivers, this technique for changing gears can reduce fuel consumption when traveling hundreds of miles a day.

Experienced drivers are comfortable with progressive shifting as they smoothly move through lower gears with less noise and effort. Remember, the RPM that is best for shifting depends on the load on the engine - where maximum RPM works under maximum load, low loads will require much less RPM.

Because lower gear ratios can multiply engine torque eight times or more, minimal throttle should be used as too much can result in harsh acceleration and create a lot of strain. When going through the lowest gears, touch the throttle lightly and use minimum RPM.

Shifts between 1,200 to 1,400 RPM work best on flat roads in the lowest gear, while shifts between 1,400 to 1,600 RPM work best at higher speeds. On steeper grades, acceleration at low speeds may mean an RPM up to 1,800 for a clean shift.

Experts - like a senior truck engine applications specialist at Caterpillar - recommend shifting as early as possible in the RPM rise – 1,000 to 1,200 in the lower gears and progressively taking the RPM a little higher for each upshift. Fuel is saved because early upshifting helps to reduce the frictional horsepower loss that goes with high RPM.

Remember - keep the revs low for better fuel economy. It's not just quieter, but will allow for a smoother ride, too.

Brake Safety week is coming in August. Come in and get your brakes checked - appointments available.
06/20/2024

Brake Safety week is coming in August. Come in and get your brakes checked - appointments available.

05/13/2024

May 16th through the 18th there will be DOT Inspections. Be aware! Checking load locks, brakes, deleted trucks.

05/13/2024

Summer is right around the corner! Time to stop in and check your A/C unit!

03/15/2024
03/15/2024

The annual CVSA Roadcheck sends a surge of safety awareness throughout the carrier industry. For those prepared carriers, the Roadcheck presents a great opportunity to self-evaluate.

For carriers caught unprepared, as many as 19% end up sidelined.

To keep your rig safe and en route, here are the 2024 CVSA International Roadcheck details.

Details of CVSA Roadcheck 2024
The 2024 CVSA International Roadcheck will be held May 14 – 16. 37-step inspections, as per the North American Standard Level I Inspection requirements, will be conducted at weigh stations and mobile patrols.

For 2024, the Roadcheck will focus on tractor protection systems and alcohol and controlled substance possession.
If out-service violations are discovered during the inspection, a carrier can only operate the inspected vehicle once the violations are resolved.

The Standard Level I Inspection is a holistic evaluation that inspects every corner of your rig. The inspection includes an assessment of:
Brake systems
Tires
Cargo securement
Coupling devices
Driveline components
Fuel and exhaust systems
Steering mechanisms
Suspension
…and more.
Here’s what you can do to be prepared.

Preparation for CVSA Roadcheck 2024
Tractor Protection Systems

Carriers should be especially prepared to have their tractor protection system in tip-top shape with Roadcheck emphasis.
The CVSA has confirmed that the testing process will require carriers to release all brakes, remove gladhands, and confirm that air leakage will stop at 20 psi.
Carriers should thoroughly inspect their tractor protection valve, trailer supply value, and anti-bleed back valve in anticipation of the Roadcheck.

12/29/2023

How to Prevent Freight Theft

Education is the greatest prevention of tragedy. Above all, take the time to become familiar with the many varieties of freight crime. Try this freight crime guide to get started.

Once familiar with the different kinds of freight crime, try these best practices to keep your fleet safe:

1. Be Cautious When Sharing Your Info

Carriers should exercise great caution when sharing information related to their cargo, schedule, or route.

Always ensure that the broker you are working with is licensed by the Federal Motor Carrier Safety Administration to gauge their legitimacy. Look for common tell-tale signs of fraud, including illegitimate email, address, or telephone information.

Additionally, be cautious when posting on social media. Thieves will sometimes comb social media to determine a trucker’s location.

2. Be Mindful of Where You Park Your Truck

For a full guide on determining a safe place to stop for the night, review our How To Spot a Dangerous Truck Stop guide.

3. Make a Habit of Inspecting Your Equipment

When making the typical stops associated with a route, take time to inspect your truck and trailer for signs of tampering, including:

Damage to locks or other security devices
Signs of strain on trailer or truck doors
Scratches or markings near door handles
If any of these signs are identified, exercise extreme caution. Do not delay any repairs necessary to locks or other security devices.

Freight theft is becoming increasingly common and sophisticated in today’s industry. Despite theft’s sharp rise, carriers can prevent crime by guarding their information, parking in safe lots, and maintaining a watchful eye on their equipment.

Stay safe, carriers.

11/15/2023

JK United is seeking energetic Skilled Diesel Mechanics with a desire in finding long-term employment opportunities with our company. We have 5 positions available. Must have current Driver's license, CDL is a Plus but not necessarily. Will train. Teamwork is the heart of our operation. If you feel you would be a great fit for our company. Please call or feel free to stop by. We are located right off Rt 42 in Williamstown, NJ 1826 North Blackhorse Pike.

10/23/2023

Trucker Ghost Stories Vol. II
Between small cities and isolated towns are miles and miles of open road. Traversing remote forests, lonely mountains, and backcountry fields, the road carves through these liminal spaces for only a few passengers. Of those who pioneer these forgotten paths, nearly all are truckers.

When the time is right and the road intrudes on those areas intended to be left alone, the remarkable, the unexplainable, and the awful can occur.

For the truckers that have forged these roads, they tell incredible stories.

Here’s one of our favorites.

This story is retold from its initial source. Minor details are added for embellishment.

The Curse of I-40
I was accustomed to taking late-night runs through desolate places, but the forest of I-40 was unique. As I traversed the windy and narrow road, I struggled with a feeling of uneasiness that seemed to grow in intensity. Having blazed darker roads in denser forests, I typically savored the silence of the night and found it calming. Tonight, I felt dread.

In the back of my mind, I tried to resist the rumors from my trucking buddies concerning this stretch of I-40. I have never been a superstitious person, “not even a little ‘stitious”, I would joke, but now the tall tales of the curse of I-40 seemed as real to me as the wheel between my hands.
As I drove on, I tried to rationalize my feelings of fear. It was night, the forest was dark, and the trees made the road feel claustrophobic. But there was something else. There was something outside the typical scary-movie tropes that was bothering me.

Then I realized: the forest was silent.

Of course, forests aren’t loud, but there seemed to be a bizarre absence of any kind of sound: no wind, no leaves crinkling, no animals, just… quiet. And the quiet was getting louder.

Overwhelmed by my own emotions, I was relieved when a wooden outline of a truck stop sign came into view. I made an easy decision to stop for a moment, stretch my legs, and try and shake my paranoia.

I pulled over and cut the ignition. Without the familiar hum of the engine, the silence of the forest was deafening. I hurriedly reached for the driver-side door when something in my rearview mirror caught my attention.

Another truck, rusted and antique-looking, was parked behind me. I could make out a figure on the driver's side, but the smudges on the mirror obscured the image.

I replayed the last minute in my mind. Was there a truck there before? I couldn’t remember seeing one at first. Rationalizations came in a flurry. Terms like confirmation bias and paranoia all seemed likely culprits for my nerves… but how could I miss a whole truck?

Calling on my most sophisticated logic, I reasoned that a truck at a truck stop wasn’t out of the ordinary. But, just to calm my anxieties and put my paranoia to rest, I decided that I’d use a stretch break to investigate the vehicle behind me.

After pretending to stretch in front of my rig for a few minutes to avoid appearing suspicious, I began making my way toward the back of my truck. The silence was eerie as the crunching of dirt under my boots echoed through the trees. As I rounded the corner and turned my body in the direction of the adjacent truck, my heart stopped.

The truck, still parked and idle, now appeared much closer than it had only a few moments ago. The license plate and windows were all smeared with something wet and frothing. The driver, still featureless even in closer proximity, seemed to be fixated directly on me. After several moments of processing exactly what I was looking at, the door of the truck burst open.

Adrenaline propelled me backward in a frenzy. I scrambled in the dirt before turning my head and sprinting back toward my truck. Behind me, I heard the inhuman pace of heavy footsteps gaining on me.

I ripped my door open, slammed it shut and shoved my key in the ignition. With all my weight pressed on the pedal, my wheels spun in vain as they sought to catch traction with the gravel. A bang sounded through my cabin as someone collided with the passenger door.

Finally, my truck began to accelerate. As I picked up speed, I avoided looking at my rearview for fear of what I’d see. Thick fog, appearing almost instantaneously, surrounded my truck.
After several minutes of navigating the road with bated breath, I began to sneak glances into my rearview mirror. Every now and then, just for a brief instant, I could make out the outline of that old, rotting truck. Waves of adrenaline continued in succession, distorting time and fogging my thoughts.

All at once, just as if I was waking from a dream, the fog vanished. I found myself on the outskirts of a well-lit truck stop. Patrons entered and exited the building, devoid of alarm and carrying on through their regular routines.

I sat in a stupor. For nearly an hour, I didn’t dare move. Reality felt fragile. Had I just imagined what happened? It all felt so real.

After an hour of wrestling with my own thoughts, I decided I’d try and eat to bring some normalcy to my life. I entered the truck stop, scanned a few snacks, and returned to my rig with weak legs.

When I reached my truck, I dropped my snacks and froze.
There, on the passenger side door, was an enormous dent, with something wet still dripping down the door.
Happy Halloween, Truckers!

Address

1824 North Black Horse Pike, Monroe Township
Gloucester County, NJ
08094

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm
Saturday 9am - 2pm

Telephone

+18568856031

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