Highway & Heavy Parts surveyed over 500 repair shops nationwide and found that of all the repair shops surveyed, bottom line profitability is the biggest concern for 2018.
Continue reading Time is Money. Why Waste it Searching for Parts?Category: Blog – All HHP Blog Articles
Caterpillar Diesel Engine Serial Numbers
If you’re shopping for parts for your Caterpillar diesel engine, then you’re going to want to make sure that you’re getting the right ones the first time. To help us get you exactly what you need, you need to have your engine serial number handy.
Continue reading Caterpillar Diesel Engine Serial NumbersCummins Diesel Engine Serial Numbers
Cummins ISB engine serial numbers are commonly found on the rocker cover. And in some cases, they are printed on the side of the gear housing. If you’re looking for Cummins ISM engine serial numbers, you can find them on the rocker housing located on the fuel pump side.
Continue reading Cummins Diesel Engine Serial NumbersAdjusting Diesel Engine Injection Timing
We often get all kinds of calls asking for technical advice, from both owner-operators trying to troubleshoot a problem with their truck to repair shop mechanics who are looking for a second opinion. With all these calls, we notice when multiple questions pop up, meaning it must be a pretty common question. One of the questions that we’ve gotten a few times is: What is injection timing, and how do I adjust it? If you’ve found yourself asking that same question, this article has the basics that should hopefully give you the information you’re looking for.
Continue reading Adjusting Diesel Engine Injection TimingOur Shipping Information
Shipping facts seem to be pretty simple. After all, if you choose 2 Day Shipping your order should get to you in 2 days, right? Unfortunately, a lot of people make similar assumptions when that logic may not always be the case. Rather than assume, its best to know the general shipping policies and norms. Consider this article a cheat sheet for your next pop quiz on shipping information. Please note that these facts apply whether orders are placed on our website or over the phone.
Continue reading Our Shipping InformationExcessive Oil Consumption Explained
Is your diesel engine consuming oil at a higher rate than normal? This could be due to normal engine wear, but it also might indicate an issue. Read on to find out more about what could be happening in your diesel engine!
Continue reading Excessive Oil Consumption ExplainedHow to Choose an Engine Rebuild Kit
An engine rebuild is a large and expensive job, and choosing the right kit can seem a daunting task. There are a lot of kits for sale, and they may all seem similar but vary greatly in price. Knowing the difference between the various engine rebuild kits will help you shop with confidence, knowing you’re getting the right parts for the job at hand.
Continue reading How to Choose an Engine Rebuild KitDiesel Engine Break-In Explained
We often get calls about the break-in procedure of a newly-rebuilt engine. Proper break-in is critical and sometimes overlooked. Even though you may have used one of our outstanding overhaul kits and your mechanic did a great job installing the parts, if the engine is not broken-in correctly, the rings may not seat, leading to oil consumption and power loss.
Continue reading Diesel Engine Break-In ExplainedLiner & Piston Update for ISX Engines
Cummins has been producing the ISX engine since it replaced the N14 in 2001. In those years, many improvements have been made to the designs of both the pistons and the cylinder liners. Below are summaries of the updates to the designs of those two parts.
Continue reading Liner & Piston Update for ISX EnginesCummins ISX Engine Rebuild Kits from HHP
Here at HHP, we’re pretty proud of the rebuild kits we offer. So, we’re going to use this article to brag a little bit about the rebuild kits we have to fit various Cummins ISX engines.
Continue reading Cummins ISX Engine Rebuild Kits from HHPCaterpillar 3406E Engine Specs, Problems, and Reliability
The Caterpillar 3406E is one of the most recognized diesel engines in the heavy-duty trucking industry.
Known for its durability, rebuildability, and strong performance, it remains a popular engine even years after production ended.
However, like any diesel platform, long-term reliability depends on proper maintenance, correct diagnostics, and quality components.
Continue reading Caterpillar 3406E Engine Specs, Problems, and ReliabilityDetroit Diesel Series 60 Engine Spotlight
Detroit Diesel was once associated with General Motors, during which time it was called the General Motors Diesel Division. For several years, GM had cornered the diesel engine market. Detroit Diesel developed its engines in the industrial, marine, and railroad markets.
Continue reading Detroit Diesel Series 60 Engine Spotlight





