The 4BT Cummins engine is a popular choice in a wide range of heavy equipment, particularly in telehandlers like the Lull 644B. Known for its reliability and fuel efficiency, the 4BT Cummins provides the necessary power for lifting and moving heavy loads on construction sites. However, like any engine, the 4BT is not immune to issues, and one common complaint among operators is the engine's difficulty in starting, especially after it has been sitting idle for a period of time. One major contributor to this issue is often the fuel injection pump. In this article, we will explore the causes of hard starting in 4BT Cummins engines, particularly focusing on the injection pump, and offer tips for diagnosis and solutions.

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In the misty valleys and rugged coastlines of Vancouver Island, British Columbia, lie the remnants of a once-mighty industrial empire—McMillan & Bloedel (commonly abbreviated as M&B). These bone yards, scattered across the Alberni Valley and beyond, are not merely scrap heaps of rusting machinery. They are silent witnesses to a century of logging innovation, economic transformation, and the gritty labor that shaped Canada’s forestry frontier. This article delves into the elusive M&B bone yards, exploring their historical significance, technical artifacts, and the cultural memory they evoke.

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In recent years, online training for heavy equipment mechanics has evolved from a niche offering into a mainstream pathway for career development. Driven by labor shortages, rising equipment complexity, and the need for scalable training, digital platforms now provide structured, interactive, and certification-ready programs for aspiring and experienced technicians alike.

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When someone contemplates buying a used heavy-duty or commercial truck, they draw on plenty of cautionary tales, technical checklists, and real-world war stories. This article collects the practical know-how, red flags, diagnostics, and decision criteria that separate a sound purchase from a costly regret. You’ll also find illustrative anecdotes and broad industry context to guide your choice.

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Taking a photo of a part number might seem trivial—point, shoot, send. But in the world of heavy equipment maintenance, this seemingly simple task is often riddled with frustration. Part numbers are typically stamped, etched, cast, or printed on surfaces that are dirty, worn, oily, rusted, or awkwardly positioned. Lighting is poor, angles are tight, and the numbers themselves may be partially obscured or degraded.

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This article weaves together the technical details, operational insights, common concerns, and remedies surrounding a 2001 model Bobcat 873 skid steer loader. Drawing from shared user experiences, broader machine history, and known data, we’ll explore the machine’s background, its strengths and weaknesses, and how owners can diagnose or address recurring problems.

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Caterpillar Inc., founded in 1925, has long been a cornerstone of global heavy equipment manufacturing. Known for its rugged reliability and engineering innovation, Caterpillar’s D6 series bulldozers have been a staple in construction, agriculture, and military operations for over eight decades. The D6B, introduced in 1959, marked a significant upgrade from its predecessors—the 4R/5R and 8U/9U series—by offering improved hydraulics, a more powerful engine, and a refined undercarriage system.

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Australia’s forestry operations span vast and diverse terrains—from the eucalyptus-rich highlands of Tasmania to the dense pine plantations of Victoria and Queensland. Logging in this region is shaped by unique environmental conditions, strict regulatory frameworks, and a blend of traditional and mechanized practices. Despite the country’s relatively small forestry workforce compared to global giants like Canada or Russia, Australia remains a significant player in the timber export market, particularly in hardwood and plantation softwood.

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A trucking operator encountered a persistent problem with a 2006 Freightliner Columbia powered by a 14-liter Detroit Series 60 (engine code 6067HV6E). The engine exhibits heavy blowby, consumes roughly a gallon of engine oil daily, and even pressurizes the coolant surge tank. The operator had a full overhaul about five years ago—new seals, gaskets, pistons, injectors, turbo, valve work, head-refacing—yet the same symptoms have recurred. Unlike the truck’s 12.7 L siblings (also with EGR removed or disabled), this 14 L variant is the only one giving trouble.

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An excavator jib boom is a specialized attachment designed to enhance the lifting capabilities of an excavator, particularly in applications requiring extended reach or precision handling. This article will delve into what an excavator jib boom is, how it works, and the benefits and considerations associated with its use.

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The Vermeer V1150 trencher is a compact, walk-behind trenching machine designed for utility installations, landscaping, and light construction work. Vermeer Corporation, founded in 1948 in Pella, Iowa, has built a reputation for durable, operator-friendly equipment across trenching, drilling, and agricultural sectors. The V1150 model reflects Vermeer’s commitment to compact design without sacrificing mechanical strength or trenching depth.

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When operating heavy equipment, one of the critical components that can wear out over time is the rotor. These components are found in various machines, including crushers, grinders, and even some types of excavators, where they play an essential role in the equipment's overall performance. Rotor wear can lead to significant issues, including reduced efficiency, increased fuel consumption, and even costly repairs if not addressed promptly.

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When it comes to hauling heavy machinery, choosing the right trailer is just as important as selecting the right equipment for the job. For contractors and equipment owners who need to transport backhoes, excavators, or other similarly sized machines, having a suitable trailer can make all the difference in both efficiency and safety. One of the most popular categories of trailers for transporting these machines is the 10-12 ton backhoe trailer.

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In hydraulic systems, two key parameters determine the performance of attachments like post hole augers: flow rate and pressure. Flow rate, measured in gallons per minute (GPM) or liters per minute (L/min), dictates the rotational speed of the auger. Pressure, measured in pounds per square inch (PSI) or bar, determines the torque—the twisting force required to penetrate soil.

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In the ever-evolving world of heavy equipment, the search for a good deal is a constant pursuit for contractors, fleet owners, and operators. However, in recent years, many individuals and businesses have found it increasingly difficult to find affordable, high-quality equipment. The rising costs of new and used machinery, coupled with market fluctuations and supply chain issues, have made it seem like the days of finding a real bargain are behind us. But what has caused this shift, and what can be done to navigate this new landscape?

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Komatsu’s TO-30 specification refers to a specialized powertrain lubricant designed for use in final drives, swing drives, and other high-load gear systems in heavy equipment. Unlike standard engine oils or gear lubes, TO-30 oils are formulated to handle extreme pressure (EP), shear stress, and thermal cycling in planetary gear sets. These oils typically meet or exceed Caterpillar’s TO-4 specification, which was developed to replace the older TO-2 standard and improve clutch performance, gear protection, and oxidation resistance.

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In the world of heavy machinery, efficiency and versatility are crucial. The ability to quickly switch between different attachments without unnecessary downtime can make a significant difference in productivity and overall project timelines. ANT quick hitches are a prime example of such technology that is revolutionizing the way operators handle heavy equipment tasks. This article explores the concept, advantages, and practical applications of ANT quick hitches, and why they are becoming increasingly popular in the construction and earth-moving industries.

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The Case 580 Super M backhoe loader is part of a long-standing lineage of utility machines produced by Case Construction Equipment, a company founded in 1842. The 580 series has been a cornerstone of the compact construction market since the 1960s, with the Super M variant introduced in the early 2000s. It features a turbocharged diesel engine, improved hydraulics, and enhanced operator controls compared to its predecessors. With over 100,000 units sold globally, the 580 Super M remains a favorite among contractors, municipalities, and farmers for its versatility and reliability.

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When it comes to selecting the right skid steer loader for a job, operators are often faced with tough decisions between trusted brands like John Deere and Caterpillar. In this case, the decision to trade a John Deere 320D for a CAT 262C comes down to various factors that affect both performance and long-term utility. Understanding the strengths of each machine and how they fit specific work requirements is crucial for making an informed choice.

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The Hitachi ZX225USLC excavator is part of Hitachi’s mid-size lineup, designed for high performance in confined spaces. Hitachi Construction Machinery, a division of the Japanese conglomerate Hitachi Ltd., has been producing hydraulic excavators since the 1960s. The ZX225USLC model, introduced in the 2010s, reflects decades of refinement in hydraulic control, fuel efficiency, and operator ergonomics.

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The CAT 426 is a reliable backhoe loader, commonly used in various construction and agricultural tasks. One of the key maintenance aspects of any heavy equipment, including the CAT 426, is ensuring the fuel system is functioning properly. This includes cleaning the fuel tank when necessary, especially when issues like fuel contamination or sediment buildup occur. Proper fuel tank cleaning not only prolongs the life of the equipment but also ensures optimal performance.

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"Idiot lights" is a colloquial term used to describe the warning lights on a vehicle or piece of machinery that alert the operator to potential issues with the system. These lights are critical in identifying problems early on, helping operators avoid severe damage to the equipment. Testing and maintaining these warning lights is essential to ensure they function properly, as they serve as the first line of defense against costly repairs and downtime. This article will provide a comprehensive guide on how to test if these warning lights are working properly on your heavy equipment and the importance of doing so.

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The 1997 CAT 426C backhoe loader is a well-regarded piece of machinery, known for its durability, performance, and versatility in construction and excavation tasks. However, one aspect that often arises among operators is the control layout, especially for those who are more accustomed to John Deere (JD) style controls. Some operators may prefer JD-style controls due to their specific ergonomics and feel. This article aims to explore whether it's possible to convert the control system on the 1997 CAT 426C to a JD-style configuration, as well as the considerations and potential solutions for making this adjustment.

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Auctions have long been a favored method for acquiring heavy equipment, providing opportunities to purchase machinery at potentially lower prices than buying new or even from used dealerships. However, while auctions may offer attractive prices, they also come with certain risks that buyers must carefully consider. In this article, we delve into the common issues that arise when purchasing equipment at auction, explore some of the underlying causes, and offer practical advice on how to navigate these challenges.

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The John Deere 644J wheel loader is a powerful machine designed for heavy-duty construction and material handling tasks. Known for its durability and efficiency, it has become a popular choice among contractors and equipment owners. However, one key factor that can significantly impact its performance and resale value is the number of operating hours it accumulates over its lifetime. In this article, we’ll explore the importance of monitoring operating hours on the 644J, discuss what constitutes high hours for this model, and look at real-world cases of high-hour machines in the industry.

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Dozing with heavy machinery is an essential skill in the construction and mining industries. Among the various techniques, front-to-back dozing stands out for its strategic approach to moving and shaping large volumes of material. This article explores the principles, techniques, and benefits of front-to-back dozing, along with some key challenges and real-world applications.

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The CAT 320D is a widely used hydraulic excavator known for its versatility, power, and efficiency in various construction and earth-moving applications. One key feature of the CAT 320D is the quick attach system, which allows operators to quickly change attachments such as buckets, hammers, and grabs, without the need for additional tools. However, like any mechanical system, the quick attach mechanism can sometimes encounter issues, preventing the attachment from connecting or disconnecting properly. In this guide, we will discuss common problems with the quick attach system on the CAT 320D, explore the possible causes, and provide troubleshooting steps to help resolve these issues.

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Maintaining and repairing heavy machinery is a crucial aspect of running a construction business or managing a fleet of industrial equipment. Proper repair practices can not only extend the life of machinery but also improve safety, efficiency, and overall performance. In this article, we will explore some real-world insights into the evolution of repair practices, including key lessons learned and important considerations when managing the repair and maintenance of heavy equipment.

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The CAT 289D is a well-known model in the Caterpillar line of compact track loaders. Renowned for its durability, versatility, and power, it is widely used in construction, agriculture, and landscaping. However, like any heavy equipment, it may occasionally encounter problems, including issues with the air conditioning (AC) system. In this article, we will explore common AC issues that can arise in the CAT 289D, possible causes, and troubleshooting steps to help technicians and operators get the system working again.

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Frame repairs are a critical aspect of maintaining the longevity and operational efficiency of heavy equipment. Whether dealing with a cracked chassis, bent frame, or structural damage, a strong and intact frame is essential to ensure the safety and functionality of machinery. Frame issues are not uncommon in heavy equipment, particularly in machines that are regularly exposed to harsh working conditions or heavy loads. Understanding the process of frame repair can save time and money, minimize downtime, and extend the operational life of your equipment.

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The John Deere 412B loader, a part of John Deere’s legacy in construction equipment, has earned a reputation for being durable, versatile, and reliable. Produced in the 1980s, this model has provided dependable service in various industries, from construction to farming. Although it’s no longer in production, its impact on the equipment industry remains significant. This article explores the history, technical specifications, and key features of the 412B, offering insight into its legacy and why it is still remembered fondly by many in the industry.

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The John Deere 35D is a versatile and reliable mini-excavator used for various construction, digging, and landscaping tasks. One of the key components that ensure its engine runs efficiently is the air cleaner. Proper maintenance of the air cleaner is critical for preventing dust and debris from entering the engine, which could lead to serious performance issues or long-term damage. This article will delve into the importance of maintaining the JD 35D air cleaner, common problems, and troubleshooting tips to ensure the longevity and optimal performance of your machine.

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The Grove MZ66A is a renowned articulated boom lift, commonly used in industries like construction and maintenance. However, operators often face issues with its basket cylinder, which can lead to challenges in hydraulic operation. This article will explore common problems associated with the basket cylinder, how to troubleshoot them, and the maintenance tips that ensure smooth functionality.

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The John Deere 310C is a popular model in the heavy equipment category, often used in construction and excavation projects. However, like any machinery, it can run into mechanical issues over time. One common issue owners and technicians might face is misalignment of the fuel pump fittings. This problem can lead to fuel leakage, poor engine performance, or even engine failure if not addressed promptly. In this article, we will discuss the potential causes of fuel pump fitting misalignment in the JD 310C, how to troubleshoot the issue, and provide solutions to prevent this from happening in the future.

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Understanding the CAT D5C Dozer

The Caterpillar D5C is a mid-size crawler dozer introduced in the late 1980s and produced through the early 2000s. It was designed for grading, site preparation, and light-to-medium earthmoving tasks. With an operating weight around 9,000 kg and a 100-horsepower diesel engine, the D5C offered a balance of maneuverability and pushing power. Its hydrostatic transmission and low ground pressure made it popular in forestry, agriculture, and utility work.

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