We sell excavators suitable for rental business. Any customization can be done on the excavator.Cheap, refurbished, stable. Meet your needs for quick return on investment.
LiuGong’s diagnostic software ecosystem integrates telematics, engine diagnostics, and service tools to streamline maintenance and reduce downtime. Powered by partnerships with Cummins and Tierra, it offers real-time fault detection, remote monitoring, and predictive insights for LiuGong construction equipment.
Hydraulic systems play a crucial role in the functioning of heavy equipment, from excavators to bulldozers. One of the most critical components of these systems is the hydraulic pump, which is responsible for circulating hydraulic fluid under pressure to various parts of the machinery. When it comes to modern diesel engines, especially those equipped with HEUI (Hydraulic Electronic Unit Injection) systems, maintaining proper oil levels and ensuring correct oil filling procedures is essential for optimal performance. This article delves into the correct process of filling oil on hydraulic pumps in HEUI systems, including essential details on why it matters, potential issues, and expert tips for maintaining your equipment.
The Case 1840 skid steer loader is a robust and widely used machine in construction, agriculture, and landscaping. Its lift control system relies on high-pressure hydraulic hoses that connect the valve block to the lift cylinders. Over time, these hoses may leak, crack, or degrade, requiring removal and replacement. However, accessing and removing these hoses—especially those routed beneath the cab or behind the control valve—can be challenging due to tight clearances and rigid fittings. This article explores the process of removing lift control hoses on the Case 1840, with detailed steps, terminology notes, and field-tested strategies.
Heavy equipment, often seen as large and powerful, is a critical component in industries such as construction, mining, agriculture, and more. However, beyond the familiar bulldozers, excavators, and cranes, there exists a fascinating world of strange and interesting machines. These machines are often unique in their design, purpose, or functionality, showcasing the ingenuity and creativity that has propelled heavy equipment technology forward. This article explores some of the most unusual and interesting machines in the world of heavy equipment, providing a closer look at their innovations, uses, and the stories behind them.
The Bobcat 773 skid steer loader is a versatile and widely used compact machine, known for its reliability and hydraulic performance. One of the more common maintenance issues involves hydraulic leaks from the lift spool valve—a critical component that controls the raising and lowering of the loader arms. A leak in this area can lead to reduced lifting power, messy fluid loss, and long-term damage if not addressed. This article explores the anatomy of the lift spool, causes of leakage, and step-by-step repair strategies, enriched with field anecdotes and practical advice.
Round balers play a critical role in modern farming, especially when it comes to efficiently handling large volumes of hay, straw, or silage. The John Deere 566 Round Baler is one of the most popular models in its category. Known for its reliability and advanced features, the 566 has earned a reputation as a go-to machine for farmers worldwide. This article explores the key features, maintenance tips, and troubleshooting strategies for John Deere 566 round balers, offering both novice and experienced operators a comprehensive guide.
The CAT 6K9879 carrier roller is a mid-sized upper track roller commonly found on Caterpillar track-type equipment, including dozers and excavators. Its role is to support the track chain from above, maintaining alignment and reducing wear. Over time, carrier rollers can fail due to bearing wear, seal degradation, or shaft scoring. This article provides a detailed guide to disassembling and inspecting the 6K9879 roller, with practical insights from field repairs and rebuilds.
Backfilling is an essential part of many construction projects, particularly those involving excavation. Whether it's filling the foundation of a new building, covering utility trenches, or restoring landscaping, backfilling ensures that the site is ready for the next phase of construction. While traditionally done manually, modern backfilling machines have greatly improved the efficiency, speed, and accuracy of this task. This article provides an in-depth look at backfilling machines, discussing their types, functions, key considerations for their use, and some practical advice for maximizing their potential.
The Komatsu PC90 is a mid-size crawler excavator produced in the late 1980s through the mid-1990s. Known for its reliability and balanced performance, it remains in use across farms, construction sites, and forestry operations. However, aging units often face persistent overheating issues, especially under warm ambient conditions. This article explores the PC90’s specifications, common problems, and practical repair strategies, enriched with real-world anecdotes and operator insights.
The John Deere 450C is a highly regarded crawler tractor that has been a staple in various industries, including construction, land clearing, and excavation. Renowned for its durability and power, this machine is capable of performing a wide range of tasks. This guide will explore the key aspects of operating, maintaining, and troubleshooting the John Deere 450C, ensuring that operators get the most out of their machine while extending its life.
Installing a replacement engine in a Caterpillar 422E backhoe loader—typically powered by the 3054C or C4.4 engine—requires meticulous alignment, clean fuel and electrical connections, and careful priming of the fuel system. The process demands both mechanical skill and attention to contamination control.
The Case 450 is a well-regarded crawler tractor, part of Case’s lineup of small to medium-sized dozers. It’s built for precision and power, commonly used in construction, land clearing, and heavy-duty excavation work. Operators who understand how to manage this machine effectively can get the most out of its capabilities, improving productivity and extending the life of the equipment. This guide will take you through the key aspects of operating a Case 450, including its features, safety protocols, maintenance requirements, and common troubleshooting tips.
When a New Holland NH575E runs for a few minutes and then shuts off, the most common causes include fuel delivery issues, electrical faults, or safety system interruptions. Diagnosing the problem requires a methodical check of fuel flow, solenoid voltage, and sensor inputs.
The practice of adding Automatic Transmission Fluid (ATF) to diesel fuel has long circulated in equipment yards, truck stops, and mechanic shops. Some operators swear by it as a way to clean injectors, lubricate fuel pumps, or improve cold-weather performance. Others warn that it’s outdated, unnecessary, or even harmful to modern engines. This article explores the origins of the ATF-in-fuel myth, its mechanical implications, and real-world anecdotes from the field.
Removing and installing bushings in heavy equipment components—such as loader arms, excavator booms, and track frames—requires controlled force and precision. A shop press is the tool of choice for this task, but selecting the correct tonnage and configuration depends on the size of the bushing, the material involved, and the accessibility of the part. This article explores how to choose the right press for bushing work, with practical guidelines, terminology notes, and real-world anecdotes from mechanics and operators.
The John Deere 332 is a powerful skid steer loader designed for versatility and efficiency in construction, landscaping, and other heavy-duty applications. Like all modern machinery, the John Deere 332 relies on a complex electrical system to power its various components, from the engine to the hydraulic systems and attachments. Ensuring that the electrical system is properly maintained, including the fuses that protect vital circuits, is essential for keeping the machine running smoothly. This article will provide a detailed guide on the fuse locations for the John Deere 332, troubleshooting common fuse-related issues, and tips for maintaining the electrical system.
Code 237.13 on the John Deere 319D indicates a VIN mismatch between electronic controllers, while code 1569.31 signals an engine derate condition due to fuel system or software faults. Together, they often result in reduced engine power and require ECU reprogramming and fuel system inspection to resolve.
The Takeuchi TL130 is a popular compact track loader, widely recognized for its performance, durability, and versatility in construction and landscaping operations. Whether you're an experienced operator or a newcomer to this type of machinery, understanding the proper way to operate, maintain, and troubleshoot the TL130 can help ensure maximum efficiency and extend the life of the machine. This guide will break down the key aspects of the Takeuchi TL130, provide maintenance tips, and offer troubleshooting advice to keep your equipment in top shape.
The Case 580CK (Construction King) is a classic backhoe-loader that helped define the utility machine category in the 1960s and 1970s. Known for its rugged build and mechanical simplicity, the early 580CK models featured a shuttle transmission system that allowed quick directional changes between forward and reverse. However, as these machines age, shuttle-related issues—such as slipping, delayed engagement, or complete loss of motion—become increasingly common. This article explores the shuttle transmission system in early Case 580CK models, with detailed diagnostics, repair strategies, and field anecdotes from seasoned operators.
In the world of heavy equipment, sharing photos is a way for enthusiasts to showcase their machines, highlight their capabilities, and connect with others who appreciate the power and functionality of large machinery. From construction sites to remote mining operations, every photo tells a story of strength, precision, and hard work. In this article, we’ll explore the importance of sharing heavy equipment photos, the thrill of capturing such machines in action, and the various ways these images provide insight into the world of heavy machinery.
The Komatsu D21P-7 is a compact crawler dozer widely used for grading, land clearing, and small-scale construction. Its hydrostatic steering system allows precise control of left and right track movement via steering levers. When the machine loses the ability to turn left—while still turning right and moving forward—operators face a frustrating mechanical puzzle. This article explores the anatomy of the D21P-7 steering system, common failure points, and practical repair strategies, with field anecdotes and maintenance tips.
For heavy equipment enthusiasts, there's something inherently satisfying about getting their hands on new machines, whether for personal use or for work. These machines, often massive and highly specialized, are not just about function—they’re about power, precision, and sometimes, nostalgia. In this article, we will explore the experience of acquiring new pieces of heavy equipment, particularly focusing on two newly purchased machines, and the joy that comes with introducing them to the family of equipment.
Omaha Steaks is a household name in the world of premium mail-order meats, known for its hand-cut steaks, gourmet sides, and gift packages. Founded in 1917 in Omaha, Nebraska, the company has built a reputation for quality, consistency, and convenience. While some customers rave about the flavor and packaging, others debate whether the price matches the product. This article explores the brand’s history, product offerings, customer experiences, and the broader cultural phenomenon of mail-order meat.
Tilt bed trailers are indispensable tools in the heavy equipment industry, widely recognized for their versatility and ease of use. These trailers are specifically designed to simplify the loading and unloading of vehicles and machinery, eliminating the need for ramps or winches. They use a tilting mechanism that enables the bed to lower to the ground, creating a seamless incline for loading or unloading heavy loads. In this article, we will delve into the different aspects of tilt bed trailers, from their design and advantages to their applications and best practices.
The Ford 655D backhoe loader, produced in the late 1980s and early 1990s, remains a dependable workhorse in construction and agricultural fleets. One of the more overlooked components in restoration and maintenance is the cab fender—those curved panels that shield the operator from mud, debris, and tire spray. On older machines like the 1989 655D, sourcing replacement fenders can be a challenge due to discontinued parts, model-specific fitment, and structural wear. This article explores the practical realities of cab fender restoration, including sourcing options, fabrication strategies, and field-tested adaptations.
The Caterpillar D4C is a versatile and reliable machine widely used in construction, land clearing, and grading applications. Over time, operators have discovered the benefits of aftermarket cabs, especially for older models that might not have come with enclosed cabins as standard. Adding an aftermarket cab can significantly improve operator comfort, safety, and productivity. However, this process requires careful planning and knowledge of both the machine's original specifications and the aftermarket options available. In this guide, we’ll explore the considerations and best practices for installing an aftermarket cab on the D4C, addressing common challenges, and sharing advice based on user experiences.
Bobcat 463 rims do not directly fit the Toyota 4SDK4 skid steer without modification. While both machines use similar tire sizes, differences in bolt pattern, center bore, and offset typically prevent direct interchangeability.
The Caterpillar D8T is a workhorse in the world of heavy machinery, especially for applications such as grading, construction, and mining. When a D8T reaches the 10,000-hour mark, it signifies a significant milestone in its service life. This article will delve into the implications of a D8T turning 10,000 hours, provide insight into its longevity, maintenance, and performance, and explore the factors that contribute to the machine's continued efficiency beyond the 10,000-hour mark.
The TMZ-50/30 is a telescopic mast lift designed for indoor maintenance, facility access, and compact aerial work. Its control system—typically a touchpad interface linked to a circuit board—governs lift, lower, and directional functions. When the machine fails to respond to input, especially from the touchpad, operators face a diagnostic challenge: is the fault in the touchpad membrane, the circuit board, or the wiring between them? This article explores the anatomy of the TMZ-50/30 control system, common failure modes, and field-tested repair strategies.
Removing the right-side axle housing on a John Deere 310D backhoe is a process that requires careful planning, the right tools, and an understanding of the steps involved. Whether you are replacing a worn axle, addressing a hydraulic leak, or performing general maintenance, this guide will walk you through the steps to safely and efficiently remove the axle housing on your John Deere 310D.
The Bobcat 328K is a compact excavator designed for tight spaces and versatile job site demands. With its nimble footprint and respectable digging power, it’s a favorite among landscapers, utility crews, and small contractors. However, like many machines in its class, the 328K has its quirks—especially in hydraulics, undercarriage wear, and electrical reliability. This article explores the machine’s specifications, common issues, and practical advice from the field.
Coolant plays a crucial role in maintaining the performance and longevity of heavy machinery, especially in extreme operating conditions. It helps regulate the engine temperature, prevent overheating, and protect the engine from rust, corrosion, and scaling. Choosing the right coolant is vital, as it can impact the efficiency of the engine and the overall maintenance costs of the equipment.
In an unusual but thought-provoking complaint, an equipment operator expressed dissatisfaction with a new machine—not because of its performance, but because it was too quiet. This reaction opens a broader conversation about the role of sound in operator experience, machine feedback, and psychological comfort. While manufacturers strive for quieter, more efficient machines, some operators feel disconnected or uneasy when the familiar roar of diesel fades into a hum. This article explores the sensory and emotional dimensions of machine acoustics, with real-world anecdotes and technical context.
The use of earthmoving machinery in steel mills, foundries, and steelworks is a critical part of the industrial process. These machines are not only essential for moving materials but are also adapted to handle the extreme conditions found in these environments. The demands placed on earthmoving equipment in steelworks are unique, given the heat, dust, and heavy loads these machines must endure. Over time, the design of these machines has evolved to meet these challenges, incorporating innovative features that enable them to operate efficiently in harsh conditions.
Attaching a dozer blade to a farm tractor is a common practice among landowners, small contractors, and rural municipalities seeking a cost-effective solution for light earthmoving. While not a substitute for a dedicated crawler dozer, a tractor-mounted blade can perform a surprising range of tasks—from driveway grading and snow removal to light land clearing and pond shaping. This article explores the practical realities of using a dozer blade on a tractor, including mechanical considerations, terrain limitations, and field-tested adaptations.
