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Takeuchi TB257FR Compact Excavator Review
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Introduction
The Takeuchi TB257FR is a compact hydraulic excavator that stands out in the mini-excavator category due to its innovative design and robust performance. Introduced as a successor to the TB153FR, the TB257FR incorporates several enhancements aimed at improving operational efficiency and versatility. This review delves into its specifications, features, and user feedback to provide a comprehensive overview of the machine's capabilities.
Engine and Performance
Powering the TB257FR is a Kubota V2403-CR-TE5B turbocharged diesel engine, delivering 52.3 horsepower at 2,200 rpm. This engine meets Tier 4 Final EPA emissions standards through a combination of Diesel Oxidation Catalyst (DOC) and Diesel Particulate Filter (DPF) systems. The engine's maximum torque of 195.6 Nm at 1,500 rpm ensures ample power for various digging and lifting tasks. Operators can select from three working modes—Standard, Eco, and High Altitude—to optimize fuel efficiency and performance based on specific job requirements.
Hydraulic System and Attachments
The TB257FR boasts a hydraulic system capable of delivering a total flow rate of 46.4 gallons per minute (175.6 liters per minute), with auxiliary circuits providing 27.7 gpm (105 l/min) and 11.8 gpm (45 l/min) flows. This robust hydraulic performance supports a wide range of attachments, from buckets to hydraulic hammers. The machine features dual-flow hydraulic lines operated by sliders on both levers, allowing for smooth control of variable flow and detent to accommodate various attachments.
Design and Maneuverability
One of the standout features of the TB257FR is its Side-to-Side (STS) offset boom, which provides full rotation capability, allowing the machine to operate in confined spaces with minimal tail swing. The boom's design enables it to articulate to the right far enough to function similarly to a conventional excavator, with the boom coming up alongside the cab. This design enhances visibility and precision during operation.
Operator Comfort and Safety
The TB257FR is designed with operator comfort in mind. It features a spacious cabin with intuitive controls, reducing operator fatigue during extended use. The cabin is equipped with air conditioning, a heater, and a Bluetooth radio for optimal driver comfort. Safety is also a priority, with features such as a boom holding valve and an overhead lift alarm to prevent accidents during lifting operations.
Maintenance and Durability
Takeuchi has designed the TB257FR with ease of maintenance in mind. The machine features wide-opening hoods and a tilt-up cabin, providing excellent serviceability and reducing downtime. Regular maintenance, including checking hydraulic fluid levels and inspecting filters, is essential to ensure the machine's longevity and optimal performance.
User Feedback
Users have generally praised the TB257FR for its performance and versatility. The machine's ability to operate in tight spaces without sacrificing power has been highlighted as a significant advantage. However, some users have noted that the complexity of the STS boom system introduces additional maintenance considerations. Despite this, the overall consensus is that the TB257FR offers excellent value for its capabilities.
Conclusion
The Takeuchi TB257FR compact excavator is a formidable machine that combines power, versatility, and operator comfort. Its innovative STS boom design sets it apart from traditional mini-excavators, making it an excellent choice for projects requiring maneuverability in confined spaces. While the complexity of its hydraulic system necessitates regular maintenance, the TB257FR's performance and features make it a valuable asset for construction and landscaping professionals.
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