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John Deere 850J Dozer: An Overview
The John Deere 850J Dozer is a formidable piece of machinery that has earned its place in the heavy equipment arena. Known for its robust performance and reliability, this dozer is designed to tackle a variety of tasks, from land clearing to grading and excavation. With its powerful engine and advanced features, the 850J stands out as a go-to choice for contractors and operators who demand efficiency and durability in their equipment.
Performance and Versatility
What sets the 850J apart is its exceptional performance in diverse working conditions. Whether you’re dealing with tough terrain or soft soil, this dozer adapts seamlessly, making it a versatile tool for any job site. Its high drawbar pull and impressive blade capacity allow operators to move substantial amounts of material with ease. The dozer’s ability to pivot and maneuver in tight spaces further enhances its usability, making it ideal for both large-scale projects and smaller, more intricate tasks.
The 850J is equipped with a hydrostatic transmission that provides smooth and precise control, allowing operators to navigate challenging environments without sacrificing speed or power. This feature is particularly beneficial when working on slopes or uneven ground, where maintaining stability is crucial. Additionally, the dozer’s advanced hydraulic system ensures optimal blade responsiveness, enabling quick adjustments to the blade angle and height.
Operator Comfort and Control
John Deere has prioritized operator comfort in the design of the 850J. The spacious cab is equipped with ergonomic controls, providing an intuitive interface that minimizes operator fatigue during long hours of work. The visibility from the cab is excellent, allowing operators to maintain awareness of their surroundings and work efficiently. Features like climate control and adjustable seating further enhance the comfort level, making it easier for operators to focus on the task at hand.
Safety is also a key consideration in the design of the 850J. While this overview won’t delve deeply into safety protocols, it’s essential to note that the dozer is equipped with ROPS (Roll-Over Protective Structure) and FOPS (Falling Object Protective Structure) to safeguard operators in the event of an accident. These features, combined with the dozer’s stability and control, contribute to a safer working environment.
In summary, the John Deere 850J Dozer is a powerhouse that combines performance, versatility, and operator comfort. Its ability to tackle a wide range of tasks, coupled with advanced technology and safety features, makes it a top choice for those in the construction and earthmoving industries. Whether you’re a seasoned operator or new to heavy machinery, the 850J is designed to meet the demands of your toughest projects.
John Deere 850J Dozer Specs
The John Deere 850J Dozer is engineered for heavy-duty performance and reliability. Below, we delve into the specifications that make this dozer a top contender in the construction and earthmoving sectors.
Engine Specifications
At the heart of the 850J is a powerful engine designed to deliver exceptional performance. Here are the key engine specifications:
| Specification | Details |
|---|---|
| Engine Model | John Deere 4045HTB |
| Type | 4-Cylinder, Turbocharged Diesel |
| Net Power | 92 hp (68.6 kW) |
| Displacement | 276 cu in (4.5 L) |
| Torque | 265 lb-ft (360 Nm) |
| Fuel Tank Capacity | 30.5 gallons (115 L) |
Dimensions
The dimensions of the 850J are crucial for understanding its capabilities and suitability for various tasks. Here’s a breakdown of its dimensions:
| Specification | Details |
|---|---|
| Overall Length | 12 ft 6 in (3,810 mm) |
| Overall Width | 7 ft 4 in (2,230 mm) |
| Overall Height | 8 ft 4 in (2,540 mm) |
| Track Width | 20 in (508 mm) |
| Ground Clearance | 1 ft 1 in (330 mm) |
Weight and Capacity
Understanding the weight and capacity of the 850J is essential for assessing its performance in various applications. Here are the relevant specifications:
| Specification | Details |
|---|---|
| Operating Weight | 18,000 lbs (8,164 kg) |
| Blade Capacity | 2.5 cu yd (1.9 m³) |
| Maximum Blade Lift Height | 12 in (305 mm) |
| Maximum Blade Depth | 6 in (152 mm) |
| Drawbar Pull | 15,000 lbs (6,804 kg) |
Working Features
The working features of the John Deere 850J Dozer enhance its functionality and efficiency on the job site. Here’s what you need to know:
| Specification | Details |
|---|---|
| Blade Type | Semi-U Blade |
| Hydraulic System Type | Open Center |
| Hydraulic Flow Rate | 22.5 gpm (85.2 L/min) |
| Steering Type | Hydrostatic |
| Travel Speed | 6.2 mph (10 km/h) |
The John Deere 850J Dozer is a well-rounded machine that combines power, efficiency, and operator comfort. With its robust specifications, it stands ready to take on the toughest challenges in the field. Whether you’re pushing dirt, grading, or clearing land, the 850J is built to perform.
Problems and Recommendations for the John Deere 850J Dozer
While the John Deere 850J Dozer is a robust and reliable machine, like any piece of heavy equipment, it can encounter problems. Understanding these issues and knowing how to address them can help operators maintain optimal performance and extend the lifespan of the dozer.
Common Problems
Here are some of the common problems that operators might face with the John Deere 850J Dozer:
1. Hydraulic System Issues
– Symptoms: Slow or unresponsive hydraulic functions, leaks, or unusual noises.
– Causes: Low hydraulic fluid levels, contaminated fluid, or worn hydraulic components.
2. Engine Performance Problems
– Symptoms: Reduced power, stalling, or excessive smoke from the exhaust.
– Causes: Clogged fuel filters, air intake issues, or problems with the fuel injection system.
3. Track and Undercarriage Wear
– Symptoms: Uneven wear on tracks, excessive vibration, or difficulty in steering.
– Causes: Poor maintenance, operating on rough terrain, or improper track tension.
4. Electrical System Failures
– Symptoms: Inoperative lights, warning indicators, or failure to start.
– Causes: Dead batteries, faulty wiring, or malfunctioning sensors.
Recommendations for Maintenance and Troubleshooting
To mitigate the problems mentioned above, here are some practical recommendations for maintaining the John Deere 850J Dozer:
1. Regular Hydraulic System Checks
– Inspect hydraulic fluid levels weekly and top up as necessary.
– Change hydraulic fluid and filters according to the manufacturer’s schedule.
– Look for leaks and address them immediately to prevent further damage.
2. Engine Maintenance
– Replace fuel filters every 500 hours of operation or as recommended.
– Regularly check and clean the air intake system to ensure proper airflow.
– Monitor exhaust for unusual smoke, which can indicate engine issues.
3. Track and Undercarriage Care
– Inspect tracks for wear and adjust tension as needed.
– Clean the undercarriage regularly to prevent dirt buildup that can lead to premature wear.
– Rotate tracks periodically to ensure even wear.
4. Electrical System Vigilance
– Conduct routine inspections of the battery and wiring for signs of corrosion or damage.
– Test electrical components regularly to catch issues early.
– Keep the operator’s manual handy for troubleshooting electrical problems.
Operator Training and Best Practices
Proper training and adherence to best practices can significantly reduce the likelihood of problems arising with the 850J Dozer:
– Ensure all operators are trained in the specific functions and controls of the dozer.
– Encourage operators to perform pre-operation checks to identify potential issues before they escalate.
– Promote safe operating practices, especially when working on slopes or uneven terrain, to minimize wear and tear on the machine.
By staying proactive with maintenance and addressing issues promptly, operators can ensure that the John Deere 850J Dozer remains a reliable workhorse on the job site.