1979 John Deere 850 Tractor Specifications and Features Overview
If you’re considering a 1979 John Deere 850 tractor, it’s important to understand its specifications to ensure it fits your needs. With a 24.5-horsepower engine, the 850 is compact yet powerful, making it a solid choice for smaller farming operations or land maintenance. It’s built with a 3-cylinder, water-cooled diesel engine that provides durability and reliable performance over time.
The 850 has a 4WD (four-wheel-drive) system, which enhances traction, especially in challenging terrain. This feature makes it well-suited for both mowing and light tillage work. The tractor’s transmission system includes a 8-speed gearshift, offering a wide range of speeds for various tasks. It also has a PTO (power take-off) with a 540 RPM rating, making it compatible with a range of implements for different jobs.
When it comes to hydraulics, the John Deere 850 includes a 2-range system, providing a hydraulic flow rate of 6.6 gallons per minute. This is sufficient for operating implements like mowers and tillers, allowing you to get the most out of your tractor for fieldwork. The hydraulic system also offers ease of use, thanks to its simple controls and responsiveness.
For maneuverability, the John Deere 850 features a tight turning radius, ideal for working in smaller spaces or navigating around obstacles in the field. The tractor’s overall weight, at approximately 2,000 pounds, makes it stable while still being light enough for easy transport and handling. Whether you’re looking for a reliable machine for light farming, landscaping, or yard work, the 1979 John Deere 850 can meet your needs with its solid performance and practicality.
1979 John Deere 850 Tractor Specs
The 1979 John Deere 850 tractor offers solid performance with its 2.1L, 3-cylinder diesel engine, delivering 25 horsepower. Its compact size and efficient design make it an ideal choice for small-scale farming and landscaping projects.
The engine runs at a rated speed of 2500 RPM, paired with a 4-speed transmission that allows smooth shifting for both forward and reverse operations. The 850’s transmission includes a high-low range for improved versatility on various terrains.
With a 3-point hitch, it can handle a variety of attachments, from plows to mowers. The lift capacity at the rear is 1,300 lbs, making it capable of lifting moderately heavy equipment or materials.
Its wheelbase is 62 inches, providing a stable and balanced ride. The tractor’s weight is around 2,000 lbs, making it maneuverable yet sturdy enough for most tasks.
The John Deere 850 features hydraulic power steering, ensuring precise control, especially in tight spaces. It also comes equipped with an independent PTO, offering reliable power transfer to attachments, ensuring smooth operation in the field.
The fuel tank holds 10.6 gallons, providing sufficient run time for extended hours of work. This tractor’s combination of power, ease of use, and compact design continues to make it a dependable choice for many operators.
Engine Specifications and Performance Details
The 1979 John Deere 850 tractor features a 3-cylinder, liquid-cooled, diesel engine. This engine has a displacement of 1.6 liters (63.3 cubic inches), delivering a reliable output of 24.5 horsepower. Its compression ratio stands at 22.0:1, offering solid fuel efficiency and performance for various tasks.
With a bore of 3.4 inches and a stroke of 3.8 inches, the engine is designed for durability. The power is transferred through a synchromesh transmission system, which provides smooth shifting and reduces the chances of mechanical wear during use. A 12-volt electrical system powers the tractor’s lighting and starting components.
The engine is built for consistent operation even under demanding conditions, offering good fuel consumption rates. The 1979 John Deere 850 tractor has a fuel tank capacity of 7.5 gallons, allowing for long working hours without frequent refueling stops. The engine’s design also supports easy maintenance, with accessible parts for quick servicing and reduced downtime.
Maximum torque is reached at 1,500 rpm, providing strong pulling power for heavy loads. With a maximum engine speed of 2,400 rpm, the tractor balances power with efficiency, making it suitable for a wide range of agricultural and construction tasks.
Hydraulics and Lift Capacity of the 1979 John Deere 850
The 1979 John Deere 850 tractor is equipped with a reliable hydraulic system that can handle a variety of tasks. The tractor features a hydraulic pump capable of delivering 6.1 gallons per minute (GPM), ensuring smooth operation of implements and attachments. Its hydraulic system uses an open-center design, which allows for versatile use in different applications.
The 850’s 3-point hitch has a lift capacity of up to 1,500 lbs at the ends of the arms, making it suitable for handling a range of implements, such as plows, cultivators, and rear blades. This lift capacity gives the tractor a solid edge for medium-duty tasks around the farm or on construction sites.
For more demanding tasks, it’s important to pair the John Deere 850 with implements that match its hydraulic capabilities. While the tractor can handle a variety of attachments, exceeding its lift capacity can cause unnecessary strain on the hydraulic system. Always check the specifications of any implement before use to ensure compatibility with the tractor’s power output.
The hydraulic system on the 1979 John Deere 850 remains reliable for general use and can be adjusted for different tasks with the right attachments, making it a versatile choice for those looking for a dependable, medium-duty tractor.
Transmission Options and Driving Features
The 1979 John Deere 850 tractor offers a range of transmission choices designed to suit various farming tasks. It is equipped with a 8-speed unsynchronized gear transmission, providing smooth shifting across a range of speeds. This setup ensures that operators can adapt to different working conditions with ease.
- 8-Speed Gear Transmission: This option includes 4 forward and 4 reverse gears, allowing for versatility in both field and road operations. The gear ratios are optimized for light to medium-duty tasks.
- Shuttle Shift: A key feature that enhances convenience when reversing or changing directions, especially during loader work. The shuttle shift reduces the need for clutch use when switching between forward and reverse, saving time and effort.
- Manual Gear Shifting: The unsynchronized nature of the gears requires the operator to manually match the engine speed to the transmission speed. Though not as quick as synchronized systems, it is a reliable and durable feature for everyday tasks.
For driving comfort, the John Deere 850 offers a straightforward layout with good visibility and ergonomics. The tractor’s compact design allows it to maneuver easily in tight spaces, ideal for orchards or small-scale operations. The 2WD configuration provides a good balance between traction and fuel economy, while 4WD models offer enhanced grip on slippery or uneven ground.
Operating this tractor is smooth, with the suspension system absorbing much of the roughness from uneven terrain. The pedals are positioned comfortably, and the layout makes it easy for the operator to shift gears or adjust speed on the go.