The John Deere 850 is a well-known, multifunctional compact farm tractor. Built from 1978-1989, it’s powered by a sturdy, 1.3L 3-cylinder Yanmar diesel engine that outputs 25 horsepower. This small but mighty machine assists farmers with a myriad of tasks. It comes in both 2WD and 4WD versions for diverse farm operations. Now, let’s take a closer peek at the John Deere 850 tractor. We’ll look into its specs, attachments, and performance in clear detail with the help of comprehensive charts.
Open center, capacity varies (4.8 gal standard, 5.3 gal optional)
3-Point Hitch
Category 1
Drawbar Power
17.8 hp (13.3 kW)
Drive Wheels
2WD/4WD options available
Wheelbase
64 in (1620 mm)
Overall Length
117.7 in (2980 mm)
Overall Width
53.3 in (1350 mm)
Height
50.8 in (1290 mm)
Ground Clearance
13.7 in (340 mm)
Weight
Approx. 2400 lbs (1088 kg)
Tire Sizes (Standard)
Front: 5.00-15, Rear: 11.2-24
Steering
Manual with power steering option
Attachments
Mid-mount mower, front blade, loader, backhoe compatibility
Operator Station
Open with ROPS (Roll-Over Protection Structure)
The John Deere 850 tractor shines with its petite structure and flexibility, perfect for jobs from grass-cutting to simple construction tasks. It boasts an open operator area with roll-over protection (ROPS) that secures the driver. Let’s focus on the important aspects, presented using clear, handy tables for quick review.
Engine Specifications
Specification
Details
Engine Model
Yanmar 3T80-J
Engine Type
3-cylinder, liquid-cooled diesel
Number of Cylinders
Three
Displacement
78.0 cu in (1.3 L)
Bore
3.15 in (80.0 mm)
Stroke
3.35 in (85.0 mm)
Rated Power
25 hp (18.6 kW)
Engine Speed
2600 rpm
Compression Ratio
21.2:1
Air Cleaner
Paper element
Fuel Tank Capacity
8.5 gal (32.3 L)
Transmission and PTO
Specification
Details
Transmission Type
8F/2R gears
Number of Forward Speeds
8
Number of Reverse Speeds
2
Clutch Type
Dry disc
Clutch Diameter
8.3 in (210 mm)
Maximum Forward Speed
11.7 mph (18.8 kph)
PTO Type
Transmission / Live two-stage clutch
PTO Horsepower
22 hp (16.4 kW)
PTO Speed
540 rpm
Hydraulics and Hitch
Specification
Details
Hydraulic System Type
Open center
Hydraulic Capacity
4.8 gal (18.0 L) standard, 5.3 gal (20.0 L) optional
3-Point Hitch Category
1
Drawbar Power
17.8 hp (13.3 kW)
Dimensions and Weight
Specification
Details
Wheelbase
64 in (1620 mm)
Length
117.7 in (2980 mm)
Height
50.8 in (1290 mm)
Width
53.3 in (1350 mm)
Ground Clearance
13.7 in (340 mm)
Weight
2400 lbs (1088 kg)
Front Tread
42 to 58 in (1060 to 1470 mm)
Rear Tread
42 to 50 in (1060 to 1270 mm)
Wheels and Tires
Specification
Details
Drive Wheels
2WD/4WD options
Steering Configuration
Front steer
Steering System
Manual / Power (optional)
Front Tire Size (Standard)
5.00-15
Rear Tire Size (Standard)
11.2-24
Front Tire Size (Turf)
23×8.5-12
Rear Tire Size (Turf)
13.6-16
Attachments and Accessories
Attachment
Description
Mid-mount Mower
John Deere 172: 72 in (1820 mm) deck
Front Blade
John Deere 423: 72 in (1820 mm)
Loader
John Deere 80 front-end loader
Backhoe
Compatible with various backhoe attachments
Performance Insights
Power and Efficiency: The John Deere 850’s 25 horsepower fits small and medium jobs pretty well. Its Yanmar diesel engine promotes great mileage, allowing it to work long hours with less fueling up.
Handling and Maneuverability: This compact tractor, with an option between 2WD and 4WD, adapts nicely to various terrains. Choose manual or power steering for exact control when you’re working in tight spots.
Durability: Yanmar, a Japanese company, makes the engine for this tractor. It’s known for being sturdy. Regular care will keep this model going for a long time, emphasizing its reputation for durability.
Versatility: Attachments such as mowers, blades, and loaders help the tractor do different jobs. It’s a fantastic addition to diverse farming tasks, like a multi-tool for the agriculture industry.
Conclusion
John Deere’s 850 tractor isn’t the latest. However, its reputation for being steadfast, and its easy-to-use features and solid output keep it held in high regard. Whether used for a small farm, landscaping tasks, or light construction, it provides all the necessary strength and flexibility. The detailed specs above prove why it’s a top pick for people desiring effective, sturdy, and multipurpose machinery.
Note:When planning to buy a John Deere 850, it’s essential to assess the state of pre-owned models. The availability of parts and service needs could vary based on the made year and past use.
By understanding these specifications and features allows you to decide wisely if the John Deere 850 satisfies your demands in the farming business. Keep in mind, the perfect tractor is one that is compatible with your tasks and augments your efficiency with its reliable functionality.
FAQ
What is the horsepower of the John Deere 850 tractor?
At 25 horsepower (18.6 kW), the John Deere 850’s engine is a Yanmar 3-cylinder diesel.
Can the John Deere 850 be used for both agricultural and landscaping tasks?
The John Deere 850 is a jack-of-all-trades. You can use it for a variety of tasks like mowing, light plowing, grading, and landscaping. It comes with helpful add-ons such as mid-mount mowers, blades, and loaders. It’s a good fit for farming and landscaping work.
What are the common issues with the John Deere 850 tractor?
Common issues include:
Starting problems due to weak or dead batteries, clogged fuel filters, or issues with glow plugs.
Hydraulic system issues like slow response or leaks.
Electrical problems such as faulty wiring or alternator issues.
Engine overheating due to low coolant or a malfunctioning thermostat.
Transmission slippage from worn gears.
What type of transmission does the John Deere 850 have?
The John Deere 850 has a gear-type transmission. It boasts 8 forward speeds and 2 reverse speeds. It’s got a dry disc clutch too.
How much does a John Deere 850 tractor weigh?
The John Deere 850 is pretty hefty. It tips the scales at around 2,400 pounds (1,088 kg).
What attachments are compatible with the John Deere 850?
Compatible attachments include:
72-inch mid-mount mower deck
Front blade for clearing snow or leveling ground
Front-end loader for lifting and moving materials
Backhoe for digging
Is power steering available on the John Deere 850?
Manual steering is standard on the John Deere 850. However, if you wanted more, power steering was an option for this model.
What should I know about the fuel system of the John Deere 850?
The John Deere 850’s fuel system can sometimes come up with problems like air locks or fuel line blockages. Regular maintenance is key.
Bleeding the fuel system to remove any air.
Changing fuel filters to prevent clogs.
Checking for water in the fuel to avoid engine issues.
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