UtilityPerformance profile

John Deere 850

The John Deere 850 is a compact utility tractor that was made from 1978 to 1989. It's a small but capable machine, perfect for light farm work and yard tasks. This tractor has a 2WD chassis and manual steering, making it easy to handle in tight spaces. Under the hood, the John Deere 850 has a Yanmar 3T80-J engine. This diesel engine has 3 cylinders and puts out 25 horsepower, which is below average for tractors but good for its size. It has a liquid cooling system to keep it running smoothly. The tractor has an 8-speed forward and 2-speed reverse gear transmission, giving the driver good control over speed. It also has a rear three-point hitch and a 540 rpm PTO, useful for attaching and powering various tools. At 2,400 pounds, it's a lightweight tractor that won't compact soil too much. The open operator station with a roll-over protection system (ROPS) keeps the driver safe while working.

ManufacturerJohn DeerePower25 hpEngine3-cylTransGear
Image not recorded

Quick specs

Category
Utility
Engine Power Output
25hp
Operating Weight
2,400 lb
Transmission
Gear
Compare this model

At a glance

How the 850 compares

vs. Utility median

Distribution

Engine Power (hp)

Across all Utility tractors

25 hp · 16th

This model

9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383

The 850 ranks at the 16th percentile for engine power among recorded utility tractors.

Overview

About the John Deere 850

The John Deere 850 is a compact utility tractor that was made from 1978 to 1989. It's a small but capable machine, perfect for light farm work and yard tasks. This tractor has a 2WD chassis and manual steering, making it easy to handle in tight spaces. Under the hood, the John Deere 850 has a Yanmar 3T80-J engine. This diesel engine has 3 cylinders and puts out 25 horsepower, which is below average for tractors but good for its size. It has a liquid cooling system to keep it running smoothly. The tractor has an 8-speed forward and 2-speed reverse gear transmission, giving the driver good control over speed. It also has a rear three-point hitch and a 540 rpm PTO, useful for attaching and powering various tools. At 2,400 pounds, it's a lightweight tractor that won't compact soil too much. The open operator station with a roll-over protection system (ROPS) keeps the driver safe while working.

Full specifications

Every recorded spec

General

ManufacturerJohn Deere
Model850
CategoryUtility tractor
Type4x2 2WD
Years built1978–1989
Operating weight2,400lb

Engine

MakeYanmar
Model3T80-J
Power25hp
Cylinders3
Displacement78ci
Bore3.15in
Stroke3.35in

Transmission

TypeGear
Forward gears8
Reverse gears2

Chassis & drive

Chassis4x2 2WD
SteeringManual
BrakesDifferential mechanical expanding shoe
CabOpen operator station with two-post ROPS

Hydraulics

TypeOpen center

Power take-off

Rear PTOTransmission or live two-stage clutch
PTO speed540rpm

Dimensions

Length117.3in
Width53.1in
Height50.8in
Operating weight2,400lb

Capacities

Cooling system1.5gal

Head to head

850 vs. Utility median

How the John Deere 850 compares to other Utility tractors

SpecThis modelUtility medianDifferencePercentile
Engine Power25 hp55 hp-55%16th
Engine Displacement78 ci183 ci-57%11th
Cylinders34-25%23rd
Forward Gears812-33%23rd
Operating Weight2,400 lb5,303 lb-55%15th
Length117 in137 in-14%24th
Width53.1 in66 in-20%23rd
Height50.8 in94.1 in-46%3rd

Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,9335,720 models).

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FAQ

Common questions

When was the John Deere 850 made?

The John Deere 850 was manufactured from 1978 to 1989.

What hitch category is the John Deere 850?

The John Deere 850 uses a Category I hitch.

What is the engine power output of the John Deere 850?

Rated engine output for the John Deere 850 is 25 hp, delivered by a 3-cylinder engine. The engine displaces 78 ci.

What is the operating weight of the John Deere 850?

In working trim, the John Deere 850 comes in at roughly 2,400 lb.

Which transmission does the John Deere 850 use?

The John Deere 850 is equipped with a Gear transmission with 8 forward gears.

What type of hydraulic system does the John Deere 850 use?

Hydraulics on the John Deere 850 are Open center.

How do I maintain a John Deere 850?

Routine service for the John Deere 850 covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.