USED JOHN DEERE 8630

Price reduced to $15,000. This 1976 John Deere 8630 for sale is a 275 HP-class articulated 4WD farm tractor featuring a seller-reported newer John Deere 50 Series diesel engine, Quad-Range transmission, EZ-Guide 250 guidance, dual wheels, and an air-ride swivel seat.
Originally priced at $17,000, the seller has now reduced the tractor to $15,000 while downsizing the farming operation. The seller reports that it runs, drives, shifts, and operates very well and remains field-ready.
For buyers searching for a used John Deere 4WD tractor for tillage, ripping, disking, cultivation, or other heavy field applications, this 8630 offers substantial horsepower at an affordable asking price.
Now priced at $15,000, this 1976 John Deere 8630 for sale offers serious pulling power at a newly reduced price. Originally listed at $17,000, the seller has lowered the asking price by $2,000 as they continue downsizing their farming operation and no longer have a need for this tractor.
This is a large articulated 4WD farm tractor built for heavy field work, tillage, ripping, disking, cultivation, and other applications where horsepower, traction, and weight matter. The John Deere 8630 was part of Deere's high-horsepower Generation II lineup and is rated in the 275-horsepower class.
What makes this particular tractor especially noteworthy is the seller-reported upgrade to a newer John Deere 50 Series diesel engine. The exact replacement-engine model and hours have not been supplied, so buyers should verify the engine identification and current specifications during inspection.
Price Reduced from $17,000 to $15,000
The tractor was previously offered at $17,000 and has now been reduced to $15,000.
For a buyer searching for an affordable high-horsepower John Deere 4WD tractor, this price reduction makes the 8630 worth a closer look. The seller is downsizing the operation and would rather move the tractor to another farm where it can continue being used.
Newer John Deere 50 Series Engine Upgrade
The seller reports that the tractor has been upgraded with a newer John Deere 50 Series diesel engine.
This is an important distinction from an all-original 1976 John Deere 8630. While the original 8630 was factory equipped with a 10.1L diesel engine, the exact displacement and specifications of the replacement 50 Series engine have not been confirmed.
Buyers should independently verify the replacement engine model, serial information, hours, and output if those details are important to the purchase.
The seller represents the tractor as a 275 HP machine and reports that it runs and operates very well.
Quad-Range Transmission and Articulated 4WD
Power is transferred through John Deere's Quad-Range transmission, providing 16 forward and 4 reverse speeds.
The articulated four-wheel-drive design was built to transfer substantial horsepower to the ground, making this tractor a practical choice for:

Heavy tillage
Chisel plowing
Ripping
Disking
Field cultivation
Large drawbar implements
Other demanding agricultural applications

The seller reports that the tractor runs, drives, and shifts as it should.
EZ-Guide 250 Guidance System
This John Deere 8630 is also equipped with an EZ-Guide 250 Auto Steer/guidance system.
The guidance setup adds useful precision capability to an older high-horsepower tractor and may help operators maintain more consistent field passes while reducing unnecessary overlap.
Buyers should confirm the current operation and included components of the system during inspection.
Hydraulic, PTO, and Hitch Capability
Commonly published specifications for the John Deere 8630 include a closed-center hydraulic system, approximately 33 GPM hydraulic flow, two rear remote valves, an independent 1000 RPM PTO, and a Category III three-point hitch.
These features helped make the 8630 capable of handling a wide range of large agricultural implements.
Operators planning to use a specific modern implement should verify hydraulic requirements, hitch compatibility, PTO requirements, and electrical needs before purchase.
Tires and Operator Features
The seller reports that the inside tires are in good condition.
The dual tires remain usable but show wear consistent with their age and use. Buyers should inspect tread depth, sidewalls, rims, and dual hardware when evaluating the tractor.
Inside the cab, the tractor is equipped with an air-ride swivel seat, helping improve operator comfort during long days in the field.
Seller Reports Good Operating Condition
According to the seller, this John Deere 8630 has been kept in good operating condition and continues to run very well.
The seller reports that it:

Runs well
Drives properly
Shifts as it should
Operates as intended for their farm use
Is currently field-ready

As with any tractor of this age, prospective buyers are encouraged to inspect the machine and verify its present mechanical condition.
Why the Seller Is Selling
The tractor is being offered because the seller is downsizing the farming operation and simply does not have the need for it anymore.
Rather than allow a large-capacity tractor to sit unused, the seller has reduced the price from $17,000 to $15,000 and is offering it to another farmer or agricultural operation that can continue putting its horsepower to work.
At $15,000, this used John Deere 8630 may be a strong fit for someone needing substantial four-wheel-drive pulling power without stepping into the price range of newer articulated tractors.
Contact Trustworthy Equipment LLC for current availability, location information, additional details, or help coordinating the next step with the seller.