John Deere 8450 Tractor Parts

8450 parts and accessories

The John Deere 8450, manufactured from 1981 to 1986, was a powerful and popular tractor among farmers needing robust tillage capabilities. Powered by a 300 HP diesel engine and delivering substantial PTO horsepower, the 8450 offered reliable performance in demanding agricultural applications. Its articulated frame and advanced hydraulics made it a favorite for large-scale row crop operations.

The John Deere 8450 was introduced in 1981 as part of John Deere's lineup of high-horsepower, four-wheel-drive tractors. Production continued through 1986. This model featured a John Deere 6466A six-cylinder turbocharged diesel engine, delivering approximately 300 horsepower. The engine had a displacement of 466 cubic inches. The 8450 came standard with a 12-speed Quad Range transmission, offering a wide range of gear ratios for various field conditions. The PTO horsepower was rated at 240 hp, and it featured a 1000 RPM PTO shaft. Hydraulic capacity was significant, with a flow rate around 30 GPM, powering multiple remote hydraulic valves. The 3-point hitch was a Category III, capable of lifting substantial implements for tillage and planting. Commonly used for row crop farming, hay production, and heavy tillage operations, the 8450 distinguished itself from other models with its larger engine and increased hydraulic capacity compared to smaller tractors in the John Deere range. Its articulated design provided enhanced maneuverability, and its robust construction ensured longevity in demanding farming environments.

Specifications

Engine	John Deere 6466A 300 HP 466 ci Diesel
PTO HP	240 HP @ 1000 RPM
Transmission	Quad Range 12-speed
Hydraulics	30 GPM, 4 remotes
3-Point Hitch	Category III, 8,700 lbs
Fuel Capacity	150 gallons
Weight	24,700 lbs
Years Produced	1981-1986

Maintenance Tips

Change engine oil and filter every 250 hours using a high-quality diesel engine oil and a genuine John Deere or equivalent filter.
Inspect and maintain hydraulic fluid levels and filters regularly to prevent contamination and ensure optimal hydraulic system performance. Change hydraulic fluid per manufacturer recommendations (typically every 1000-1500 hours).
Use clean, high-quality diesel fuel and replace fuel filters according to the service schedule to prevent fuel system problems. Inspect fuel lines for cracks or leaks.
Before seasonal storage, properly prepare the tractor by draining fluids, adding fuel stabilizer, and protecting against corrosion to ensure easy start-up and longevity.

History & Background

The John Deere 8450 was a significant addition to John Deere's four-wheel-drive tractor lineup in the early 1980s. Designed to meet the increasing demands of large-scale farming operations, it offered a substantial increase in power and hydraulic capacity. Its success contributed to John Deere's reputation for producing reliable and high-performance agricultural equipment.

Frequently Asked Questions

What engine is in the John Deere 8450?

The John Deere 8450 is equipped with a John Deere 6466A six-cylinder turbocharged diesel engine, producing approximately 300 horsepower.

What is the PTO horsepower on a 8450?

The PTO horsepower of the John Deere 8450 is rated at 240 hp, and it utilizes a 1000 RPM PTO shaft.

What oil filter fits the 8450?

The recommended oil filter for the John Deere 8450 is typically a John Deere AR51741 or equivalent. Cross-references include Wix 51794, Baldwin B232, and Fleetguard LF3349.

What are common parts needed for the 8450?

Common wear parts for the John Deere 8450 include engine oil filters, fuel filters, hydraulic filters, fan belts, hydraulic seals, steering components, clutch parts, and various bushings and bearings in the driveline.

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