John Deere 5085M Maintenance Guide

John Deere 5085M Engine manual cover
Pages 140
Year 0
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John Deere 5085M Engine Specification

The John Deere 5085M tractor is equipped with an efficient and robust engine that meets the demands of modern agricultural tasks. At its core is a 4.5-liter PowerTech diesel engine, designed for optimal performance and reliability. This engine features four cylinders and utilizes a high-pressure common rail fuel injection system, which enhances fuel efficiency and provides precise fuel delivery for improved power output. The engine is turbocharged, allowing it to maintain consistent performance across a range of operating conditions by delivering higher torque at lower RPMs. This capability is particularly beneficial for heavy-duty applications, ensuring the tractor can handle challenging tasks with ease.

The 5085M engine meets stringent emissions standards, incorporating advanced exhaust gas recirculation (EGR) and a diesel particulate filter (DPF) to reduce harmful emissions. This compliance ensures that the engine operates within environmental regulations without compromising on power or efficiency. Furthermore, the engine's design emphasizes ease of maintenance with accessible service points, which simplifies routine checks and servicing, thereby reducing downtime.

In terms of power, the John Deere 5085M engine delivers approximately 85 horsepower, providing ample strength for various agricultural implements and tasks. The engine's design also includes a wet-sleeve cylinder liner, contributing to its durability and longevity by allowing better heat dissipation and wear resistance. Overall, the John Deere 5085M engine represents a blend of advanced technology and practical engineering, offering farmers a reliable and efficient power source for their diverse farming needs.

John Deere 5085M Engine F.A.Q.

What is the recommended engine oil type for John Deere 5085M?

The recommended engine oil type for the John Deere 5085M engine is John Deere Plus-50 II 15W-40 or an equivalent oil that meets the API CJ-4 or higher specifications.

How often should I change the engine oil on the John Deere 5085M?

It is recommended to change the engine oil and oil filter every 500 hours of operation or at least once a year, whichever comes first.

What is the procedure for bleeding air from the fuel system of the John Deere 5085M engine?

To bleed air from the fuel system, locate the bleed screw on the fuel filter housing. Loosen the screw and use the manual fuel pump to purge air until fuel flows without air bubbles, then tighten the screw.

What should I do if the engine of my John Deere 5085M does not start?

Check the battery connections and charge if necessary, ensure the fuel shut-off valve is open, verify fuel levels, and inspect fuel lines for blockages. If the issue persists, consult a John Deere technician.

How can I improve the fuel efficiency of my John Deere 5085M?

Regular maintenance including timely oil changes, air filter replacements, and ensuring proper tire pressure can help improve fuel efficiency. Additionally, operate at optimal engine speeds and avoid excessive idling.

What is the correct coolant type and capacity for the John Deere 5085M engine?

Use John Deere COOL-GARD II pre-mixed coolant. The engine cooling system capacity is approximately 15 liters (15.9 quarts).

How do I perform a basic engine inspection on the John Deere 5085M?

Perform a visual inspection for leaks, check fluid levels (oil, coolant, hydraulic), inspect belts and hoses for wear, and listen for unusual noises during operation.

What are the signs that the air filter on my John Deere 5085M needs replacement?

Signs include reduced engine performance, increased fuel consumption, and visible dirt or damage to the air filter element. Replace the air filter every 500 hours or as needed based on conditions.

How do I reset the service interval indicator on a John Deere 5085M?

To reset the service interval indicator, turn the key to the "Run" position without starting the engine. Press and hold the "Select" button on the dashboard until the indicator resets.

What precautions should be taken when storing the John Deere 5085M for an extended period?

Clean the tractor thoroughly, change the oil, fill the fuel tank, add a fuel stabilizer, disconnect the battery, and store in a dry, sheltered location. Cover with a tarp to protect from dust and debris.