The John Deere 5085M is a utility tractor manufactured by John Deere in Augusta, Georgia, USA, produced from around 2008 to 2018 as part of the 5M Series.

John Deere 5085M Detailed Specifications

John Deere 5085M Engine

Engine type:John Deere PowerTech M 4045, 4.5L 4-cylinder turbocharged diesel

Engine Power: 85 hp (63.4 kW)

Rated RPM: 2200

Torque: 331 lb-ft (448.8 Nm) at 1600 RPM

Fuel Capacity: 30.3 gallons (114.7 liters) for ROPS, 40.7 gallons (154 liters) for the cab model

Hydraulic System:

Type: Open center

Capacity: 11.9 gallons (45 liters)

Pump flow: 18.4 gallons per minute (69.6 liters/min)

Total flow: 24.7 gallons per minute (93.5 liters/min)

Transmission Options: 12-speed partially synchronized, 16-speed partially synchronized, 16-speed with power shuttle, 32-speed

Drive: 2WD (4×2) or 4WD (4×4 MFWD optional)

Rear Hitch Lift Capacity: 3,595 lbs (1630 kg) standard, optional 4,498 lbs (2040 kg)

Rear PTO: Independent electrohydraulic with options for 540/540E and 540/540E/1000 RPM

Steering: Hydrostatic power steering

Brakes: Hydraulic wet disc brakes

Differential Lock:Shift-on-the-move electro-hydraulic rear differential lock

Cab Options: Foldable ROPS, optional deluxe ROPS, and optional cab with heat and air conditioning

Dimensions & Weight

Wheelbase:Approximately 92.5 inches (234 cm)

Weight: Between 6,393 and 8,000 pounds depending on configuration

Tires (Common Sizes):

Front: 7.5-16 or 12.4R24

Rear: 16.9-30 or 18.4R30

Oil Capacities

Engine Oil Capacity:8.8 quarts (8.3 liters)

Coolant Capacity: 12 quarts (11.4 liters)

Hydraulic System Oil Capacity: 11.9 gallons (45 liters)

Front Hubs: 0.84 quarts (0.8 liters) each

Front Differential: 5.3 quarts (5 liters)

These specifications collectively describe the John Deere 5085M’s power, capacity, and key physical and mechanical attributes.

The engine oil capacity of 8.8 quarts and coolant capacity of around 12 quarts are particularly relevant for maintenance, while the hydraulic capacity and pump flow rates define its hydraulic system performance.

John Deere 5085M Price

The price of a John Deere 5085M tractor currently varies widely depending on factors like model year, condition, hours of use, and features.

Newer and low-hour used models typically range from about $40,000 to $73,000.

Prices found in recent listings show values such as $41,130, $40,900, $72,900, $66,900, and mid-$50,000s for various used tractors.

Some low-hour or premium models can approach the higher end of that range.

The original new price for the 2WD ROPS version was around $41,671, and approximately $52,340 for the 4WD cab model, providing a reference point for new machines.

Used John Deere 5085M tractors with higher hours or older model years can be found for lower prices, sometimes as low as around $13,000 to $30,000, depending on condition and location

John Deere 5085M Common Problems

The common problems and maintenance details for the John Deere 5085M include the following:

Delayed hydraulic response: Hydraulics may take 15-30 seconds to respond at start-up, possibly related to hydraulic filter or oil contamination issues.

PTO operation issues: The PTO switch engages abruptly, possibly bogging the tractor down or choking it if RPMs are not increased prior to engagement. This can cause loud noises or shock loads on implements.

Transmission seal failures: Transmission seals have been known to blow out, causing hydraulic pump starvation and severe transmission damage, which can be costly to repair.

Sensor and emission system faults: Occasionally, emission sensors and related components fail and trigger warning codes.

Parts availability and dealer support challenges: Some users report delays or difficulty obtaining replacement parts and limited dealer support responsiveness.

Maintenance Tips and Service Schedule

Engine oil: Change engine oil initially after 100 hours, then every 300 hours; if using Plus-50 II 15-40 oil, change every 500 hours.

Air filters: Primary and secondary engine air filters typically serviced every 1,200 hours, or annually depending on conditions.

Hydraulic oil and filter: Regularly service hydraulic oil every 100 hours and replace hydraulic oil filter every 600 hours.

Fuel filters: Replace primary and secondary fuel filters about every 500 hours.

Cab filters: Cab air recirculation and fresh air filters should be cleaned roughly every 600 hours or annually.

Open Crankcase Ventilation (OCV) filters and Diesel Particulate Filters (DPF): Replace as required, depending on usage and engine specifics.

Grease points and routine lubrication: Regular greasing of fittings as per manual and environmental conditions.

Fuel tank vent filter: Clean every 1,200 hours or replace if damaged.

Common replacement parts: Include bulbs, belts, hoses, ignition components, seat cushions, and clamps as needed to maintain operational condition.

Users operating in extreme conditions such as heavy dust, extreme heat, or difficult terrain may need to increase service frequency.

Known User Experiences:

Some users have reported transmission seal blowouts leading to almost catastrophic failures requiring major repairs.

Hydraulic whining noises and loss of hydraulics after sitting for some time.

Challenges with aggressive PTO engagement requiring operators to manually adjust RPM before engaging.

Replacement parts like hydraulic pumps and transmission seals often come with long wait times due to limited availability.

Dealer support quality can vary, with some complaints about responsiveness and part availability.

For troubleshooting warning lights and error codes associated with sensors (such as water in fuel sensor), John Deere dashboards show caution lights and can be checked using onboard diagnostics or with dealer assistance.

Regularly following the maintenance schedule with proper filters and oil changes, monitoring hydraulic system condition, and addressing PTO start-up behavior can mitigate many common issues and extend tractor life.

Conclusion

This tractor is suited for diverse utility and agricultural applications, balancing power, hydraulic capacity, and operator comfort.

The John Deere 5085M’s combination of good power, hydraulic performance, and comfort options (like cab with AC and power shuttle transmission) makes it ideal for medium-scale farms, mixed operations, commercial landscaping businesses, and anyone who needs a durable, multipurpose tractor for daily or seasonal use.

Its balance of agility and strength ensures it can perform both fieldwork and loader chores effectively while remaining comfortable for the operator, even over long hours.