The John Deere 5085M takes 13 litres / 3.4 gallons of engine oil with the filter.
John Deere 5085M Oil Capacity and Type
Engine Oil Capacity
13 L / 3.4 gal with filter
Recommended Oil Type
John Deere Plus-50 II 15W-40 diesel engine oil
Alternative Oil
10W-30 diesel engine oil for cooler operating conditions
Engine
John Deere PowerTech M 4045, 4.5L 4-cylinder diesel
Aspiration
Turbocharged
Cylinders
4-cylinder diesel
Engine Power
85 HP / 63.4 kW
PTO Power
70 HP / 52.2 kW
Oil Change Interval
Initial 100 hours, then every 300 hours; up to 500 hours with Plus-50 II 15W-40 and John Deere filter
How Much Oil Does a John Deere 5085M Take?
The John Deere 5085M takes 13 litres / 3.4 gallons of engine oil with the filter.
Use that as the proper service capacity. Add most of the oil first, run the tractor briefly, let it settle, then check the dipstick and top up to the correct mark.
Do not overfill it. The final check is always the dipstick after the engine has run and the oil has settled.
Quick Specs Overview
13 LEngine Oil
15W-40Oil Type
85 HPEngine Power
70 HPPTO Power
Oil Capacity Comparison
5085M
13 L
5065E
8.5 L
Compact Tractor
4–5 L
Utility Tractor Avg
7–8 L
Best Oil to Use
John Deere Plus-50 II 15W-40 is the best oil choice for the 5085M
15W-40 diesel engine oil suits warm climates and heavy work
10W-30 diesel engine oil can be used in cooler conditions
Use diesel-rated engine oil that meets the correct API specification
Replace the engine oil filter during every proper oil change
Oil Change Intervals
Initial Engine Oil Filter Change
After first 100 hours
Normal Engine Oil / Filter Interval
Every 300 hours
Extended Interval
Up to 500 hours with Plus-50 II 15W-40 and John Deere filter
Fuel Filters
Every 500 hours
Primary Air Filter
Every 1200 hours or annually as required by conditions
Hydraulic Oil Filter
Every 600 hours
Common Mistakes
Using 8.8 qt as the final answer instead of Deere’s 13 L service capacity
Overfilling the crankcase before checking the dipstick
Using petrol engine oil instead of diesel-rated oil
Skipping the oil filter replacement
Confusing engine oil with hydraulic/transmission oil
The John Deere 5085M takes 13 litres / 3.4 gallons of engine oil with the filter. It uses the John Deere PowerTech M 4045 4.5L 4-cylinder turbo diesel engine, producing 85 horsepower and 70 PTO horsepower. The best oil choice is John Deere Plus-50 II 15W-40 diesel engine oil. Change the oil filter after the first 100 hours, then service it every 300 hours, or up to 500 hours when using Plus-50 II oil and a John Deere filter.
