The John Deere 520 coolant capacity is 9.59 gal (36.3 L). Use this as the cooling-system refill amount and recheck the level after the engine cools.
Coolant capacity9.59 gal (36.3 L)Cooling system refill amount
John Deere 520 Coolant Capacity Specs
Coolant capacity
9.59 gal (36.3 L)
Engine horsepower
37.5 hp
Engine displacement
189.8 cu in (3.11 L)
John Deere 520 Coolant Capacity Guide
Coolant capacity guide
This model
9.59 gal
Class low
0.8 gal
Class typical
2.5 gal
Class high
5 gal
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere 520 Coolant Service Notes
Coolant capacity note
The John Deere 520 cooling system is listed at 9.59 gal (36.3 L). Final level can settle after the first heat cycle, so recheck the level after service
Coolant service note
After refilling the John Deere 520, run it to operating temperature and recheck after cool-down. Air pockets can make the level drop
Refill check
For the John Deere 520, 9.59 gal (36.3 L) is the planned refill amount. The final level may need a small top-up after trapped air leaves the system
Engine context
The John Deere 520 engine specs listed with this page are engine horsepower 37.5 hp and engine displacement 189.8 cu in (3.11 L). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere 520 Coolant Capacity FAQ
What is the refill amount for the John Deere 520 cooling system?
For coolant service, the John Deere 520 is listed at 9.59 gal (36.3 L). Buy enough coolant for that amount and confirm the final level at the machine
Should I run the John Deere 520 after adding coolant?
Do not judge the job only by pouring in 9.59 gal (36.3 L). The final check is the actual radiator or overflow level after the system has burped air
When is a full coolant flush better than a top-up on the John Deere 520?
Topping up is fine for a small low-level correction. If the coolant is old, rusty, oily, diluted or the wrong type, drain and flush the system using the 9.59 gal (36.3 L) capacity as the refill guide
Official information note
Mistakes do happen. Tractor coolant capacity and coolant type can change by year, market, engine, radiator setup and service procedure. Check the operator manual, service manual and official deere.com website before draining, flushing or refilling the cooling system.
