The John Deere G coolant capacity is 11 gal (41.6 L). Use this as the cooling-system refill amount and recheck the level after the engine cools.
Coolant capacity11 gal (41.6 L)Cooling system refill amount
John Deere G Coolant Capacity Specs
Coolant capacity
11 gal (41.6 L)
Engine horsepower
34 hp
Engine displacement
6.8 L (415 cu in)
John Deere G Coolant Capacity Guide
Coolant capacity guide
This model
11 gal
Class low
1 gal
Class typical
6 gal
Class high
18 gal
Compared with a broad tractor guide, not the full tractor dataset.
John Deere G Coolant Service Notes
Coolant capacity note
The John Deere G cooling system is listed at 11 gal (41.6 L). Final level can settle after the first heat cycle, so recheck the level after service
Coolant service note
After refilling the John Deere G, run it to operating temperature and recheck after cool-down. Air pockets can make the level drop
Refill check
For the John Deere G, 11 gal (41.6 L) is the planned refill amount. The final level may need a small top-up after trapped air leaves the system
Engine context
The engine context for the John Deere G is engine horsepower 34 hp and engine displacement 6.8 L (415 cu in). Use this for comparison only; the refill amount is the coolant capacity above
John Deere G Coolant Capacity FAQ
What is the refill amount for the John Deere G cooling system?
For coolant service, the John Deere G is listed at 11 gal (41.6 L). Buy enough coolant for that amount and confirm the final level at the machine
Should I run the John Deere G after adding coolant?
Do not judge the job only by pouring in 11 gal (41.6 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 G?
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 11 gal (41.6 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.
