For the John Deere 6615, coolant capacity is 6.6 gal (25 L). Fill slowly and recheck the radiator or overflow level after the first heat cycle.
Coolant capacity6.6 gal (25 L)Cooling system refill amount
John Deere 6615 Coolant Capacity Specs
Coolant capacity
6.6 gal (25 L)
Engine horsepower
116.7 hp
Engine displacement
414 cu in (6.78 L)
John Deere 6615 Coolant Capacity Guide
Coolant capacity guide
This model
6.6 gal
Class low
6 gal
Class typical
9.5 gal
Class high
14 gal
Compared with a broad 6 series guide, not the full tractor dataset.
John Deere 6615 Coolant Service Notes
Coolant capacity note
For the John Deere 6615, the coolant capacity is 6.6 gal (25 L). That is the buying and refill guide for a full cooling-system service
Coolant service note
Use 6.6 gal (25 L) as the refill guide for the John Deere 6615. The final level should still be confirmed at the radiator or overflow bottle
Refill check
Use the 6.6 gal (25 L) capacity to buy enough coolant for the John Deere 6615, but finish the job by checking the actual level marks
Engine context
For comparison, the John Deere 6615 engine details listed here are engine horsepower 116.7 hp and engine displacement 414 cu in (6.78 L). The coolant capacity remains the service number to use for refilling
John Deere 6615 Coolant Capacity FAQ
How many litres of coolant does the John Deere 6615 take?
Use 6.6 gal (25 L) as the coolant-change amount for the John Deere 6615. The final level should still be checked at the radiator or overflow bottle
How do I avoid air pockets when refilling the John Deere 6615 coolant?
The 6.6 gal (25 L) number helps you plan the refill. The actual finish point is the correct level mark after warm-up, cool-down and leak checking
Should old coolant be drained from the John Deere 6615?
For the John Deere 6615, use the 6.6 gal (25 L) capacity when planning a full drain or flush. Topping up only solves low level, not worn-out coolant
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.
