The John Deere 6125D takes 9.51 gal (36 L) of coolant. Use coolant compatible with John Deere Cool-Gard II and follow the listed For the John Deere 6125D tractor, the recommended coolant type is John Deere COOL-GARD guidance.
Coolant capacity9.51 gal (36 L)Cooling system refill amount
Antifreeze mixFor the John Deere 6125D tractor, the recommended coolant type is John Deere COOL-GARDFreeze/boil protection
John Deere 6125D Coolant Capacity Specs
Coolant capacity
9.51 gal (36 L)
Coolant type
John Deere Cool-Gard II
Antifreeze mix
For the John Deere 6125D tractor, the recommended coolant type is John Deere COOL-GARD
Engine horsepower
125 hp
Engine displacement
4.5 L (274.6 cu in)
John Deere 6125D Coolant Capacity Guide
Coolant capacity guide
This model
9.51 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 6125D Coolant Service Notes
Coolant capacity note
The main coolant number for the John Deere 6125D is 9.51 gal (36 L). Use it as the cooling-system refill amount, then check the radiator or overflow level after the engine has warmed up and cooled down
Coolant service note
The John Deere 6125D cooling system should be refilled close to 9.51 gal (36 L), with coolant choice guided by John Deere Cool-Gard II and For the John Deere 6125D tractor, the recommended coolant type is John Deere COOL-GARD
Coolant type note
Coolant type matters on the John Deere 6125D. The listed type is John Deere Cool-Gard II, so avoid mixing random antifreeze unless compatibility is clear
Antifreeze mix note
For the John Deere 6125D, the antifreeze mix is listed as For the John Deere 6125D tractor, the recommended coolant type is John Deere COOL-GARD. Use the correct mix rather than topping up repeatedly with plain water
Refill check
Use the 9.51 gal (36 L) capacity to buy enough coolant for the John Deere 6125D, but finish the job by checking the actual level marks
Engine context
The John Deere 6125D engine specs listed with this page are engine horsepower 125 hp and engine displacement 4.5 L (274.6 cu in). They help identify the machine, but they are not a substitute for the coolant capacity
John Deere 6125D Coolant Capacity FAQ
What is the full coolant refill capacity for the John Deere 6125D?
Use 9.51 gal (36 L) as the coolant-change amount for the John Deere 6125D. The final level should still be checked at the radiator or overflow bottle
What coolant should I put in the John Deere 6125D?
Use coolant compatible with John Deere Cool-Gard II for the John Deere 6125D. Capacity tells you how much; coolant type tells you what to use
What antifreeze ratio is listed for the John Deere 6125D?
Use the listed For the John Deere 6125D tractor, the recommended coolant type is John Deere COOL-GARD mix when refilling the John Deere 6125D. Too much water weakens protection; too much concentrate can also reduce cooling performance
Should the John Deere 6125D coolant be checked hot or cold?
The 9.51 gal (36 L) number helps you plan the refill. The actual finish point is the correct level mark after warm-up, cool-down and leak checking
What signs mean the John Deere 6125D coolant should be flushed?
For the John Deere 6125D, use the 9.51 gal (36 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.
