Coolant capacity for the John Deere 6R 155 is 1 gal (3.7 L). The coolant type is listed as John Deere Cool-Gard II, and the antifreeze mix is For the John Deere 6R 155 tractor, the recommended coolant is John Deere COOL-GARD II.
Coolant capacity1 gal (3.7 L)Cooling system refill amount
Antifreeze mixFor the John Deere 6R 155 tractor, the recommended coolant is John Deere COOL-GARD IIFreeze/boil protection
John Deere 6R 155 Coolant Capacity Specs
Coolant capacity
1 gal (3.7 L)
Coolant type
John Deere Cool-Gard II
Antifreeze mix
For the John Deere 6R 155 tractor, the recommended coolant is John Deere COOL-GARD II
Engine horsepower
167.6 hp
Engine displacement
415 cu in (6.8 L)
John Deere 6R 155 Coolant Capacity Guide
Coolant capacity guide
This model
1 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 6R 155 Coolant Service Notes
Coolant capacity note
The John Deere 6R 155 coolant capacity is 1 gal (3.7 L). Treat it as a cooling-system amount, not a radiator-only top-up amount
Coolant service note
A proper coolant change on the John Deere 6R 155 means using the 1 gal (3.7 L) capacity and keeping the coolant chemistry consistent with John Deere Cool-Gard II and For the John Deere 6R 155 tractor, the recommended coolant is John Deere COOL-GARD II
Coolant type note
For the John Deere 6R 155, coolant choice is listed as John Deere Cool-Gard II. Capacity tells you how much; coolant type tells you what to use
Antifreeze mix note
The John Deere 6R 155 coolant mix guidance is For the John Deere 6R 155 tractor, the recommended coolant is John Deere COOL-GARD II. This matters most in freezing weather, hot work and long service intervals
Refill check
For the John Deere 6R 155, 1 gal (3.7 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 6R 155 is engine horsepower 167.6 hp and engine displacement 415 cu in (6.8 L). Use this for comparison only; the refill amount is the coolant capacity above
John Deere 6R 155 Coolant Capacity FAQ
What coolant amount is listed for the John Deere 6R 155?
The listed coolant amount for the John Deere 6R 155 is 1 gal (3.7 L). It is a refill guide, not a reason to ignore the actual level marks
What coolant type does the John Deere 6R 155 use?
The John Deere 6R 155 is listed with John Deere Cool-Gard II coolant guidance. If topping up, match the existing coolant type instead of mixing random antifreeze
What antifreeze mix should the John Deere 6R 155 use?
Use the listed For the John Deere 6R 155 tractor, the recommended coolant is John Deere COOL-GARD II mix when refilling the John Deere 6R 155. Too much water weakens protection; too much concentrate can also reduce cooling performance
What is the final check after a John Deere 6R 155 coolant change?
After refilling the John Deere 6R 155, run the engine to operating temperature, let it cool and recheck the radiator or overflow level. Air pockets can make the level drop
Should I drain and refill the John Deere 6R 155 coolant system?
A top-up is only a level correction. A flush is the better choice if the John Deere 6R 155 has rusty coolant, oil contamination, mixed coolant types or repeated overheating
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.
