Coolant capacity for the John Deere 45R is 9.51 gal (36 L). The coolant type is listed as John Deere Cool-Gard II, and the antifreeze mix is 60/40 coolant and water mix.
John Deere 45R Coolant Capacity Specs
| Coolant capacity | 9.51 gal (36 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 60/40 coolant and water mix |
| Engine horsepower | 35 hp |
| Engine displacement | 100.7 cu in (1.65 L) |
John Deere 45R Coolant Capacity Guide
Coolant capacity guide
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere 45R Coolant Service Notes
| Coolant capacity note | The useful service number here is 9.51 gal (36 L). Keep some extra coolant available because trapped air can lower the level after the first warm-up |
|---|---|
| Coolant service note | A proper coolant change on the John Deere 45R means using the 9.51 gal (36 L) capacity and keeping the coolant chemistry consistent with John Deere Cool-Gard II and 60/40 coolant and water mix |
| Coolant type note | For the John Deere 45R, 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 45R coolant mix guidance is 60/40 coolant and water mix. This matters most in freezing weather, hot work and long service intervals |
| Refill check | For the John Deere 45R, 9.51 gal (36 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 45R engine specs listed with this page are engine horsepower 35 hp and engine displacement 100.7 cu in (1.65 L). They help identify the machine, but they are not a substitute for the coolant capacity |
John Deere 45R Coolant Capacity FAQ
What is the John Deere 45R cooling system capacity?
The listed coolant amount for the John Deere 45R is 9.51 gal (36 L). It is a refill guide, not a reason to ignore the actual level marks
What coolant is recommended for the John Deere 45R?
The John Deere 45R 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 45R use?
For the John Deere 45R, the coolant mix is listed as 60/40 coolant and water mix. Do not dilute the system with too much plain water
Can the John Deere 45R coolant level drop after refilling?
After refilling the John Deere 45R, 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 flush the John Deere 45R cooling system or just top it up?
A top-up is only a level correction. A flush is the better choice if the John Deere 45R has rusty coolant, oil contamination, mixed coolant types or repeated overheating
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.
