For the John Deere 9RX 490, coolant capacity is 16.9 gal (64 L). Coolant choice is listed as John Deere Cool-Gard II, with The recommended coolant for the John Deere 9R 490 tractor is John Deere COOL-GARD II guidance.
John Deere 9RX 490 Coolant Capacity Specs
| Coolant capacity | 16.9 gal (64 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | The recommended coolant for the John Deere 9R 490 tractor is John Deere COOL-GARD II |
| Engine horsepower | 482.8 hp |
| Engine displacement | 826.9 cu in (13.55 L) |
John Deere 9RX 490 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad 9 series guide, not the full tractor dataset.
John Deere 9RX 490 Coolant Service Notes
| Coolant capacity note | The John Deere 9RX 490 cooling system is listed at 16.9 gal (64 L). Final level can settle after the first heat cycle, so recheck the level after service |
|---|---|
| Coolant service note | For a full coolant service on the John Deere 9RX 490, plan around 16.9 gal (64 L) and match the listed coolant guidance: John Deere Cool-Gard II and The recommended coolant for the John Deere 9R 490 tractor is John Deere COOL-GARD II |
| Coolant type note | The John Deere 9RX 490 coolant type is John Deere Cool-Gard II. Wrong coolant chemistry can reduce corrosion, freeze and boil protection |
| Antifreeze mix note | The listed mix for the John Deere 9RX 490 is The recommended coolant for the John Deere 9R 490 tractor is John Deere COOL-GARD II. Keep the coolant strength in range after a drain, flush or top-up |
| Refill check | After a drain and refill on the John Deere 9RX 490, the cooling system can burp air. Recheck the level after the first warm-up and cool-down cycle |
| Engine context | The engine context for the John Deere 9RX 490 is engine horsepower 482.8 hp and engine displacement 826.9 cu in (13.55 L). Use this for comparison only; the refill amount is the coolant capacity above |
John Deere 9RX 490 Coolant Capacity FAQ
How much coolant does the John Deere 9RX 490 take?
The cooling system capacity for the John Deere 9RX 490 is 16.9 gal (64 L). This is the main refill figure for a drain, flush or coolant change
Does the John Deere 9RX 490 use John Deere Cool-Gard coolant?
For the John Deere 9RX 490, the coolant type is listed as John Deere Cool-Gard II. Avoid mixing incompatible coolant products
What mix ratio should I use when refilling the John Deere 9RX 490?
The John Deere 9RX 490 coolant mix guidance is The recommended coolant for the John Deere 9R 490 tractor is John Deere COOL-GARD II. Keep the mix consistent when topping up so freeze and boil protection stay in range
Do I need to recheck coolant level after servicing the John Deere 9RX 490?
Fill the John Deere 9RX 490 slowly, run it with the heater/thermostat cycle where applicable, let it cool and check the level again. That helps catch trapped air
When should contaminated coolant be replaced in the John Deere 9RX 490?
Flush the John Deere 9RX 490 cooling system if the coolant is dirty, contaminated, badly diluted or overdue for service. A simple top-up does not fix old coolant chemistry
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.







