The John Deere 4630 coolant capacity is 9 gal (34.1 L). The listed coolant is John Deere Cool-Gard II, with 40/60 coolant and water mix guidance.
John Deere 4630 Coolant Capacity Specs
| Coolant capacity | 9 gal (34.1 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 40/60 coolant and water mix |
| Engine horsepower | 150 hp |
| Engine displacement | 404 cu in (6.62 L) |
John Deere 4630 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad compact tractor guide, not the full tractor dataset.
John Deere 4630 Coolant Service Notes
| Coolant capacity note | For the John Deere 4630, the coolant capacity is 9 gal (34.1 L). That is the buying and refill guide for a full cooling-system service |
|---|---|
| Coolant service note | Use 9 gal (34.1 L) as the refill amount for the John Deere 4630, but do not mix coolant types blindly. The listed coolant detail is John Deere Cool-Gard II and 40/60 coolant and water mix |
| Coolant type note | The listed coolant type for the John Deere 4630 is John Deere Cool-Gard II. Match the coolant chemistry before topping up or flushing the system |
| Antifreeze mix note | The listed antifreeze mix for the John Deere 4630 is 40/60 coolant and water mix. Mix ratio affects freeze protection, boil protection and corrosion control |
| Refill check | When refilling the John Deere 4630, do not pour in 9 gal (34.1 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level |
| Engine context | The John Deere 4630 engine specs listed with this page are engine horsepower 150 hp and engine displacement 404 cu in (6.62 L). They help identify the machine, but they are not a substitute for the coolant capacity |
John Deere 4630 Coolant Capacity FAQ
What is the John Deere 4630 coolant capacity?
The John Deere 4630 coolant capacity is 9 gal (34.1 L). Use this as the cooling-system refill amount and recheck the level after warm-up and cool-down
Which coolant is listed for the John Deere 4630?
Use John Deere Cool-Gard II or a coolant that clearly meets the same requirement for the John Deere 4630. Do not rely on color alone because coolant color is not a perfect chemistry guide
Does the John Deere 4630 need a 50/50 coolant mix?
If using concentrate for the John Deere 4630, mix it to 40/60 coolant and water mix before filling unless the product label says it is already premixed
What should I check after refilling coolant in the John Deere 4630?
The John Deere 4630 may need a small top-up after the first heat cycle. Fill slowly, watch for leaks and recheck the level when cool
Is a coolant top-up enough before using the John Deere 4630?
Use a full coolant service on the John Deere 4630 when the system needs fresh coolant, not just more coolant. Plan the refill around the 9 gal (34.1 L) capacity
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.



