The John Deere 670 coolant capacity is 14 gal (53 L). The listed coolant is John Deere Cool-Gard II, with The recommended coolant for the John Deere 670 tractor is John Deere Cool-Gard II or John guidance.
John Deere 670 Coolant Capacity Specs
| Coolant capacity | 14 gal (53 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | The recommended coolant for the John Deere 670 tractor is John Deere Cool-Gard II or John |
| Engine model | Yanmar 3TNA72 |
| Engine horsepower | 18.5 hp |
| Engine displacement | 53.6 cu in (0.88 L) |
John Deere 670 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere 670 Coolant Service Notes
| Coolant capacity note | The useful service number here is 14 gal (53 L). Keep some extra coolant available because trapped air can lower the level after the first warm-up |
|---|---|
| Coolant service note | Use 14 gal (53 L) as the refill amount for the John Deere 670, but do not mix coolant types blindly. The listed coolant detail is John Deere Cool-Gard II and The recommended coolant for the John Deere 670 tractor is John Deere Cool-Gard II or John |
| Coolant type note | The listed coolant type for the John Deere 670 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 670 is The recommended coolant for the John Deere 670 tractor is John Deere Cool-Gard II or John. Mix ratio affects freeze protection, boil protection and corrosion control |
| Refill check | When refilling the John Deere 670, do not pour in 14 gal (53 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level |
| Engine context | The John Deere 670 engine specs listed with this page are engine model Yanmar 3TNA72, engine horsepower 18.5 hp, and engine displacement 53.6 cu in (0.88 L). They help identify the machine, but they are not a substitute for the coolant capacity |
John Deere 670 Coolant Capacity FAQ
What is the John Deere 670 cooling system capacity?
The John Deere 670 coolant capacity is 14 gal (53 L). Use this as the cooling-system refill amount and recheck the level after warm-up and cool-down
What coolant is recommended for the John Deere 670?
Use John Deere Cool-Gard II or a coolant that clearly meets the same requirement for the John Deere 670. Do not rely on color alone because coolant color is not a perfect chemistry guide
Does the John Deere 670 need a 50/50 coolant mix?
The John Deere 670 coolant mix guidance is The recommended coolant for the John Deere 670 tractor is John Deere Cool-Gard II or John. Keep the mix consistent when topping up so freeze and boil protection stay in range
Can the John Deere 670 coolant level drop after refilling?
The John Deere 670 may need a small top-up after the first heat cycle. Fill slowly, watch for leaks and recheck the level when cool
Should I flush the John Deere 670 cooling system or just top it up?
Use a full coolant service on the John Deere 670 when the system needs fresh coolant, not just more coolant. Plan the refill around the 14 gal (53 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.







