The John Deere M655 coolant capacity is 9.51 gal (36 L). The listed coolant is John Deere Cool-Gard II, with 40/60 coolant and water mix guidance.
John Deere M655 Coolant Capacity Specs
| Coolant capacity | 9.51 gal (36 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 40/60 coolant and water mix |
| Engine model | Kohler CH25S |
| Engine horsepower | 25 hp |
| Engine displacement | 44.2 cu in (0.72 L) |
John Deere M655 Coolant Capacity Guide
Coolant capacity guide
Compared with a broad older small tractor guide, not the full tractor dataset.
John Deere M655 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 | Use 9.51 gal (36 L) as the refill amount for the John Deere M655, 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 M655 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 M655 is 40/60 coolant and water mix. Mix ratio affects freeze protection, boil protection and corrosion control |
| Refill check | When refilling the John Deere M655, do not pour in 9.51 gal (36 L) and walk away. Fill slowly, run the engine, let it cool and recheck the level |
| Engine context | For comparison, the John Deere M655 engine details listed here are engine model Kohler CH25S, engine horsepower 25 hp, and engine displacement 44.2 cu in (0.72 L). The coolant capacity remains the service number to use for refilling |
John Deere M655 Coolant Capacity FAQ
What is the John Deere M655 cooling system capacity?
The John Deere M655 coolant capacity is 9.51 gal (36 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 M655?
Use John Deere Cool-Gard II or a coolant that clearly meets the same requirement for the John Deere M655. Do not rely on color alone because coolant color is not a perfect chemistry guide
Does the John Deere M655 need a 50/50 coolant mix?
The John Deere M655 antifreeze guidance is 40/60 coolant and water mix. Check the coolant label before mixing concentrate and water
Can the John Deere M655 coolant level drop after refilling?
The John Deere M655 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 M655 cooling system or just top it up?
Use a full coolant service on the John Deere M655 when the system needs fresh coolant, not just more coolant. Plan the refill around the 9.51 gal (36 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.







