Coolant capacity for the John Deere 5125R is 1.59 gal (6 L). The coolant type is listed as John Deere Cool-Gard II, and the antifreeze mix is 40/60 coolant and water mix.
John Deere 5125R Coolant Capacity Specs
| Coolant capacity | 1.59 gal (6 L) |
|---|---|
| Coolant type | John Deere Cool-Gard II |
| Antifreeze mix | 40/60 coolant and water mix |
| Engine horsepower | 125 hp |
| Engine displacement | 276.4 cu in (4.53 L) |
John Deere 5125R Coolant Capacity Guide
Coolant capacity guide
Compared with a broad utility tractor guide, not the full tractor dataset.
John Deere 5125R Coolant Service Notes
| Coolant capacity note | The useful service number here is 1.59 gal (6 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 5125R means using the 1.59 gal (6 L) capacity and keeping the coolant chemistry consistent with John Deere Cool-Gard II and 40/60 coolant and water mix |
| Coolant type note | For the John Deere 5125R, 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 5125R coolant mix guidance is 40/60 coolant and water mix. This matters most in freezing weather, hot work and long service intervals |
| Refill check | For the John Deere 5125R, 1.59 gal (6 L) is the planned refill amount. The final level may need a small top-up after trapped air leaves the system |
| Engine context | The engine context for the John Deere 5125R is engine horsepower 125 hp and engine displacement 276.4 cu in (4.53 L). Use this for comparison only; the refill amount is the coolant capacity above |
John Deere 5125R Coolant Capacity FAQ
What is the John Deere 5125R cooling system capacity?
For coolant service, the John Deere 5125R is listed at 1.59 gal (6 L). Buy enough coolant for that amount and confirm the final level at the machine
What coolant is recommended for the John Deere 5125R?
The listed coolant type for the John Deere 5125R is John Deere Cool-Gard II. Match that coolant chemistry before topping up or flushing the system
Should I use premixed coolant in the John Deere 5125R?
The John Deere 5125R uses 40/60 coolant and water mix where that mix is specified. Confirm the mix against your climate and manual
Can the John Deere 5125R coolant level drop after refilling?
Do not judge the job only by pouring in 1.59 gal (6 L). The final check is the actual radiator or overflow level after the system has burped air
Should I flush the John Deere 5125R cooling system or just top it up?
Topping up is fine for a small low-level correction. If the coolant is old, rusty, oily, diluted or the wrong type, drain and flush the system using the 1.59 gal (6 L) capacity as the refill guide
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.
