John Deere 8RX 490 Coolant Capacity

Quick answer:

For the John Deere 8RX 490, coolant capacity is 1.59 gal (6 L). Fill slowly and recheck the radiator or overflow level after the first heat cycle.

Coolant capacity1.59 gal (6 L)Cooling system refill amount

John Deere 8RX 490 Coolant Capacity Specs

Coolant capacity 1.59 gal (6 L)

John Deere 8RX 490 Coolant Capacity Guide

Coolant capacity guide

This model

1.59 gal

Class low

10 gal

Class typical

16 gal

Class high

24 gal

Compared with a broad 8 series guide, not the full tractor dataset.

John Deere 8RX 490 Coolant Service Notes

Coolant capacity note For the John Deere 8RX 490, the coolant capacity is 1.59 gal (6 L). That is the buying and refill guide for a full cooling-system service
Coolant service note After refilling the John Deere 8RX 490, run it to operating temperature and recheck after cool-down. Air pockets can make the level drop
Refill check For the John Deere 8RX 490, 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

John Deere 8RX 490 Coolant Capacity FAQ

What is the John Deere 8RX 490 coolant capacity?

For coolant service, the John Deere 8RX 490 is listed at 1.59 gal (6 L). Buy enough coolant for that amount and confirm the final level at the machine

What should I check after refilling coolant in the John Deere 8RX 490?

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

Is a coolant top-up enough before using the John Deere 8RX 490?

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

Official information note

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.