John Deere 8RX series

Coolant capacity & service interval

John Deere 8RX series coolant capacity ranges from 42,3 to 47 liters. Service intervals include checks at 10 hours and changes at 2000 hours or 24 months. The data covers 8 configurations.

The configuration chart below lists fill volumes and service intervals for each engine and trim variant.

TypeSpecifications
8RX 310, 801001 -> 806000 (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 310, 806001 -> (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 340, 801001 -> 806000 (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 340, 806001 -> (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 370, 801001 -> 806000 (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 370, 806001 -> (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 410, 801001 -> 806000 (2019- )
  • Use: Normal
  • Capacity 42,3 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
8RX 410, 806001 -> (2019- )
  • Use: Normal
  • Capacity 47 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months

Additional Notes

  • The John Deere 8RX series cooling system capacity of 42.3 liters applies uniformly across the 8RX 310, 8RX 340, 8RX 370, and 8RX 410 in the serial number range 801001 to 806000. A figure of this size reflects a full system fill volume, accounting for the engine block, cylinder head passages, radiator, hoses, and reservoir rather than a partial or top-up quantity.
  • The 8RX 410 in the serial number range 806001 onward carries a notably larger cooling system capacity of 47 liters, compared to the 42.3 liters specified for the earlier 801001–806000 serial range of the same model. This 4.7-liter increase between production serial ranges of the 8RX 410 indicates a hardware revision to the cooling circuit introduced at that serial number boundary.
  • All other variants in the 806001-onward serial range, specifically the 8RX 310, 8RX 340, and 8RX 370, retain the 42.3-liter capacity seen in the earlier serial range, making the 8RX 410 the sole model where a capacity change occurs across the two serial number groups.
  • The coolant check interval of 10 hours is consistent across all 8RX series variants and serial ranges listed. A 10-hour interval corresponds roughly to daily checks during active field operation, which is standard practice for high-load agricultural equipment where coolant level loss or temperature anomalies can develop quickly.
  • The coolant change interval of 2000 hours or 24 months, whichever comes first, applies uniformly to all listed configurations under normal use conditions. The dual-trigger format means time elapsed can mandate a change even when the hourly threshold has not been reached, which is relevant for machines operating at lower annual hours.
  • A 2000-hour change interval is consistent with extended-life coolant formulations, which are designed to maintain corrosion inhibitor effectiveness over long service periods in heavy-duty diesel engines. Standard coolants typically require more frequent changes, so the 2000-hour figure reflects the use of a long-life coolant type in the 8RX series cooling system.

Other Systems