Case - IH JX Maxxima

Coolant capacity & service interval

Case - IH JX Maxxima coolant capacity ranges from 12 to 16 liters. Service intervals include checking at 50 hours and changing at 1200 hours or 24 months. The data covers 9 configurations.

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

TypeSpecifications
JX55 (2004-2008)
  • Use: Normal
  • Capacity 12 liter
  • Capacity 14 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX60 (2004-2008)
  • Use: Normal
  • Capacity 12 liter
  • Capacity 14 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX65 (2004-2008)
  • Use: Normal
  • Capacity 12 liter
  • Capacity 14 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX70 (2004-2008)
  • Use: Normal
  • Capacity 12 liter
  • Capacity 14 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX75 (2004-2008)
  • Use: Normal
  • Capacity 14 liter
  • Capacity 16 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX80 (2004-2008)
  • Use: Normal
  • Capacity 14 liter
  • Capacity 16 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX85 (2004-2008)
  • Use: Normal
  • Capacity 14 liter
  • Capacity 16 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX90 (2004-2008)
  • Use: Normal
  • Capacity 14 liter
  • Capacity 16 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months
JX95 (2004-2008)
  • Use: Normal
  • Capacity 14 liter
  • Capacity 16 liter (+ cabin)
  • Check 50 hours
  • Change 1200 hours/ 24 months

Additional Notes

  • Across the Case-IH JX Maxxima range (2004-2008), cooling system capacity is listed in two figures per model: a base capacity and a higher capacity that applies when a cabin heater circuit is included. The cabin addition represents a fixed 2-liter increase across all nine models in the lineup.
  • The JX55, JX60, JX65, and JX70 share a base cooling system capacity of 12 liters, rising to 14 liters with the cabin circuit. The JX75, JX80, JX85, JX90, and JX95 carry a base capacity of 14 liters, rising to 16 liters with the cabin circuit.
  • The capacity split between the two groups aligns with the model number boundary at JX75, where the base figure steps up from 12 to 14 liters. Both the base and cabin-equipped figures increase by the same 2-liter increment at that boundary.
  • The coolant check interval is set at 50 hours across all nine models. In agricultural equipment, a 50-hour check interval is a relatively short cycle, consistent with routine inspection rather than fluid replacement, allowing early detection of concentration loss or contamination.
  • The coolant change interval is specified as 1200 hours or 24 months, whichever comes first, and applies uniformly across all models under normal use conditions. The dual-trigger format means calendar time can mandate a change even when the hour threshold has not been reached, which is relevant for machines with lower annual utilization.
  • The 1200-hour change interval is a common benchmark for extended-life or conventional coolant formulations in agricultural tractors, reflecting the thermal and chemical demands of sustained field operation rather than the longer intervals associated with fully formulated extended-life antifreeze products.

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