McCormick CX

Coolant capacity & service interval

McCormick CX models require coolant with a capacity range of 13,4 to 17,5 liters. Service intervals include checking every 10 hours and changing every 2000 hours or 24 months. The data covers 10 configurations.

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

TypeSpecifications
CX 105 (2003-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours
CX 75 (2003-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours
CX 85 (2003-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours
CX 95 (2003-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours
CX 100 (2001-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
CX 50 (2001-2007)
  • Use: Normal
  • Capacity 13,4 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
CX 60 (2001-2007)
  • Use: Normal
  • Capacity 13,4 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
CX 70 (2001-2007)
  • Use: Normal
  • Capacity 13,4 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
CX 80 (2001-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months
CX 90 (2001-2007)
  • Use: Normal
  • Capacity 17,5 liter
  • Check 10 hours
  • Change 2000 hours/ 24 months

Additional Notes

  • The McCormick CX range splits into two distinct cooling system capacities across its model lineup. The CX 50, CX 60, and CX 70 share a 13.4-liter cooling system, while the CX 75, CX 80, CX 85, CX 90, CX 95, CX 100, and CX 105 all carry a 17.5-liter cooling system. The larger capacity reflects the greater engine displacement and thermal load management requirements of the higher-output models.
  • A 10-hour check interval applies uniformly across all CX variants. In agricultural machinery, a 10-hour interval corresponds roughly to daily inspection during active use, making coolant level monitoring a routine part of each working day rather than a periodic service event.
  • The standard coolant change interval across the CX range is 2000 hours. At typical seasonal usage rates for agricultural tractors, 2000 hours represents several years of field operation, placing coolant renewal on a long-cycle maintenance schedule rather than an annual one.
  • Models introduced in 2001 — the CX 50, CX 60, CX 70, CX 80, CX 90, and CX 100 — carry a dual change trigger of 2000 hours or 24 months, whichever comes first. The time-based limit of 24 months accounts for tractors that accumulate hours slowly, ensuring coolant is renewed before chemical degradation occurs regardless of operational intensity.
  • The CX 75, CX 85, CX 95, and CX 105, all introduced in 2003, list only the 2000-hour change interval without a parallel 24-month time limit. This means the change schedule for these models is governed solely by accumulated engine hours.
  • The capacity difference between the two groups — 13.4 liters versus 17.5 liters — represents a difference of 4.1 liters, or roughly 31 percent more coolant volume in the larger-engined variants. A larger coolant volume generally supports greater heat dissipation capacity across the engine block and cylinder head passages.
  • All specifications are listed under normal use conditions, meaning the intervals and capacities apply to standard operating environments rather than severe-duty scenarios such as sustained high-load work in extreme ambient temperatures.

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