Holder P series

Automatic transmission fluid capacity & service interval

Holder P series automatic transmission fluid capacity ranges from 16 to 18 liters. Service intervals consist of a 150 hour check and a 1500 hour or 12 month change. The data covers 5 configurations.

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

TypeSpecifications
  • P 30 (1990-1991)
  • Hydrostatic/hydraulic system
  • Use: Normal
  • Capacity 18 liter
  • Check 150 hours
  • Change 1500 hours/ 12 months
  • P 70 (1990- )
  • Hydrostatic/hydraulic system
  • Use: Normal
  • Capacity 18 liter
  • Check 150 hours
  • Change 1500 hours/ 12 months
  • P 70 A 4WD (1990- )
  • Hydrostatic/hydraulic system
  • Use: Normal
  • Capacity 18 liter
  • Check 150 hours
  • Change 1500 hours/ 12 months
  • P 30 (1984-1990)
  • Hydrostatic/hydraulic system
  • Use: Normal
  • Capacity 16 liter
  • Check 150 hours
  • Change 1500 hours/ 12 months
  • P 70 (1984-1990)
  • Hydrostatic/hydraulic system
  • Use: Normal
  • Capacity 16 liter
  • Check 150 hours
  • Change 1500 hours/ 12 months

Additional Notes

  • The Holder P series covers a combined transmission, hydrostatic, and hydraulic system under a single fluid capacity figure, meaning the listed liters represent the total shared fluid volume across all three functions rather than a standalone transmission sump.
  • The P 30 produced from 1984-1990 carries a 16-liter capacity for the transmission, hydrostatic, and hydraulic system, while the P 30 from 1990-1991 specifies 18 liters for the same system, reflecting a 2-liter increase between the two production periods.
  • The same capacity shift from 16 liters to 18 liters appears in the P 70 line, with the 1984-1990 variant holding 16 liters and the 1990 onward variant holding 18 liters for the combined transmission, hydrostatic, and hydraulic system.
  • The P 70 A 4WD from 1990 onward shares the 18-liter capacity figure with the standard P 70 of the same period, indicating the addition of four-wheel drive hardware did not alter the specified fluid volume for the combined system.
  • All five configurations share an identical fluid check interval of 150 hours under normal use conditions, a figure that reflects the operating-hour-based maintenance scheduling typical of compact utility and grounds-care equipment rather than calendar-based intervals alone.
  • The fluid change interval across all P series configurations is specified at 1500 hours or 12 months under normal use, whichever comes first. The dual-trigger format means a machine with low annual hours would still require a fluid change on the 12-month calendar cycle.
  • The ratio between the check interval and the change interval is 1:10, meaning the fluid level is to be inspected ten times for every full drain-and-fill service cycle across all listed configurations.

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