Challenger Older models

Manual transmission fluid capacity & service interval

Challenger Older models use manual transmission fluid with a capacity range of 8.5 to 11 liters. Service intervals include checking every 8 hours and changing every 500 hours. The data covers 5 configurations.

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

TypeSpecifications
4800 K (1988-1999)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 8 hours
  • Change 500 hours
  • Code: 6/6
4800 L (1984-1999)
  • Use: Normal
  • Capacity 8,5 liter
  • Check 8 hours
  • Change 500 hours
  • Code: 6/6
6900 D1 (1984-1999)
  • Use: Normal
  • Capacity 11 liter
  • Check 8 hours
  • Change 500 hours
  • Code: 8/2
6900-1 (1984-1999)
  • Use: Normal
  • Capacity 11 liter
  • Check 8 hours
  • Change 500 hours
  • Code: 8/2
6900-2 (1984-1999)
  • Use: Normal
  • Capacity 11 liter
  • Check 8 hours
  • Change 500 hours
  • Code: 8/2

Additional Notes

  • The Challenger 4800 K and 4800 L transaxles share an identical manual transmission fluid capacity of 8.5 liters, placing both units in the same service fill class despite covering different model designations within the 1984-1999 production span.
  • The 6900 series transaxles, covering the D1, 6900-1, and 6900-2 variants from 1984-1999, each carry an 11-liter manual fluid capacity, which is notably larger than the 8.5-liter figure associated with the 4800 series and reflects the greater fluid volume typical of heavier-duty transaxle housings.
  • All five transaxle configurations share a fluid check interval of every 8 operating hours under normal use conditions, a relatively short inspection cycle consistent with the demands placed on manual transaxles in agricultural or heavy equipment applications.
  • The fluid change interval across all listed configurations is set at 500 operating hours under normal use conditions, a figure that translates to a substantial period of active service before a full drain and refill is required.
  • The 4800 K entered the specification record from 1988 onward, while the 4800 L carries a starting year of 1984, meaning the L variant has a longer documented presence within the 1984-1999 window despite sharing the same 8.5-liter capacity and service intervals.
  • The consistent 500-hour change interval applied uniformly across both the 8.5-liter and 11-liter transaxles indicates that fluid volume alone does not alter the prescribed service frequency under normal use conditions in any of the listed configurations.

Other Systems