Unimog (MB) 437

Clutch fluid capacity & service interval

Unimog (MB) 437 clutch fluid capacity is 0,2 liter. Service intervals include a 300 hour check and a 12 month change. The data covers 4 configurations.

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

TypeSpecifications
U 1350 L U 1500 (437) (1992-2001)
  • Use: Normal
  • Capacity 0,2 liter
  • Check 300 hours
  • Change 12 months
U 1800, 1850 L, 1850 L 38 (437) (1992-2001)
  • Use: Normal
  • Capacity 0,2 liter
  • Check 300 hours
  • Change 12 months
U 2450, 2450 L, 2450 L 38 (437) (1992-2001)
  • Use: Normal
  • Capacity 0,2 liter
  • Check 300 hours
  • Change 12 months
U 2150, 2150 L, 2150 L 38 (437) (1991-2001)
  • Use: Normal
  • Capacity 0,2 liter
  • Check 300 hours
  • Change 12 months

Additional Notes

  • The Unimog (MB) 437 hydraulic clutch system holds a capacity of 0.2 liter across all listed variants, including the U 1350 L / U 1500, U 1800 / 1850 L / 1850 L 38, U 2150 / 2150 L / 2150 L 38, and U 2450 / 2450 L / 2450 L 38.
  • A 0.2 liter capacity is a notably small fluid volume, consistent with a self-contained hydraulic clutch actuation circuit rather than a shared or high-volume hydraulic system.
  • The change interval for the hydraulic clutch fluid is set at 12 months across all four variant groups, applying under normal use conditions.
  • A time-based annual change interval, rather than a mileage-based one, reflects the operational nature of the Unimog platform, which accumulates service hours in variable-speed working conditions where odometer distance is not a reliable service metric.
  • A fluid level check is specified at 300 hours for all listed variants under normal use, establishing a separate inspection point that falls within the annual change cycle.
  • The 300-hour check interval is an hours-based threshold, which aligns with the Unimog's use as a working vehicle where engine hours are tracked alongside or instead of distance traveled.
  • The U 2150 group carries a starting year of 1991, making it the earliest-introduced variant among the four groups listed, while the remaining three groups share a 1992 start year, all running through 2001.
  • Despite spanning different payload and configuration designations, all four variant groups share identical clutch fluid capacity, check interval, and change interval specifications under normal use conditions.

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