Bell Equipment Timber trucks / forwarders, T

Differential fluid capacity & service interval

Bell Equipment Timber trucks / forwarders, T models require differential fluid with a capacity of 48 liters. The data covers 10 configurations.

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

TypeSpecifications
  • T25 (6x4), ADE 407C
  • Front
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x4), ADE 407C
  • Middle
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x4), Deutz BF6L513RC
  • Front
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x4), Deutz BF6L513RC
  • Middle
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x6), ADE 407C
  • Front
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x6), ADE 407C
  • Middle
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x6), ADE 407C
  • Rear
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x6), Deutz BF6L513RC
  • Front
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x6), Deutz BF6L513RC
  • Middle
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell
  • T25 (6x6), Deutz BF6L513RC
  • Rear
  • Use: Normal
  • Capacity 48 liter
  • Code: Bell

Additional Notes

  • Each differential position across all Bell Equipment Timber trucks / forwarders T25 variants carries a uniform 48-liter capacity, regardless of engine type or drivetrain configuration.
  • The 48-liter per-differential figure is a notably large fill volume, consistent with heavy-duty axle assemblies found in forestry equipment where differentials are physically larger than those in on-road trucks.
  • The T25 in 6x4 configuration, whether fitted with the ADE 407C or the Deutz BF6L513RC engine, has two differentials — front and middle — each holding 48 liters, bringing the total differential fluid volume for that drivetrain layout to 96 liters.
  • The T25 in 6x6 configuration adds a rear differential to the front and middle units, meaning the total differential fluid volume across all three positions reaches 144 liters per vehicle, again consistent across both the ADE 407C and Deutz BF6L513RC engine variants.
  • The presence of a middle differential in both the 6x4 and 6x6 layouts indicates a tandem rear axle arrangement, where an inter-axle differential distributes torque between the rear axle groupings.
  • All capacity values listed are under normal use conditions, meaning the 48-liter figure per differential applies to standard service fills rather than a post-overhaul or dry-fill scenario that might differ.
  • The ADE 407C and Deutz BF6L513RC are both diesel engines, and the fact that differential fluid capacities are identical across both engine variants confirms the drivetrain hardware — not the engine — determines the differential fill volume.

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