Lamborghini 350 GT

Differential fluid capacity & service interval

Lamborghini 350 GT differential fluid capacity is 1,55 liters. Service intervals include changes at 600 miles and 6000 miles. The data covers 4 configurations.

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

TypeSpecifications
  • 350 GT (1963-1966)
  • Rear (Salisbury)
  • Use: Normal
  • Capacity 1,55 liter
  • Change 6000 miles
  • Code: 4HA
  • 350 GT (1963-1966)
  • Rear (Salisbury)
  • Use: First change only
  • Capacity 1,55 liter
  • Change 600 miles
  • Code: 4HA
  • 350 GT (1963-1966)
  • Rear, limited slip (Salisbury)
  • Use: Normal
  • Capacity 1,55 liter
  • Change 6000 miles
  • Code: 4HA
  • 350 GT (1963-1966)
  • Rear, limited slip (Salisbury)
  • Use: First change only
  • Capacity 1,55 liter
  • Change 600 miles
  • Code: 4HA

Additional Notes

  • The Lamborghini 350 GT rear differential uses a Salisbury-type unit, which is a hypoid gear differential design commonly found in performance and GT vehicles of the 1960s, known for its strength and compact packaging.
  • Fluid capacity for the rear Salisbury differential is 1.55 liters across all listed configurations, a figure consistent with a service fill level rather than a full overhaul or drain-and-refill of a larger axle assembly.
  • Under normal use conditions, the rear differential fluid change interval is set at 6,000 miles for both the standard and limited-slip Salisbury variants.
  • A first-change-only interval of 600 miles is specified for both the standard and limited-slip rear differential configurations, reflecting the common practice of an early fluid change to remove metal particles generated during initial break-in of new gear surfaces.
  • The 600-mile first-change interval represents one-tenth of the standard 6,000-mile normal service interval, indicating a notably accelerated early maintenance schedule tied specifically to new-unit conditioning.
  • The limited-slip variant of the rear Salisbury differential shares the same 1.55-liter capacity and identical service intervals as the open differential version across both the normal and first-change-only use conditions.

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