JCB High mobility vehicles
Transfer case fluid capacity & service interval
JCB High mobility vehicles utilize transfer case fluid with a capacity of 3 liters. Service intervals occur every 1000 hours or 12 months. The data covers 2 configurations.
The configuration chart below lists fill volumes and service intervals for each engine and trim variant.
| Type | Specifications |
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Additional Notes
- The JCB Fastrac 3155 and 3185 share an identical transfer case fluid capacity of 3 liters for the transferbox/p.t.o., front assembly, indicating a service fill volume rather than a full overhaul drain-and-refill figure.
- The 1000-hour or 12-month change interval on both the Fastrac 3155 and 3185 applies under normal use conditions, meaning whichever threshold arrives first governs the service timing.
- A 3-liter capacity in a transfer case of this type is a relatively modest volume, consistent with a compact front power take-off and transferbox unit rather than a large-format drivetrain assembly.