Rockomax Jumbo-64 Fuel Tank

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Rockomax Jumbo-64 Fuel Tank
Part image
Liquid fuel tank by
Rockomax Conglomerate

Radial size Large, Radial mounted
Cost (total) 5 750.00 Funds
(dry) 2 812.40 Funds
Mass (total) 36.00 t
(dry) 4.00 t
Drag 0.3-0.2
Max. Temp. 2000 K
Volume  ?
Impact Tolerance 6 m/s
Research Advanced fuel systems.png Adv. Fuel Systems
Unlock cost 24 200 Funds
Since version 0.18
Part configuration fuelTankJumbo-64.cfg
Liquid fuel 2 880 Units of fuel
Oxidizer 3 520 Units of fuel

The Rockomax Jumbo-64 Fuel Tank provides fuel to attached liquid fuel engines, and was the largest liquid fuel tank available until the release of the Kerbodyne S3-14400 Tank

As of 0.23[outdated], this tank does not transfer heat effectively. Engines attached directly to it and running at full throttle (especially Mainsails or LV-Ns) risk overheat. Throttling down, or placing a fuel tank (such as the Rockomax X200-8 Fuel Tank) or structural component in between the engines and the Jumbo-64 fuel tank will fix this. Another workaround for this problem is to stack two Rockomax X200-32 Fuel Tanks in place of a Jumbo-64. Together they have exactly the same mass, fuel capacity, drag and dimensions but different part count which might impact on the performance of the game.

The mainsail produces less heat in 0.22. Its heat production was lowered from 500 to 400, reducing the chance of overheating. The LV-N will no longer overheat under this tank as of 0.22. The Aerospike has a higher maximum temperature as of 0.22, also reducing its overheat risk.

There is a "01" label near the top lip of the fuel tank.

That's how many fuel tanks can SAFELY go on the same craft.


The largest tank available from Rockomax, the Jumbo-64 holds a vast amount of fuel in a friendly orange insulated container. Contrary to popular belief, the Jumbo-64 is NOT orange flavored and should NOT be tasted.

Rockomax Conglomerate


  • Initial release