If the oil is thin enough and there's enough underground pressure

Brass & Diecast construction

Designed for liquids that can be unloaded by gravity (as opposed to pressurized unloading)

Here is an LGB 47710 G Radio Flyer Caboose

Roundhouse 88039 HO BNSF 50' Smooth High Cube Plug Door Boxcar #712745 ProductID_12040333 If the oil is thinHere is a Athearn 88039 HO BNSF 50' Smooth High Cube Plug Door Boxcar #712745, featuring plastic construction, metal wheels, and knuckle couplers. Condition: Factory New (C 9) Operational Status: Functional Original Box: Yes (P 9) Manufacturer: Roundhouse Model Number: 88039 Road Name: Burlington Northern Santa Fe (BNSF) MSRP: $26. 98 Scale Era: HO Scale Model Type: Freight Cars The Trainz SKU for this item is P12318332. Trainz Product Id: 12318332