Caterpillar Engines

An oil drain plug for your Caterpillar engine

Do you have a Caterpillar engine and are you looking for a compatible oil drain plug? The experts of Femco® Drain Technology have the right oil drain plug for every caterpillar engine. We have a wide array of different plugs to make sure oil changes go quickly and with minimal waste.

For every Caterpillar engine the right oil drain plug

As experts in oil drain systems we have a wide variety of oil drain plugs. The renowned brand Caterpillar is no exception when it comes to our oil drain offerings. If you are looking for an excellent and easy-to-use oil drain plug for your Caterpillar, look no further than the products of Femco® Drain Technology. Our system makes sure your Caterpillar engine won’t spill any oil, thanks to our drain plug.

Get the best for your Caterpillar engine

Find an excellent drain plug for your Caterpillar engine in our shop. Our engineers make sure they quick to connect and, once you are done, quick to release. This way you will lose no time draining oil. Contact our European office in Mijdrecht, the Netherlands, or our American office in Duvall if you have any questions, or check out our FAQ. Fill out our contact page for further information about our products or send an e-mail to


Plug size


1100, 1140, 1145, 1150, 1160, 3100, 3116, 3126B (oil drain plug on side), 3126E, C-6, C-7, C-9, 938, 3126, 3208, 725, 725C, 730, 730C, 446, 446B, 446D, 65C, 65E, 75C, 75D, 75E, 85C, 85D, 85E, 95E, MTC735, 730, 730C, R2900, 24H, 24M, CX31-C9I, TH31-E61, 69D, 3114, 924K, 930K, 938K, 308E2,
BH (430F)


3116, 3126, 3126B, C4, C7, C9 (oil drain plug on bottom)


3176, 3406, 3408, 3412, C10, C11, C12, C13, C14, C15, C16, C18, C27, C30, 3306 (some)
OEM #: 9X6451

1 1/8″-12-UNF-T15

3054, 3056, 3204, 3208, 4.4L


936, 950, 3304, 3508, 3306(some), 3044C

1 1/2″-12-UNF-T12

KT1150, QSKT19, KTTA19

1 1/16″-12-UNF-T15

3024C, C22, CH3XL2.22TIC, 299D, 299D XHP, 300.9D, 303.5, 303E, 304E2, 305E2


CAT302.5C, CAT303CR, CAT303SR






All CAT’s with tapered pipe plug


* If the engine you are looking for is not listed, please check Femco’s catalog or contact us.