Description

When you start hearing a knock from deep in your diesel engine or notice the oil pressure isn’t what it used to be, it’s time to think about those main bearings. The crankshaft in your G188D engine depends on these bearings to spin smoothly under all that torque and load, and when they wear out, you’ll know it. This .010 oversize bearing kit gets your engine back to factory specs after a proper crank machine job.

What You’re Getting

Complete set of main bearings sized .010 over standard for a professionally machined crankshaft
TISCO quality construction that meets OEM specifications for fit and durability
Proper oil clearances restored for full lubrication and protection
Everything needed for one complete rebuild – no hunting around for individual bearings

Built for Real Farm Work

The G188D is a proven 4-cylinder diesel that powered Case tractors through countless hours of field work, loader duty, and everything else you throw at farm equipment. This engine earned its reputation for reliability, and with fresh bearings, it’ll keep earning it. Whether your tractor spends its days cultivating, baling, or running a PTO implement, this bearing kit helps ensure smooth operation.

Made to Last

Main bearings take the brunt of combustion forces and support the entire rotating assembly. These TISCO bearings are manufactured to handle the constant stress, high temperatures, and demanding duty cycle that come with diesel farm engines. The .010 oversize dimension compensates for normal crankshaft wear, restoring proper oil film thickness and pressure.

Good to Know

This is a .010 oversize kit, which means your crankshaft needs to be machined .010 under on the main journals before installation. Any competent machine shop can handle this work. Always check bearing clearances with plastigauge during assembly, and make sure your oil pump is in good shape before firing up the rebuilt engine.