1987 Case 170b Engine & Transmission Mount Torque Specs

OEM-referenced torque, socket, and thread specs for the 5 engine and transmission mount fasteners on the 1987 Case 170b — including the Track Motor Mount (torques to 185 ft-lbs, 24mm socket, M18x2.5 thread). Replacing a broken or collapsed motor mount is one of the most common vibration fixes; get the torque right so the new mount seats square. Full bolt specs for the rest of the vehicle are linked below.

Engine / Motor Mounts torque — 1987 Case 170b

On the 1987 Case 170b, the engine / motor mounts are: Track Motor Mount (torques to 185 ft-lbs, 24mm socket, M18x2.5 thread); Hydraulic Motor Mount (torques to 185 ft-lbs, 24mm socket, M18x2.5 thread); Engine Support Bracket (torques to 85 ft-lbs, 17mm socket, M12x1.75 thread); Engine Mount Bolt (torques to See sequence, 19mm socket, M14x2.0 thread); Swing Motor Mount (torques to 110 ft-lbs, 19mm socket, M14x2.0 thread). Powertrain mount bolts are usually torque-to-yield or thread-locked from the factory — replace any single-use bolt, and confirm the value against your service manual before reassembly.

How to replace and torque 170b engine & transmission mounts

Support the engine (or transmission) from below with a jack and a block of wood, or from above with an engine support bar, before unbolting any mount — the powertrain will drop otherwise. Replace mounts one at a time so the others hold alignment. Raise or lower the powertrain until the new mount's bolt holes line up WITHOUT prying, then start every bolt by hand to avoid cross-threading. Make the final pass with a calibrated torque wrench, and let the powertrain settle onto all mounts before the last torque check. A mount torqued while the engine is jacked off-center pre-loads the rubber and transmits vibration.

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