“Get a rebuilt OEM Caterpillar 345-3550 MOTOR AR-PRIMARIO (BLOQUE CORTO), a Caterpillar original part designed for top performance. This short block includes an inspected block, new crankshaft, new pistons/rods, bearings, new piston rings, and a replaced camshaft, plus a pallet of additional parts. Compatible with various Caterpillar skid steer, multi-terrain, and compact track loaders, including 236D, 236D3, 242D, 242D3, 246D, 246D3, 257D, 257D3, 259D, 259D3, 262D, 262D3, 277D, 279D, 279D3, 287D, 289D, 289D3, and more. Ensure reliability and durability with this expertly rebuilt Caterpillar engine. Available now at AllParts Expert. Shop here: https://allparts.expert/parts/industrial/caterpillar-345-3550-engine-ar-primary-short-block/