The Komatsu PC35MR-3 is a mini excavator built around the 88 mm three-cylinder. We sell that engine new surplus and rebuilt, with the bellhousing, pump drive and pan set up for your machine.
The Komatsu PC35MR-3 is a 3.5-ton class short tail-swing mini excavator and the successor to the PC35MR-2 in the US market. It is one of the highest-demand Komatsu compact platforms for engine replacement in the United States - a very large installed base, and machines that are now well into their second and third owners.
ENGINE SPECIFICATION. Three cylinder, four cycle, water cooled, vertical in-line. Direct injection, naturally aspirated. Bore and stroke 88 x 90 mm. Displacement 1.642 L (100.2 cu in). Around 36 hp at full rated speed, less in machines governed lower. Dry weight approximately 341 lb (154 kg). Engine as fitted to this machine: Komatsu 3D88E-6. Production years: 2008-2015. Rated output in this machine: approximately approx. 28-30 hp.
KOMATSU 3D88 AND YANMAR 3TNV88 ARE THE SAME ENGINE.
Komatsu's small D-series diesels are Yanmar TNV engines built under the long-standing Komatsu-Yanmar relationship and badged as Komatsu. The Komatsu 3D88 / 3D88E is the Yanmar 3TNV88: same block, same crankshaft, same 88 x 90 mm bore and stroke, same 1.642 L displacement, same architecture. If your data plate reads 3D88E-3, 3D88E-5, 3D88E-6 or 3D88E-7, that is a Komatsu-badged Yanmar 88 mm three-cylinder.
This matters commercially because it doubles the pool of engines that can be