When a Takeuchi TB128FR needs an engine, the part that trips buyers up is not finding a 3TNV88 - it is knowing whether the machine takes the mechanical version or the common rail one. We carry both, new surplus and rebuilt, and we will tell you which yours runs before you order.
The Takeuchi TB128FR is a reduced tail-swing compact excavator in the 2.8-ton class, used across US utility and landscaping fleets. It is powered by the Yanmar 88 mm-bore 3-cylinder.
ENGINE SPECIFICATION. Three cylinder, four cycle, liquid 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 3000 rpm at full speed, less in machines governed lower. Dry weight approximately 341 lb (154 kg). Rotation counterclockwise viewed from the flywheel end. Engine as fitted to this machine: 3TNV88 / 3TNE88. Production years: 2003-2012. Rated output in this machine: approximately approx. 28 hp.
WHAT WE FIT TO YOUR MACHINE.
On a compact excavator the bellhousing and flywheel must mate to the hydraulic pump drive, the oil pan has to clear the undercarriage, and the throttle has to answer the machine's engine control. All of that is external and transfers from your old engine onto the replacement core.
MECHANICAL OR COMMON RAIL - THIS IS THE ONE THING YOU MUST MATCH.
The Yanmar 3TNV88 comes in two fuel systems and they are not interchangeable. MECHANICAL INJECTION uses a mechanical pump and governor, with no ECU or