We supply the Yanmar 3TNV88 as the replacement for the 3TNE84 in the Takeuchi TB125 - mechanical injection or electronic common rail, new surplus or rebuilt. Same TNV family, one bore size up, and the external components carry across from the engine you are pulling out.
The Takeuchi TB125 is a 2.5-ton class compact excavator and a long-running favorite in US rental fleets. It is powered by the Yanmar 84 mm-bore 3-cylinder direct-injection diesel.
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: Yanmar 3TNE84 / 3TNV84. Production years: 1999-2007. Rated output in this machine: approximately approx. 25-28 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.
WHY THE 3TNV88 REPLACES THE 3TNE84.
Yanmar's TNV three-cylinder engines are one family on one architecture - same 90 mm stroke, same block design, same mounting and accessory layout. Only the bore changes: 82 mm (3TNV8