When a Thermo King SB-230 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 Thermo King SB-230 is a trailer refrigeration unit used across US refrigerated transport fleets. Thermo King's TK4.86 / TK486V engine is built on the Yanmar 88 mm-bore 3-cylinder architecture. Note that refrigeration unit engines are often set up for specific speed control - confirm your governor and injection configuration before ordering.
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: TK486V (Yanmar-based). Production years: 1995-2010. Rated output in this machine: approximately approx. 25-36 hp.
WHAT WE FIT TO YOUR MACHINE.
Refrigeration units are usually set up for specific speed control, so the governor and injection configuration must be confirmed before ordering. Drive coupling, brackets and cooling package are external.
MECHANICAL OR COMMON RAIL - THIS IS THE ONE THING YOU MUST MATCH.
The Yanmar 3TNV88 comes in two fuel systems and they