The S130 has a Kubota direct injected V2203-M-DI diesel engine [Figure 70-10-1] with a displacement of 134 cu.in. (2,2 L). The engine is rated at an SAE Net 46 HP (34 kW) and has a closed crankcase ventilation system.
The engine has 4 cylinders and the rotation is counter-clockwise (viewed from the flywheel side). It is equipped with glow plugs for assisting in cold starts. Engine block heaters are also available from Bobcat Parts.
The engine serial number is stamped on the engine and is located near the injection pump. The model number is located on the valve cover. Use these numbers to obtain the correct service parts.
The engine is liquid cooled with a propylene glycol/water mixture in a radiator. Coolant flow is controlled by a thermostat. The cooling fan is driven by a hydraulic motor. The speed of the fan is determined by the engine coolant temperature sensor and the hydraulic/hydrostatic fluid temperature sensor.