Toyosha CS112

Toyosha CS112The Toyosha CS112 is a 1.12 l (1,126 cc, 68.71 cu·in) three-cylinder liquid-cooled 4-stroke internal combustion diesel engine, manufactured by Japanese company Hinomoto under the Toyosha brand.

This engine has three cylinders, overhead valves (2 per cylinder), flyweight governor and indirect fuel injection system. The CS112 engine uses a single element dry air cleaner.

Bore and stroke are 75.0 mm (2.95 in) and 85.0 mm (3.35 in), respectively. Compression ratio rating is 23:1. The Toyosha S148 engine produced 21.0 HP (15.6 kW) at 2,350 rpm of maximum output power.

General information

Engine Specifications
Model CS112
Type 4-stroke, OHV, three cylinders
Displacement 1.12 L, 1,126 cm3 (68.71 cu-in)
Max. horsepower 21.0 HP (15.6 kW)
Max. torque (crank PTO)
Cooling system Liquid-cooled
Fuel system Indirect injection
Starting system Electric starter
Fuel used Diesel fuel

Service Information

Maximum speed 2,550 rpm
Idle speed 850 rpm
Valve clearance
Intake valve 0.30 mm (0.012)
Exhaust valve 0.35 mm (0.014)
Oil system
Oil type Diesel oil (API Service Classification CC or CD)
Recommended oil SAE 10W-30
Oil capacity 3.7 L (3.91 US. qt, 3.26 Imp. qt.)
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. We do not provide advice on technical issues related to the engines operation or repair. We do not recommend using provided information for engines repairing engines or spare parts ordering, use only official service manuals and spare-parts catalogs.


  1. Hello. I need a kit for the general overhaul of the toyosha model cs-112 on the Massey Ferguson 1020 tractor. Ok 1990r

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