The Toyosha CS112 is a 1.1 L (1,126 cc, 68.71 cu·in) natural aspirated three-cylinders four-stroke liquid-cooled internal combustion vertical diesel engine, manufactured by Japanese company Hinomoto under the Toyosha brand.
The Toyosha CS112 engine has three cylinders, an overhead valve (OHV) design, an indirect injection system, and an electric starter. The engine used a single-stage dry air cleaner, forced circulation liquid cooling system, and glow plugs for starting aid.
This engine produced 21.0 PS (15.6 kW; 21.0 HP) at 2,350 rpm of maximum horsepower.
General information
| Engine Specifications | |
| Engine model | CS112 |
| Engine type | 4-stroke, OHV, three-cylinders |
| Displacement | 1,126 cm3, (68.71 cu·in) |
| Max. horsepower | 21.0 PS (15.6 kW; 21.0 HP) at 2350 rpm |
| Cooling system | Liquid-cooled |
| Air cleaner | Single stage, dry element |
| Lubricating system | Forced splash |
| Fuel system | Indirect injection |
| Starting system aid | Glow plugs |
| Injection order | 1-3-2 |
Cylinder Block and Head
A 75.0 mm (2.95 in) cylinder bore and 85.0 mm (3.35 in) piston stroke give the CS112 engine a total of 1,126 cc of displacement. Compression ratio rating is 23.0:1.
| Cylinder block | |
| Compression ratio: | 23:1 |
| Cylinder bore: | 75.0 mm (2.95 in) |
| Piston stroke: | 85.0 mm (3.35 in) |
| Crankshaft center distance: | 42.5 mm (1.675 in) |
| Cylinder head | |
| Valve arrangement: | OHV |
| Valves:: | 2 per cylinder (6 valves in total) |
Tightening torque
| Tightening torque settings | |
| Cylinder head bolt torque (12mm): | 88-98 Nm; 8.8-9.8 kg·m; 65-72 lb·ft |
| Cylinder head bolt torque (10mm): | 39-49 Nm; 3.9-4.9 kg·m; 29-36 lb·ft |
| Connecting rod cap torque: | 44-54 Nm; 4.4-5.4 kg·m; 33-40 lb·ft |
Service Data
The diesel oil (API Service Classification CC or CD) with a viscosity of SAE 10W-30 is recommended for the CS112, refilling oil capacity is 3.7 L (3.91 US. qt, 3.26 Imp. qt.).
| Engine | |
| Maximum speed: | 2,550 rpm |
| Idle speed: | 850 rpm |
| Valve clearance | |
| Intake valve clearance: | 0.30 mm (0.0118 in) |
| Exhaust valve clearance: | 0.35 mm (0.0138 in) |
| Oil system | |
| Lubrication system: | Forced splash |
| 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.) |
| Fuel system | |
| Type: | Indirect injection |
Applications
| Model | Years Produced |
| Hinomoto E1802 | 1982-1992 |
| Hinomoto E1804 | 1982-1992 |
| Hinomoto JF-1MS | – |
| Hinomoto JF-1S | – |
| Massey Ferguson 1020 (Hydro) | 1983-1994 |
| Massey Ferguson 1020 (STD) | 1983-1994 |
Author:
I have a three cyl Toyosha 40 horsepower motor diesel. Does anyone know the specs for torque of injectors???