The Shibaura LEM853 is a 1,429 cc (87.2 cu·in) straight-three, liquid-cooled, naturally aspirated diesel engine manufactured by Shibaura.
A 85.0 mm (3.35 in) cylinder bore and 84.0 mm (3.31 in) piston stroke give the LEM853 diesel engine a total of 1,429 cc (87.2 cu·in) of displacement. The compression ratio rating is 21.0:1.
This engine is equipped with glow plugs and oil bath type air cleaner.
The Shibaura LEM853 diesel engine produced 30.5 PS (22.4 KW; 30.0 HP) at 2,800 rpm of gross horsepower.
The breakdown of the engine code is as follows:
- LEM – Engine series
- 85 – 85.0 mm of cylinder bore
- 3 – Three cylinders
General information
| Engine Specifications | |
| Engine code | LEM853 |
| Layout | Straight-3, vertical diesel engine |
| Fuel type | Diesel fuel No.2-D |
| Production | – |
| Displacement | 1.4 L, 1,429 cm3 (87.2 cu in) |
| Max. Horsepower (gross) | 30.5 PS (22.4 KW; 30.0 HP) at 2,800 rpm |
| Torque output | – |
| Injection type | Indirect injection |
| Cooling system | Liquid-cooled |
| Fuel system | Fuel injection pump |
| Starting system | Electric starting |
| Starting support device | Glow plug in combustion chamber |
| Power adder | None |
| Firing order | 1-2-3 |
Cylinder block
| Cylinder block | ||
| Compression ratio: | 21.0:1 | |
| Cylinder bore: | 85.0 mm (3.35 in) | |
| Piston stroke: | 84.0 mm (3.31 in) | |
| Number of piston rings (compression / oil): | 2 / 1 | |
Cylinder head
| Cylinder head | ||
| Valve Arrangement: | – | |
| Valves: | 6 (2 valves per cylinder) | |
| Valve seat angle: | INTAKE | 45° |
| EXHAUST | 45° | |
| Valve face angle: | INTAKE | 45° |
| EXHAUST | 45° | |
Tightening torque
| Tightening torque specs | |
| Connecting rod caps: | 45.0-50.0 Nm (4.6-5.1 kgf·m; 33.2-36.9 ft·lb) |
| Main bearing holders: | 71.0-81.0 Nm (7.2-8.3 kgf·m; 52.4-59.8 ft·lb) |
| Crankshaft rear plate: | 46.0-54.0 Nm (4.7-5.5 kgf·m; 33.9-39.9 ft·lb) |
| Crankshaft pulley: | 49.0-59.0 Nm (5-6 kgf·m; 36.2-43.5 ft·lb) |
| Flywheel: | 56.0-69.0 Nm (5.7-7.0 kgf·m; 41.3-50.9 ft·lb) |
| Cylinder head: |
Large nuts: 150.0-155.0 Nm (15.3-15.8 kgf·m; 110.7-114.4 ft·lb) Small nuts: 58.0-62.0 Nm (5.9-6.3 kgf·m; 42.8-45.8 ft·lb) |
Maintenance data
| Engine speed | |
| Governed speed |
Low Idle: 750-850 rpm High Idle: 2,900-2,950 rpm |
| Valve clearance | |
| Intake valve | 0.30 mm (0.012 in) |
| Exhaust valve | 0.30 mm (0.012 in) |
| Injector opening pressure | |
| Standard | 11,760 kPa (1705 psi) |
| Injection timing | |
| Standard | 26-27° BTDC |
| Oil system | |
| Recommended engine oil | CD or CE |
| SAE Viscosity Number | SAE 10W-30, 10W-40 |
| Engine oil capacity | 5.5 liters (5.8 US.qts, 4.8 Imp. qts) |
| Electrical system | |
| Alternator: | 12V |
| Volts: | 12V |
| Ground polarity: | Negative |
Applications
The Shibaura LEM853 engine is used on the following tractors
| Model | Years Produced |
| Ford 1900 | 1979-1983 |
| Shibaura SE3040 | – |
great info on the Lem853 but
the compression of 21:1 = how many psi?
Will the injector pump assembly from H853 fit a LEM853 engine.