The Shibaura T853A is a 1,702 cc (103.8 cu·in) straight-three, liquid-cooled, naturally aspirated diesel engine manufactured by Shibaura.
A 85.0 mm (3.35 in) cylinder bore and 100.0 mm (3.94 in) piston stroke give the Shibaura T853A diesel engine a total of 1,429 cc (103.8 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 T853A diesel engine produced 32.5 PS (23.9 KW; 32.0 HP) at 2,500 rpm of gross horsepower and 96.1 Nm (9.8 kg·m; 70.9 lbf·ft) at 2,000 rpm of peak torque.
The breakdown of the engine code is as follows:
- T – Engine series
- 85 – 85.0 mm of cylinder bore
- 3 – Three cylinders
General information
| Engine Specifications | |
| Engine code | T853A |
| Layout | Straight-3, vertical diesel engine |
| Fuel type | Diesel fuel No.2-D |
| Production | – |
| Displacement | 1.7 L, 1,702 cm3 (103.8 cu in) |
| Max. Horsepower (gross) | 32.5 PS (23.9 KW; 32.0 HP) at 2,500 rpm |
| Torque output | 96.1 Nm (9.8 kg·m; 70.9 lbf·ft) at 2,000 rpm |
| 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 (2.35 in) | |
| Piston stroke: | 100.0 mm (3.94 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: | 78.0-83.0 Nm (8-8.5 kgf·m; 57.6-61.3 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: | 95.0 Nm (9.7 kgf·m; 70.1 ft·lb) |
Maintenance data
| Engine speed | |
| Governed speed |
Low Idle: 750-850 rpm High Idle: 2,650-2,700 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 | 23.5-24.5° BTDC |
| Oil system | |
| Recommended engine oil | CD or CE |
| SAE Viscosity Number | SAE 10W-30, 10W-40 |
| Engine oil capacity | 6.5 liters (6.87 US.qts, 5.72 Imp. qts) |
| Electrical system | |
| Alternator: | 12V |
| Volts: | 12V |
| Ground polarity: | Negative |
Applications
The Shibaura T853A engine is used on the following tractors
| Model | Years Produced |
| Ford 1910 | 1983-1986 |
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