Built for robust and seamless performance that is handy in a variety of environments, this engine is most suited for harvester and firefighting applications. This four stroke engine comes equipped with 46 KW @ 2200rpm maximum gross power on bench, along with 170 Nm @ 1800-2000rpm maximum gross torque on bench. Providing excellent fuel efficiency without compromising on power or performance, this engine is designed for years of service.
Specifications
| Engine | 62 Ps @ 2200 rpm |
| Type (NA/TC/TCIC, DI/IDI) | NA |
| Manufacturer's name & Address of the Manufacturing Plant. | TATA MOTORS LTD. |
| Working principle (four / two stroke) | Four Stoke |
| Model name and identification | 4SP TC73 |
| Type of fuel used | Diesel |
| No.& Layout of cylinders & firing order | 4, Inline, 1-3-4-2 |
| Swept volume (cc) | 2956 CC |
| Bore (mm) | 97 |
| Stroke (mm) | 100 |
| Compression ratio (specify tolerance) | 17.5 (+ 1) : 1 |
| Engine performance (declared by the manufacturer) | Encl. |
| Max. Gross power of engine on bench kW | 46 KW @ 2200rpm |
| Maximum Gross torque on bench Nm @ rpm | 170 N-m @ 1800-2000 |
| Engine RPM at max. Power (specify tolerance) | 2800 |
| Liquid cooling system | |
| Nature of liquid and capacity | Water + Coolant |
| Circulating pump yes/no | Yes |
| Drive ratio | 1.0425 (+/- 0.5) : 1 |
| Thermostat type and setting | 83 + 8 Deg cel |
| Temperature regulating system (yes/no) | No |
| Temperature permitted by manufacturer (0C) | |
| Liquid cooling | |
| Max. temp. at engine Outlet | 105° C |
| Air cooling | |
| Reference point | N.A |
| Max. temperature at reference point | N.A |
| Max. outlet temperature of the intercooled-air | 45° C |
| Max. exhaust temperature | 700° C |
| Lubricant Temperature (0C) | |
| Minimum | Variable with speed & Load. |
| Maximum | 130 Deg Cel |
| Intake system | |
| Supercharger / Turbocharger – yes/no | Yes |
| Description of system | NA |
| Fuel Feed | |
| Injection system description | Direct Injection |
| Working principle: intake manifold/ direct injection/ indirect injection/swirl chamber/others | Direct Injection |
| Fuel Pump | |
| Make | M/s Bosch (India) |
| Type | Inline |
| Calibration procedure on engine/pump bench | On pump bench |
| Injection timing deg BTDC (specify tolerance) | 9° +/- 1 deg BTDC |
| Governor | |
| Make(s) & country of origin | M/s Bosch (India) |
| Max. Speed without load (rpm) | 2400 +/- 100 rpm |
| Idle Speed (rpm) | 750 +/- 100 rpm |
| Lubrication System | |
| Description of system | Forced Lubrication |
| Lubrication oil capacity lit | 7 to 9 lit |
| Position of lubricant reservoir | Oil sump below crankcase |
| Lubricating oil grade | SAE 15W40 CF4 / CH4 |
| Feed system (pump, injection in to intake mixing with fuel etc.) | Pump |
| Lubricating pump | |
| Make | In house |
| Type | Gear Driven |
| Mixture with fuel: yes/no, and if yes % | N.A. |
| Oil cooler: yes/no | Yes |
| Electrical equipment | |
| Generator/alternator characteristic (specify tolerance) or Make | Alternator ; M/s LUCAS or MICO or any other approved source. |
| Type | 12 V / 24 V |
| Electronic Control Unit (ECU) | NA |
| Exhaust Gas Re-circulating System | NA |
| Type | NA |
