| No. | Particulars | 5 | 6.5 | 8 | 8 | 10 | 10 | 12 | |
| 01. | B.H.P./KW | 5/3.7 | 6.5/4.8 | 8/5.9 | 8/5.9 | 10/7.3 | 10/7.3 | 12/9.2 | |
| 01. | Rated Plate | R.P.M. | 1500 | 1500 | 1600 | 1500 | 1800 | 1500 | 1500 |
| 02. | No. of Cylinders | One | One | One | One | One | One | One | |
| 03. | Bore X Stroke | m.m. | 80 X 110 | 85 X 110 | 87.5 X 1600 | 95 X 110 | 95 X 110 | 102 X 110 | 114.3 X 110 |
| 04. | Comp. Ratio | 16.5:1 | 16.5:1 | 16.5:1 | 16.5:1 | 16.5:1 | 16.5:1 | 16.5:1 | |
| 05. | C.C. of Engine | Liter | 0.552 | 0.623 | 0.661 | 0.779 | 0.779 | 0.898 | 1.12 |
| 06. | Torque of Engine | kgm. | 2.39 | 3.10 | 3.82 | 3.82 | 3.98 | 4.78 | 5.73 |
| 07. | Foundation Bolts Hole Distance |
m.m. Inch |
292 X 140 11½ X 5½ |
292 X 140 11½ X 5½ |
292 X 140 11½ X 5½ |
292 X 140 11½ X 5½ |
292 X 140 11½ X 5½ |
292 X 140 11½ X 5½ |
292 X 140 11½ X 5½ |
| 08. | Crank Axis Height from base |
m.m. Inch |
203 8 |
203 8 |
203 8 |
203 8 |
203 8 |
203 8 |
203 8 |
| 09. | Fuel Tank Cap. | Ltr. | 6 | 6 | 6 | 9 | 12 | 12 | 12 |
| 10. | Specific Fuel Consm. | – | – | – | – | – | – | – | – |
| (i) | at full load | g/bhp.hr | 185 | 185 | 185 | 185 | 185 | 185 | 185 |
| (ii) | at std. Ref. Condition | g/kwh. | 251 | 251 | 251 | 251 | 251 | 251 | 251 |
| 11. | Lub. Oil Sump Capacity | Ltr. | 3 | 3 | 3 | 3.5 | 3.5 | 3.5 | 3.5 |
| 12. | Lub Oil Consumption | Ltr./hr | 0.012 | 0.014 | 0.017 | 0.018 | 0.022 | 0.023 | 0.024 |
| 13. | Nett Weight | Kgs. | 160 | 160 | 165 | 175 | 185 | 190 | 200 |
| 14. | Gross Weight (Approx) | Kgs. | 210 | 210 | 215 | 225 | 235 | 240 | 250 |
| 15. | Overall Dimension (App.) | – | – | – | – | – | – | – | – |
| (i) | Length (mm) | (Inch) | 520 (20½) | 520 (20½) | 520 (20½) | 52 (20½) | 520 (20½) | 520 (20½) | 520 (20½) |
| (ii) | Breadth (mm) | (Inch) | 510(20) | 510(20) | 510(20) | 510(20) | 510(20) | 510(20) | 510(20) |
| (iii) | Height (mm) | (Inch) | 750 (29½) | 750 (29½) | 750 (29½) | 750 (29½) | 750 (29½) | 750 (29½) | 750 (29½) |
| No. | Particulars | Specification | No. | Particulars | Specification |
| 1 | Model | Power-50A | 18 | Sp. Fuel Consumptoin Ltr./hr. | 1.3 ltr. |
| 2 | Method of cooling | Air Cooling (Fan Type) | 19 | Sp. Fuel Cons. Gms./Bhp/hr. | 185 |
| 3 | Type of Bearing | TRB | 20 | Sp. Fuel Cons. gms./Kwhr. | 250 |
| 4 | Rated Power B.H.P./K.W. | 5.0/3.7 | 21 | Lub. Oil sump Capacity (Ltr.) | 1.300 Ltr. |
| 5 | Bore in mm | 87.5 | 22 | Lub. Oil Grade | Temp -5°C & Below-SAE-10, 5° to 34° C SAE-30 & Above 34° C-SAE-40 |
| 6 | Stroke in mm | 80 | 23 | Lub. Oil Stainer | Perforated Tin Sheet Washable Type |
| 7 | Rated R.P.M. | 1500 | 24 | Lub. Oil System | Plunger Pump |
| 8 | Swept Volume (CC) | 505 | 25 | Fuel Oil | High Speed (Sp. Gr. 0.82 /0.84) |
| 9 | Compression Ratio | 18:1 | 26 | Bumping Clearance | 1.00 to 1.100 mm (0.040″ To 0.044″) |
| 10 | Mech. Efficiance | 80% | 27 | Valve Tappet Clearance | Air Valve-0.20 mm/Exh. Valve-0.25 mm |
| 11 | Class of Governing | BI | 28 | Aircleaner | Dry type |
| 12 | Method of Starting | Hand Start | 29 | Silencer | Muffler Type |
| 13 | Engine Rotation | Standard / Clockwise Facing flywheel | 30 | Cramk shaft height (m.m.) | 175 |
| 14 | Fuel Injection Timing by Spill Cut Method | 24° B.T.D.C. | 31 | Engine Net Weight -Kg. | 82 |
| 15 | Fuel Tank Capacity | 4 Ltr. | 32 | Engine Gorss Weight -Kg. | 125 |
| 16 | Fuel Injection Equipment | Bosch Make – Nozzle Injector – 9 430 032 155 Bosch Make – Fuel Pump – 9 410 031 021 |
33 | Foudatoin Bolt Spacing | 225 x 120 mm |
| 17 | Fuel Filter Type / Capacity (Ltr.) | Paper Type Replaceble – 0.2 Ltr. | 34 | Dimension of Loose Engine | 460 x 460 x 685 mm |
| No. | Particulars | 16/2 | 20/2 | 25/2 | |
| 01. | B.H.P./kw | – | 16/11.8 | 20/14.7 | 25/18.4 |
| 02. | Rated Speed | R.P.M. | 1500 | 1500 | 1500 |
| 03. | No. of Cylinder | Two | Two | Two | |
| 04. | Bore & Stroke | m.m | 95×110 | 102×110 | 114.3×116 |
| 05. | Comp. Ratio | – | 16.5:1 | 16.5:1 | 16.5:1 |
| 06. | C. C. of Engine | Ltr. | 1.558 | 1.796 | 2.506 |
| 07. | Torque of Engine | Kg.m. | 7.64 | 9.55 | 11.94 |
| 08. | Foundation Bolts Hole Distance |
m.m. Inch |
292×295 11 1/2 x 5 5/8 |
292×295 11 1/2 x 5 5/8 |
292×295 11 1/2 x 5 5/8 |
| 09. | Crank Axis Height From base |
m.m. Inch |
203 8 |
203 8 |
203 8 |
| 10. | Fuel Tank Capacity | Liter | 12 | 12 | 12 |
| 11. | Sp. Fuel Consume | – | – | – | – |
| (i) | at Full Load | 8/bhp-hr. | 185 | 185 | 185 |
| (ii) | at Std. Ref. Condition | 8/kwh | 251 | 251 | 251 |
| 12. | Lub. Oil Sump Capacity | Liter | 7 | 7 | 7 |
| 13. | Lub. Oil Consume | Ltr/hr | 0.033 | 0.040 | 0.040 |
| 14. | Net Weight | kgs. | 260 | 275 | 290 |
| 15. | Gross Weight (Approx) | kgs. | 365 | 385 | 400 |
| 16. | Overall Dimension | – | – | – | – |
| (i) | Length (mm) | (Inch) | 790(31) | 790(31) | 790(31) |
| (ii) | Breadth (mm) | (Inch) | 520(201/2) | 520(201/2) | 520(201/2) |
| (iii) | Height (mm) | (Inch) | 850(33) | 850(33) | 850(33) |
