John Deere BN Engine
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| Engine Detail | |
| John Deere | |
| all fuel | |
| 2-cylinder | |
| liquid-cooled | |
| For the 1941 model year, tractor serial number 96000, the carburetor was changed to a DLTX-34 which provided an increase of about two horsepower. Due to material shortages during World War II, tractors 148500 to 166999 used a pressurized cooling system with a steel radiator. | |
| Displacement | 175 ci 2.9 L |
| Bore/Stroke | 4.50x5.50 inches 114 x 140 mm |
| Fuel system | Marvel-Schebler DLTX-10 (early) |
| Marvel-Schebler DLTX-34 (late) | |
| Cooling system | thermo-siphon |
| water pump | |
| Air cleaner | oil bath |
| Compression | 4.71:1 |
| Rated RPM | 1150 |
| Firing order | 1-2 |
| Starter | hand-crank |
| electric optional | |
| Starter volts | 6 |
| Oil capacity | 7 qts 6.6 L |
| Coolant capacity | 25 qts 23.7 L |
| Sparkplug gap | 0.030 inches 0.762 mm |
| Point gap | 0.015 inches 0.381 mm |
| Intake valve clearance | 0.020 inches*Hot 0.508 mm |
| Exhaust valve clearance | 0.020 inches*Hot 0.508 mm |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on September 10, 2015 |