| Farmall 340 International 340 Utility Tractor Tune Up Info |
| Engine Model And Type |
C-135 Gas Fire Crater Piston |
C-175 Gas Flat Top Piston |
D-166 Diesel |
| Compression Pressure (at cranking speed)(psi) |
180 |
175 |
300-340 |
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| High Idle (no load) Engine RPM / PTO RPM |
2200 + or - 25 / 668 |
2200 + or - 25 / 668 |
2200 + or - 25 / 668 |
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| Low Idle (no load) Engine RPM / PTO RPM |
425 + or - 25 / 129 |
425 + or - 25 / 129 |
425 + or - 25 / 129 |
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| Rated Load Speed Engine RPM / PTO RPM |
2000 + or - 10 / 608 |
2000 + or - 10 / 608 |
2000 + or - 10 / 608 |
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| Horsepower (at load speed) PTO Shaft |
36 |
34.6 |
38.6 |
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| Approximate Fuel Rate (at load speed) gals/hour |
2.92-3.10 |
2.92-3.10 |
2.84 Max. |
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| Firing Order |
1-3-4-2 |
1-3-4-2 |
1-3-4-2 |
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| Valve Lash (hot)(inch) |
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|
| Intake |
.014 |
.014 |
.027 |
| Exhaust |
.014 # |
.014 # |
.027 |
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| Spark Plug Gap (inch) |
.023 |
.023 |
- |
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| Distributor |
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|
| Symbol |
A E |
X |
- |
| Breaker Point Opening (inch) |
.020 |
.020 |
- |
| Part Number |
375423R91 |
366928R91 |
- |
| Governor Spring Package |
375425R91 |
366942R91 |
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| Ignition Timing (spark advance BTDC unless otherwise specified) (degrees) |
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| At 400 RPM (+ or - 2 Degrees |
1 ATDC |
1 |
- |
| At high Idle Speed |
25 |
30 |
- |
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| Carburetor Liquid level (inches) |
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|
|
| I.H. |
- |
- |
- |
| Zenith |
1/2 |
1/2 |
1/2 |
| Carter |
- |
- |
- |
| Marvel-Schebler |
3/4 |
3/4 |
3/4 |
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| Diesel Timing |
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|
| Static (Crankshaft Degrees) |
- |
- |
3 ATDC |
| IMPORTANT: Fuel must be at 100 Degrees F for the following checks and adjustments. |
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| Speed Advance Pumps (checked without load) |
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|
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| Full Cam Advance (RPM) |
- |
- |
2 1/2 |
| Start of Cam Advance (Pump Degrees) |
- |
- |
- |
| 50% of Full Cam Advance (RPM) |
- |
- |
- |
| Full Cam Advance (RPM) |
- |
- |
2000 |
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| Torque Wrench Settings (foot pounds) |
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|
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| Cylinder Head |
80-90 |
80-90 |
110-120 |
| Manifold |
33-37 |
33-37 |
33-37 |