| 350 Tractor Tune Up Info |
| Engine Model And Type |
C-175 Gas |
C-175 Dist. |
C-175 Gas Fire Crater Pistons |
C-169 LPG |
D-193 Diesel |
| Compression Pressure (at cranking speed)(psi) |
154 |
82 |
145 |
214 |
430 |
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| High Idle (no load) Engine RPM / PTO RPM |
1925 / 595 |
1925 / 595 |
1925 / 595 |
1925 / 595 |
1925 / 595 |
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| Low Idle (no load) Engine RPM / PTO RPM |
425 / 131 |
425 / 131 |
425 / 131 |
595 / 166 |
600 / 185 |
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| Rated Load Speed Engine RPM / PTO RPM |
1750 / 541 |
1750 / 541 |
1750 / 541 |
1750 / 541 |
1750 / 541 |
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| Horsepower (at load speed) PTO Shaft |
38.8 |
29.4 |
40.3 |
38.8 |
37.9 |
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| Approximate Fuel Rate (at load speed) gals/hour |
3.54-3.75 |
2.95-3.13 |
3.40-3.70 |
4.00-4.23 |
2.68-2.84 |
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| Firing Order |
1-3-4-2 |
1-3-4-2 |
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 |
.017 |
.017 |
.017 |
.017 |
.014 |
| Exhaust |
.017 |
.017 |
.017 |
.017 |
.014 |
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| Spark Plug Gap (inch) |
.023 |
.023 |
.025 |
.015 |
- |
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| Distributor |
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| Symbol |
O |
J or X+ |
O |
T++ |
- |
| Breaker Point Opening (inch) |
.020 |
.020 |
.020 |
.020 |
- |
| Part Number |
362722R91 |
357935R91 |
362722R91 |
364696R91 |
- |
| Governor Spring Package |
362725R91 |
358108R91 |
362725R91 |
373955R91 |
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| Ignition Timing (spark advance BTDC unless otherwise specified) (degrees) |
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| At 400 RPM (+ or - 2 Degrees |
0 |
0 |
0 |
0 |
- |
| At high Idle Speed |
22 |
30 |
22 |
16 |
- |
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| Carburetor Liquid level (inches) |
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| I.H. |
9/16 |
9/16 |
9/16 |
- |
- |
| Zenith |
- |
- |
- |
- |
- |
| Carter |
- |
- |
- |
- |
- |
| Marvel-Schebler |
- |
- |
- |
- |
- |
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| Diesel Timing |
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| Static (Crankshaft Degrees) |
- |
- |
- |
- |
22 BTDC |
| 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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| Full Cam Advance (RPM) |
- |
- |
- |
- |
5 |
| Start of Cam Advance (Pump Degrees) |
- |
- |
- |
- |
800-900 |
| 50% of Full Cam Advance (RPM) |
- |
- |
- |
- |
- |
| Full Cam Advance (RPM) |
- |
- |
- |
- |
1600-1650 |
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| Torque Wrench Settings (foot pounds) |
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| Cylinder Head |
70 |
70 |
70 |
40 |
40 |
| Manifold |
50 |
50 |
50 |
30 |
30 |