International 350 Utility 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
High Idle (no load) Engine RPM / PTO RPM
2200 / 680
2200 / 680
2200 / 680
2200 / 680
2200 / 680
Low Idle (no load) Engine RPM / PTO RPM
425 / 131
425 / 131
425 / 131
537 / 166
600 / 185
Rated Load Speed Engine RPM / PTO RPM
2000 / 618
2000 / 618
2000 / 618
2000 / 618
2000 / 618
Horsepower (at load speed) PTO Shaft
42.6
30.8
40.3
42.7
41.7
Approximate Fuel Rate (at load speed) gals/hour
3.90-4.30
3.31-3.53
3.80-4.10
4.35-4.62
3.20-3.40
Firing Order
1-3-4-2
1-3-4-2
1-3-4-2
1-3-4-2
1-3-4-2
Valve Lash (hot)(inch)
Intake
.017
.017
.017
.017
.014
Exhaust
.017
.017
.017
.017
.014
Spark Plug Gap (inch)
.023
.023
.025
.015
-
Distributor
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
Ignition Timing (spark advance BTDC unless otherwise specified) (degrees)
At 400 RPM (+ or - 2 Degrees
0
0
0
0
-
At high Idle Speed
22
30
22
16
-
Carburetor Liquid level (inches)
I.H.
9/16
9/16
9/16
-
-
Zenith
-
-
-
-
-
Carter
-
-
-
-
-
Marvel-Schebler
-
-
-
-
-
Diesel Timing
Static (Crankshaft Degrees)
-
-
-
-
22 BTDC
IMPORTANT: Fuel must be at 100 Degrees F for the following checks and adjustments.
Speed Advance Pumps (checked without load)
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
Torque Wrench Settings (foot pounds)
Cylinder Head
70
70
70
70
110
Manifold
50
50
50
50
50
+ "J" Symbol Part Numbers Are Shown. For "X" Symbol use Distributor Number 366928R91 and Governor Spring Package Number 366942R91.
++ LPG engines from Serial Number 13243 & up use Distributor Symbol "S", Number 364653R91 and Governor Spring Package Number 364654R91.