International 300 Utility Tractor Tune Up Info
Engine Model And Type
C-169 Gas
C-169 LPG
C-175 Gas*
Compression Pressure (at cranking speed)(psi)
145
207
145
High Idle (no load) Engine RPM / PTO RPM
2200 / 680
2200 / 680
2200 / 680
Low Idle (no load) Engine RPM / PTO RPM
425 / 131
425 / 131
425 / 131
Rated Load Speed Engine RPM / PTO RPM
2000 / 618
2000 / 618
2000 / 618
Horsepower (at load speed) PTO Shaft
40.7
40.7
40.3
Approximate Fuel Rate (at load speed) gals/hour
3.52-3.73
4.08-4.32
3.80-4.10
Firing Order
1-3-4-2
1-3-4-2
1-3-4-2
Valve Lash (hot)(inch)
Intake
.017
.017
.017
Exhaust
.017
.017
.017
Spark Plug Gap (inch)
.023
.023
.023
Distributor
Symbol
O+
T
O+
Breaker Point Opening (inch)
.020
.020
.020
Part Number
362722R91
364695R91
362722R91
Governor Spring Package
362725R91
373956R91
362725R91
Ignition Timing (spark advance BTDC unless otherwise specified) (degrees)
At 400 RPM (+ or - 2 Degrees
0
0
0
At high Idle Speed
22
16
22
Carburetor Liquid level (inches)
I.H.
9/16
-
9/16
Zenith
-
-
-
Carter
-
-
-
Marvel-Schebler
-
-
-
Torque Wrench Settings (foot pounds)
Cylinder Head
70
70
70
Manifold
50
50
50
+ Above Serial Number 31656 use Distributor Symbol "S", Distributor Number 364653R91 and Governor Spring Package 364654R91. On Fire Crater Piston Equipped engines use Governor Spring Package Number 362725R91.
* Increased Bore