Engine Service Manual

18
Specifi cations
KohlerEngines.com 32 690 03 Rev. I
CLEARANCE SPECIFICATIONS
3
KT610
KT620 KT715 KT725 KT730 KT735 KT740 KT745
Crankshaft
End Play (free) 0.075/0.595 mm (0.0030/0.023 in.)
Bore (in crankcase)
New
Max. Wear Limit
40.974/40.987 mm (1.6131/1.6137 in.)
41.000 mm (1.6142 in.)
Bore (in oil pan)
New 40.974/41.000 mm (1.6457/1.6142 in.)
Crankshaft Bore (in oil pan)-to-Crankshaft
Running Clearance
New 0.039/0.087 mm (0.0015/0.0034 in.)
Flywheel End Main Bearing Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper
Max. Out-of-Round
40.913/40.935 mm (1.6107/1.6116 in.)
40.840 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
Oil Pan End Main Bearing Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper
Max. Out-of-Round
40.913/40.935 mm (1.6107/1.6116 in.)
40.840 mm (1.608 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
Connecting Rod Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper
Max. Out-of-Round
35.950/35.974 mm (1.4154/1.4163 in.)
35.950 mm (1.4154 in.)
0.018 mm (0.0007 in.)
0.025 mm (0.0010 in.)
T.I.R.
PTO End, Crank in Engine
Entire Crank, in V-Blocks
0.279 mm (0.0110 in.)
0.200 mm (0.0079 in.)
Cylinder Bore
Bore I.D.
New
Max. Wear Limit
Max. Out-of-Round
Max. Taper
83.006/83.031 mm (3.2679/3.2689 in.)
83.069 mm (3.2704 in.)
0.120 mm (0.0047 in.)
0.050 mm (0.0020 in.)
Cylinder Head
Max. Out-of-Flatness 0.076 mm (0.003 in.)
Governor
7 mm Hex End Cross Shaft End Play 0.25/3.15 mm (0.010/0.124 in.)
Governor Cross Shaft-to-Crankcase Running
Clearance 0.025/0.126 mm (0.0009/0.0049 in.)
Cross Shaft O.D.
New
Max. Wear Limit
7.949/8.000 mm (0.3129/0.3149 in.)
7.936 mm (0.3124 in.)
Governor Gear Shaft-to-Governor Running
Clearance
0.050/0.210 mm (0.0020/0.0083 in.)
Gear Shaft O.D.
New
Max. Wear Limit
5.990/6.000 mm (0.2358/0.2362 in.)
5.977 mm (0.2353 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.