Kohler Command Pro ECV850 User Manual

Specifi cations
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KohlerEngines.com
CLEARANCE SPECIFICATIONS
3
ECV850 ECV860 ECV870 ECV880
Crankshaft Continued
T.I.R.
PTO End, Crank in Engine
Entire Crank, in V-Blocks
0.279 mm (0.0110 in.)
0.025 mm (0.0001 in.)
Flywheel End Main Bearing Journal
O.D. - New
O.D. - Max. Wear Limit
Max. Taper
Max. Out-of-Round
44.978/45.00 mm (1.770/1.771 in.)
44.908 mm (1.7680 in.)
0.022 mm (0.0009 in.)
0.025 mm (0.0010 in.)
Cylinder Bore
I.D.
New
Max. Wear Limit
Max. Taper
Max. Out-of-Round
86.000/86.025 mm (3.3858/3.3868 in.)
86.075 mm (3.3888 in.)
0.018 mm (0.0007 in.)
0.05 mm (0.0020 in.)
Cylinder Head
Max. Out-of-Flatness 0.08 mm (0.0031 in.)
Governor (Mechanical)
Cross Shaft O.D.
New
Max. Wear Limit
7.949/8.000 mm (0.3130/.3150 in.)
7.936 mm (0.3124 in.)
Governor Gear Shaft-to-Governor Gear Running Clearance 0.16/0.90 mm (0.0063/0.0354 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.)
Ignition
Spark Plug Gap 0.76 mm (0.030 in.)
Piston, Piston Rings, and Piston Pin
Piston-to-Piston Pin Running Clearance 0.006/0.016 mm (0.0002/0.0006 in.)
Pin Bore I.D.
New
Max. Wear Limit
22.06/22.12 mm (0.8685/0.8709 in.)
22.24 mm (0.8759 in.)
Pin O.D.
New
Max. Wear Limit
21.996/22.000 mm (0.8660/0.8661 in.)
21.995 mm (0.8659 in.)
Top Compression Ring-to-Groove Side Clearance 0.04/0.08 mm (0.0016/0.0031 in.)
Middle Compression Ring-to-Groove Side Clearance 0.03/0.07 mm (0.0012/0.0028 in.)
Oil Control Ring-to-Groove Side Clearance 0.06/0.19 mm (0.0024/0.0074 in.)
Top Compression Ring End Gap
New Bore
Used Bore (max.)
0.15/0.30 mm (0.0059/0.0118 in.)
0.51 mm (0.0201 in.)
Middle Compression Ring End Gap
New Bore
Used Bore (max.)
0.65/0.80 mm (0.0256/0.0315 in.)
1.33 mm (0.0524 in.)
3
Values are in Metric units. Values in parentheses are English equivalents.

Kohler Command Pro ECV850 Specifications

General

Brand	Kohler
Model	Command Pro ECV850
Category	Engine
Language	English