Kohler Command PRO ECH630 Service Manual page 12

Section 1
Safety and General Information
General Specifi cations¹
Power (@ 3600 RPM, exceeds Society of Automotive Engineers-Small Engine Test Code J1940.)
ECH630 .................................................................................................................................... 14.1 kW (19 HP)
ECH650 .................................................................................................................................... 15.7 kW (21 HP)
ECH680 .................................................................................................................................... 17.2 kW (23 HP)
ECH730 .................................................................................................................................... 18.6 kW (25 HP)
ECH740 .................................................................................................................................... 20.1 kW (27 HP)
ECH749 .................................................................................................................................... 21.6 kW (29 HP)
Bore
ECH630,ECH650,ECH680 .................................................................................................... 80 mm (3.15 in.)
ECH730,ECH740,ECH749..................................................................................................... 83 mm (3.27 in.)
Stroke .............................................................................................................................................. 69 mm (2.72 in.)
Displacement
ECH630,ECH650,ECH680 .................................................................................................... 694 cc (42.4 cu. in.)
ECH730,ECH740,ECH749..................................................................................................... 747cc (45.6 cu. in.)
Compression Ratio
ECH630,ECH650,ECH680..................................................................................................... 8.8:1
ECH730,ECH740,ECH749..................................................................................................... 9.1:1
Dry Weight ..................................................................................................................................... 46 kg (102 lb.)
Oil Capacity (w/fi lter) - approximate, determined by oil fi lter and oil cooler used ........... 1.9 L (2.0 U.S. qt.)
Angle of Operation - Maximum (At Full Oil Level) All Directions ....................................... 25°
Blower Housing Screws (into cored aluminum hole or weld nut)
M5 Fasteners Torque ....................................................................................... 6.2 N·m (55 in. lb.) into new holes
M6 Fasteners Torque ....................................................................................... 10.7 N·m (95 in. lb.) into new holes
Blower Housing Screws (into extruded hole or sheet metal)
M5 Fasteners Torque ....................................................................................... 2.8 N·m (25 in. lb.) into new holes
M6 Fasteners Torque ....................................................................................... 2.8 N·m (25 in. lb.) into new holes
Rectifi er-Regulator Ground Strap Fastener Torque ................................... 2.8 N·m (25 in. lb.) into new holes
Blower Housing Screws
Rectifi er-Regulator Fastener Torque ............................................................. 1.4 N·m (12.6 in. lb.)
¹Values are in Metric units. Values in parentheses are English equivalents. Lubricate threads with engine oil
prior to assembly.
1.8
4.0 N·m (35 in. lb.) into used holes
7.3 N·m (65 in. lb.) into used holes
2.3 N·m (20 in. lb.) into used holes
2.3 N·m (20 in. lb.) into used holes
2.3 N·m (20 in. lb.) into used holes