Engine Identification Numbers; General Specifications; Torque Specifications - Kohler command pro ECH749 Service Manual

ENGINE IDENTIFICATION NUMBERS

Kohler engine identifi cation numbers (model, specifi cation and serial) should be referenced for effi cient repair,
ordering correct parts, and engine replacement.

GENERAL SPECIFICATIONS

Bore
Stroke
Displacement
Oil Capacity (refi ll)
Maximum Angle of Operation
(@ full oil level) 4

TORQUE SPECIFICATIONS

Blower Housing
Into cored aluminum hole or weld nut
M5
M6
Into extruded hole in sheet metal
M5
M6
Closure Plate
Fastener
Connecting Rod
Cap Fastener (torque in increments)
8 mm straight shank
8 mm step-down
6 mm straight shank
Values are in Metric units. Values in parentheses are English equivalents.
3
Exceeding maximum angle of operation may cause engine damage from insuffi cient lubrication.
4
Lubricate threads with engine oil prior to assembly.
5
Any and all horsepower (hp) references by Kohler are Certifi ed Power Ratings and per SAE J1940 & J1995 hp
6
standards. Details on Certifi ed Power Ratings can be found at KohlerEngines.com.
24 690 01 Rev. K
Model . . . . . . . . . . . . . . . . . . . . . ECH630
EFI Command Engine
Horizontal Shaft
Numerical Designation
Specifi cation . . . . . . . . . . . . . . . ECH630-3001
Serial . . . . . . . . . . . . . . . . . . . . . 4323500328
Year Manufactured Code
Code Year
43 2013
44 2014
45 2015
3,6 ECH630-ECH680
80 mm (3.15 in.)
69 mm (2.72 in.)
694 cc (42.4 cu. in.)
ECH630-ECH680 ECH730-ECH749
3,5
6.2 N·m (55 in. lb.) into new holes
4.0 N·m (35 in. lb.) into used holes
10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
2.8 N·m (25 in. lb.) into new holes
2.3 N·m (20 in. lb.) into used holes
2.8 N·m (25 in. lb.) into new holes
2.3 N·m (20 in. lb.) into used holes
25.6 N·m (227 in. lb.)
11.6 N·m (103 in. lb.)
KohlerEngines.com
Factory Code
ECH730-ECH749 CH26
83 mm (3.27 in.)
747 cc (45.6 cu. in.)
1.9 L (2.0 U.S. qt.)
25°
CH26
6.2 N·m (55 in. lb.) into new holes
4.0 N·m (35 in. lb.) into used holes
10.7 N·m (95 in. lb.) into new holes
7.3 N·m (65 in. lb.) into used holes
Specifi cations
CH735 CH745
83 mm (3.27 in.)
67 mm (2.64 in.)
725 cc (44 cu. in.)
CH735 CH745
24.4 N·m (216 in. lb.)
22.7 N·m (200 in. lb.)
14.7 N·m (130 in. lb.)
11.3 N·m (100 in. lb.)
13