Kubota SM-E4B Series User Manual

ENGINE
SM-E4B SERIES, WSM
1-S6
Cam Height
[Z482/D722/D782-E4B]
[Z482/D722/D782-E4B]
[Z602/D902-E4B]
Intake
Exhaust
Intake and Exhaust
26.88 mm
1.058 in.
25.88 mm
1.019 in.
26.88 mm
1.058 in.
26.83 mm
1.056 in.
25.83 mm
1.017 in.
26.83 mm
1.056 in.
Camshaft Journal to Cylinder Block Bore
• Camshaft Journal
• Cylinder Block Bore
Oil Clearance
O.D.
I.D.
0.050 to 0.091 mm
0.0020 to 0.0035 in.
32.934 to 32.950 mm
1.2967 to 1.2972 in.
33.000 to 33.025 mm
1.2993 to 1.3001 in.
0.15 mm
0.0059 in.
–
–
Idle Gear Shaft to Idle Gear Bushing
• Idle Gear Shaft
• Idle Gear Bushing
Oil Clearance
O.D.
I.D.
0.020 to 0.084 mm
0.00079 to 0.0033 in.
19.967 to 19.980 mm
0.78611 to 0.78661 in.
20.000 to 20.051 mm
0.78740 to 0.78940 in.
0.10 mm
0.0039 in.
–
–
Piston Pin Bore I.D. 20.000 to 20.013 mm
0.78741 to 0.78791 in.
20.05 mm
0.7894 in.
Piston Pin to Small End Bushing
•Piston Pin
• Small End Bushing
Oil Clearance
O.D.
I.D.
0.014 to 0.038 mm
0.00056 to 0.0014 in.
20.002 to 20.011 mm
0.78748 to 0.78783 in.
20.025 to 20.040 mm
0.78839 to 0.78897 in.
0.10 mm
0.0039 in.
–
–
Piston Pin to Small End Bushing
(Spare Parts)
• Small End Bushing
Oil Clearance
I.D.
0.015 to 0.075 mm
0.00059 to 0.0029 in.
20.026 to 20.077 mm
0.78843 to 0.79043 in.
0.15 mm
0.0059 in.
–
Piston Ring Gap
[Z482/D722/D782-E4B]
Top Ring
Second Ring
Oil Ring
0.12 to 0.27 mm
0.0047 to 0.010 in.
0.30 to 0.45 mm
0.012 to 0.017 in.
0.15 to 0.35 mm
0.0059 to 0.013 in.
1.15 mm
0.0453 in.
1.20 mm
0.0472 in.
1.20 mm
0.0472 in.
Piston Ring Gap
[Z602/D902-E4B]
Top Ring
Second Ring
Oil Ring
0.15 to 0.30 mm
0.0059 to 0.011 in.
0.35 to 0.50 mm
0.014 to 0.019 in.
0.15 to 0.35 mm
0.0059 to 0.013 in.
1.
25 m
m
0.0472 in.
1.25 mm
0.0492 in.
1.20 mm
0.0472 in.
Item Factory Specification Allowable Limit
KiSC issued 01, 2013 A

Kubota SM-E4B Series Specifications

General

Brand	Kubota
Model	SM-E4B Series
Category	Engine
Language	English