Crankshaft And Piston Specifications; Thrust Bearing - Yanmar 4TNV98 Service Manual

Crankshaft and Piston Specifications

Crankshaft
NOTE : Check appropriate parts catalog for various
sizes of replacement main bearing inserts.
Inspection Item
Bend (1/2 the dial gauge reading)
Connecting Rod Journals
Main Bearing Journal

Thrust Bearing

Inspection Item
Crankshaft End Play
4TNV98 & 4TNE98 Diesel Engine
Journal Outside
Diameter
Bearing Inside
Diameter
Bearing Insert
Thickness
Oil Clearance
Journal Outside
Diameter
Bearing Inside
Diameter
Bearing Insert
Thickness
Oil Clearance
4TNV98
4TNE98
70
Standard
-
2.2816 - 2.2820 in.
(57.952 - 57.962 mm)
2.2835 - 2.2845 in.
(58.000 - 58.026 mm)
0.0587 - 0.0591 in.
(1.492 - 1.500 mm)
0.0015 - 0.0029 in.
(0.038 - 0.074 mm)
2.5572 - 2.5576 in.
(64.952 - 64.962 mm)
2.5590 - 2.5598 in.
(65.000 - 65.020 mm)
0.0785 - 0.0791 in.
(1.995 - 2.010 mm)
0.0015 - 0.0027 in.
(0.038 - 0.068 mm)
Standard
0.0051 - 0.0091 in.
(0.13 - 0.23 mm)
0.0043 - 0.0083 in.
(0.11 - 0.21 mm)
Reference
Limit
Page
0.0008 in.
(0.02 mm)
2.2796 in.
See
(57.902 mm)
Inspection of
- Crankshaft
on Page
124.
-
0.0059 in.
(0.150 mm)
2.5552 in.
(64.902 mm)
See
-
Inspection of
Crankshaft
on page
-
124.
0.0059 in.
(0.150 mm)
Reference
Limit
Page
See
0.0110 in.
Removal of
(0.28 mm)
Crankshaft
0.0110 in.
on Page
(0.28 mm)
118.
Section 3. Engine