Komatsu 4D98, 4D106, S4D106 Manuals, Engine Specifications & Bolt Torques

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Komatsu 4D98, 4D106,
S4D106 Main
Bearing Bolts

4D94-4D98
108-118 Nm

4NTE106(T)
187-206 Nm

Komatsu 4D98, 4D106,
S4D106 Connecting
Rod Bolts

4D94-4D98
54-59 Nm

4NTE106(T)
79-83 Nm

Komatsu 4D98, 4D106,
S4D106 Cylinder
Head Bolts

4D94-4D98
Step 1 = 49-59 Nm
Step 2 = 103-113 Nm

4NTE106(T)
Step 1 = 88-98 Nm
Step 2 = 181-191 Nm

Komatsu 4NTE98
Displacement,
Arrangement,
Bore and Stroke

Displacement
3.319 liter

Arrangement
4 cylinder in line engine
4-stroke cycle engine
water cooled

Bore
98 mm

Stroke
110 mm

Komatsu 4NTE98
Power and Torque

Power
68 hp, 51 kW @ 2500 rpm

Komatsu 4NTE98
Weight and Dimensions

Weight
approx:
223 kg

Dimensions
Length 720 mm
Length 508 mm
Height 689 mm

Compression Ratio
18.0:1