Diesel engine manuals and specifications at Barrington Diesel Club

Iveco NEF Manuals, Engine Specifications & Bolt Torques

 
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Iveco NEF Mechanical Engine Models, F4AE to F4HE: Essential Diesel Engine Bolt Tightening Torques

 

Iveco NEF
Main Bearing Caps


Step 1 = 50 Nm, 37 lb.ft
Step 2 = 80 Nm, 60 lb.ft
Step 3 = +90 degrees

Iveco NEF
Connecting Rod Bolts


Step 1 = 30 Nm, 22 lb.ft
Step 2 = 60 Nm, 45 lb.ft
Step 3 = +60 degrees

Iveco NEF
Cylinder Head Bolts


M12 X 70 bolts only
Step 1 = 50 Nm, 37 lb.ft
Step 2 = +90 degrees

M12 X 140 bolts only
Step 1 = 40 Nm, 30 lb.ft
Step 2 = +180 degrees

M12 X 180 bolts only
Step 1 = 70 Nm, 52 lb.ft
Step 2 = +180 degrees

Iveco NEF Mechanical Engine Models F4BE to F4HE: Diesel Engine Specs

 

Iveco NEF, F4BE
Compression Ratio, Bore,
Stroke and Displacement


Compression Ratio
17.5:1

Bore
102.0 mm, 4.016"

Stroke
120.0 mm, 4.724"

Displacement
4 Cylinder Engine
3.922 liter, 239 CID

6 Cylinder Engine
5.883 liter, 542 CID

Iveco NEF, F4GE
Compression Ratio, Bore
Stroke and Displacement


Compression Ratio
17.5:1

Bore
104.0 mm, 4.094"

Stroke
132.0 mm, 5.196"

Displacement
4 Cylinder Engine
4.485 liter, 274 CID

6 Cylinder Engine
6.728 liter, 411 CID

Iveco NEF Mechanical Engine Models F4BE to F4HE: Power

 

Iveco NEF, F4BE
Power


4 Cylinder Engine
74-95 kW, 101-129 hp @ 2000-2100 rpm

6 Cylinder Engine
111-142 kW, 151-194 hp @ 2000-2100 rpm

Iveco NEF, F4GE
Power


4 Cylinder Engine
74-95 kW, 101-129 hp @ 2100-2300 rpm

6 Cylinder Engine
111-142 kW, 151-194 hp @ 2100-2300 rpm



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