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Cummins KTA38 and KTA50 engine specifications and manuals - amp

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essential bolt tightening torques, 

characteristics of the engine 
e.g. its power and torque. 

Essential bolt tightening torques are
 main bearing cap bolt torque, 
 connecting rod cap bolt torque 
 and the cylinder head bolt torques.
 


 
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Cummins KTA38 and KTA50 engine specs, manuals and essential bolt torques - amp

 
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Cummins KTA38 and KTA50 Essential Diesel Engine Bolt Tightening Torques

 
Cummins KTA38 and KTA50
Main Bearing Bolts

Main bearing capscrews
step 1 = 265 Nm, 195 lb.ft
step 2 = 605 Nm, 445 lb.ft
step 3 = loosen
step 4 = 265 Nm, 195 lb.ft
step 5 = 605 Nm, 445 lb.ft

Main bearing mounting capscrews
step 1 = 176 Nm, 130 lb.ft
step 2 = 339 Nm, 250 lb.ft
step 3 = loosen
step 4 = 339 Nm, 250 lb.ft
step 5 = + 90 degrees

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Cummins KTA38 and KTA50 
engine manuals and specs
 
Cummins KTA38 and KTA50
Connecting Rod Bolts

(Manual Vol 3)
step 1 = 108 Nm, 80 lb.ft
step 2 = 217 Nm, 160 lb.ft
step 3 = 325 Nm, 240 lb.ft
step 4 = loosen
step 5 = 108 Nm, 80 lb.ft
step 6 = 217 Nm, 160 lb.ft
step 7 = 325 Nm, 240 lb.ft
step 8 = 365 Nm, 270 lb.ft

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Cummins KTA38 and KTA50 
engine manuals and specs
 
Cummins KTA38 and KTA50
Cylinder Head Bolts

step 1  50 lb.ft, 65 Nm     
step 2  150 lb.ft, 200 Nm 
step 3  250 lb.ft, 340 Nm 
step 4  360 lb.ft, 490 Nm   
step 5  410 lb.ft, 555 Nm  

Silver bolts
step 1  50 lb.ft, 65 Nm  
step 2  120 lb.ft, 160 Nm  
step 3  185 lb.ft, 250 Nm  
step 4  255 lb.ft, 345 Nm

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Cummins KTA38 and KTA50 
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Cummins KTA38 and KTA50 Diesel Engine Spec Sheets

 
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Cummins KTA38 and KTA50 Diesel Engine workshop repair Manuals

 
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Cummins KTA38 Diesel Engine Specs

 
Cummins KTA38
Generator engine: 
configuration, displacement, 
bore, stroke,

Configuration
v-12 cylinder
turbo, intercooled

Displacement
38 liter

Bore and Stroke
called a square engine with
bore and stroke = 159 mm, 6.25 inches

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Cummins KTA38 and KTA50 
engine manuals and specs
 
Cummins KTA38
Generator engine:
power, compression ratio

Power
Engine Power = 900-1200 kWm
Engine Output = 750-1050 kVA
@ 1500 rpm

Compression Ratio
Typical = 14.9:1

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Cummins KTA38 and KTA50 
engine manuals and specs
 

Cummins KTA50 Diesel Engine Specs

 
Cummins KTA50 - G8
Generator engine: 
configuration, displacement, 
bore, stroke,

Configuration
v-16 cylinder
turbo, intercooled

Displacement
50 liter

Bore and Stroke
called a square engine with
bore and stroke = 159 mm, 6.25 inches

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Cummins KTA38 and KTA50 
engine manuals and specs
 
Cummins KTA50 - G8
Generator engine:
power, compression ratio

Power
Engine Power = 1200-1600 kWm
Engine Output = 1000-1400 kVA
@ 1500 rpm

Compression Ratio
14.9:1

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Cummins KTA38 and KTA50 
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