Skip to main content 

Cummins KTA38 and KTA50 specifications and manuals


Inter Club Navigation
home image Home Page 
   Contact Us  
  engine outline Engine List    Technical   video indicatorVideos  logo ball Engine Components 


We provide diesel engine manuals, bolt torques, specs
... Read More

Your Diesel Engine Specs

Basic specs are open to everyone and include images, displacement, dimensions and weight, essential bolt tightening torques, the characteristics of the engine like its power and torque.
Essential bolt tightening torques are the main bearing cap bolt torque, the connecting rod cap bolt torque and the cylinder head bolt torques.


Some Popular Engine Specs


Cummins KTA38 and KTA50 bolt torques, specifications and manuals

Cummins KTA38 and KTA50 Essential Diesel Engine Bolt Tightening Torques

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°

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

Cylinder head Bolts
Black 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


Cummins KTA38 and KTA50 Diesel Engine Spec Sheets

KT38 advantage spec sheet
Cummins KTA38 & 50 
advantage spec sheet 
4 page - click to download
KTA38 generator spec sheet
Cummins KTA38 
G7 generator spec sheet 
2 page - click to download
KT19 generator spec sheet
Cummins KTA38 
marine spec sheet 
2 page - click to download


KTA50 drilling module p1
Cummins KTA50 
drilling module 
4 pages - click to download
KTA50 G3 spec sheet p1
Cummins KTA50 
G3 spec sheet 
2 pages - click to download
KTA50 genset spec sheet p1
Cummins KTA50 
gen set spec sheet 
2 pages - click to download

Cummins KTA38 and KTA50 Diesel Engine workshop repair Manuals

KTA38 workshop manual p1
Cummins K38, K50, QSK38, QSK50 
wokshop manual 
854 pages - click to download
KTA50 parts book p1
Cummins KTA50 
parts book 
194 pages - click to download



Barrington Diesel Club
Phone: +27 72 754 4660
email: steve@barringtondieselclub.co.za
© copyright Steve Barrington 2016

Page Revision #10.3RsC 03-17

Positive SSL