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Cummins N855 Small Cam specifications and manuals



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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.


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Cummins N855 Small Cam bolt torques, specifications and manuals


Useful information for owners and repairers of Cummins N855 Small Cam engines

Cummins N855 Small Cam engine specs

Cummins N855 Small Cam
Displacement
14.0 liter,  855 CID

Arrangement
6 cylinder in-line engine
with
naturally aspirated
turbocharged 
and turbo aftercooled
variants

Cummins N855 Small Cam
Power
250-400 hp
186 -298 kW @ 2100 rpm


Torque Range
(400 hp engine)
1150 lb.ft, 1559 Nm @ 1500 rpm

Bore:
139.7 mm,  5.5 in

Stroke:
152.4 mm,  6.00 in

Compression Ratio:
Typical
CPL 19 280 hp 14.5:1

But also varies 
according to CPL number

Dimensions:
approx:
length 1496 mm, 59 in
width 863 mm, 34 in
height 1293 mm, 51 in

Weight:
approx:
2800 lb, 1273 kg

Cummins N855 Small Cam step by step essential bolt tightening torques

Main Bearing Bolts
Step 1 = 85 lb.ft, 115 Nm
Step 2 = 170 lb.ft, 230 Nm
Step 3 = 255 lb.ft, 345 Nm
Step 4 = Loosen
Step 5 = 85 lb.ft, 115 Nm
Step 6 = 170 lb.ft, 230 Nm
Step 7 = 255 lb.ft, 345 Nm

Connecting Rod Bolts
Step 1 = 100 Nm, 75 lb.ft
Step 2 = 200 Nm, 150 lb.ft
Step 3 = Loosen
Step 4 = 100 Nm, 75 lb.ft
Step 5 = 200 Nm, 150 lb.ft

Cylinder head Bolts
Step 1 = 30 Nm, 25 lb.ft
Step 2 = 135 Nm, 100 lb.ft
Step 3 = 340 Nm, 305 lb.ft


Cummins N855 Small Cam workshop manual

N855 Small Cam workshop manual and parts book
Cummins N855 Small Cam 
workshop manual and parts book 
738 page - click to download

Cummins N855 Injector Settings, Valve Clearances



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email: steve@barringtondieselclub.co.za
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