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Perkins New 1000 engine Cylinder Head Bolt Torque Sequences

 

Perkins New 1000 series engine - Essential Diesel Engine Bolt Tightening Torques

 
Perkins New 1000
Main Bearing bolts
5/8 UNF = 265 Nm, 196 lb.ft

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engine manuals and specs
Perkins New 1000
Connecting Rod nuts 
1/2 UNF = 125 Nm, 92 lb.ft
Connecting Rod screws 
1/2 UNF = 152 Nm, 114 lb.ft

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engine manuals and specs
 
Perkins New 1000
Cylinder Head Bolts
Engine types AR and AS
Step 1 = 45 Nm, 33 lb.ft
Step 2 = repeat Step 1
Step 3 (1/2 inch bolts only) = 110 Nm, 80 lb.ft
Step 4 = repeat Step 3
Step 5 = Stick to tightening sequence
         but tighten the different 
         bolts as follows:
  the 1/2 set screws = + 180 degrees       
  short set screws = + 120 degrees
  medium set screws = + 120 degrees
  long set screws = + 150 degrees

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engine manuals and specs  
 
Perkins New 1000
Cylinder Head Bolts
Engine types AJ to AQ and YG to YK
Step 1 = 45 Nm, 33 lb.ft
Step 2 = repeat Step 1
Step 3 (1/2 inch bolts only) = 110 Nm, 80 lb.ft
Step 4 = repeat Step 3
Step 5 = Stick to tightening sequence
         but tighten the different 
         bolts as follows:
  the 1/2 set screws = + 150 degrees       
  short set screws = + 150 degrees
  medium set screws = + 180 degrees
  long set screws = + 210 degrees

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engine manuals and specs  
 

Perkins New 1000 series engine, Diesel Engine Specs

 
Perkins New 1000
Displacement
AJ, AK, AM, AP, AQ engines
4.0 liter, 234 CID

AR, AS engines
4.23 liter, 258 CID

YG, YH, YK engines
6.0 liter, 365 CID

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engine manuals and specs
 
Perkins New 1000
Arrangement
Six cylinder engines
AJ, AK, AM, AP, AQ, AR, AS

Four cylinder engines
YG, YH, YK

Naturally aspirated engines
AJ, AP, AR, AS, YG

Turbocharged engines
AK, AQ, YH

Turbo intercooled engines
AM, YK

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engine manuals and specs
 
Perkins New 1000
Bore and stroke
Bore
AJ, AK, AM, AP, AQ,
 YG, YH, YK engines
100 mm, 3.937 inches

Bore
AR, AS engines
103 mm, 4.055 inches
	 
Stroke
127 mm, 5.0 inches

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engine manuals and specs
 
Perkins New 1000
Power output examples
4 cylinder marine gen sets
75 kVa @ 1500 rpm
90 kVa @ 1800 rpm

6 cylinder marine gen sets
112 kVa @ 1500 rpm
135 kVa @ 1800 rpm

Compression ratio
naturally aspirated
and turbocharged
17.25:1

turbo intercooled
18.5:1

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engine manuals and specs
 

Perkins New 1000 Diesel Engine workshop repair Manuals

 



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