Perkins 6.354 Series Torque Specifications

Type	lb-ft	N-m
Cylinder head nuts (and/or setscrews)	100	136
Cylinder head nuts	60	81
Big end nuts (cadmium plated)	75	102
Big end nuts (phosphated)	95	129
Filter bowl retaining setscrew	10	13.6
Main bearing setscrew	150	203
Main bearing setscrew	180	244
Idler gear hub nuts (early)	50	68
Idler gear hub nuts (current)	65	88
Idler gear hub nuts (heavy duty)	24	32
Sump to cylinder block setscrews	15	20
Flywheel setscrews	80	108
Camshaft gear retaining setscrew	50	68
Crankshaft pulley setscrew (with 3/8 in washer)	300	406
Crankshaft pulley setscrew (with 1/4 in washer)	250	339
Crankshaft damper setscrews	15	20
Atomizer securing nuts	12	16
Dynamo pulley nut	20	27
Dynamo pulley nut	25	34
Alternator pulley nut	30	41
Alternator pulley nut	30	41
Alternator pulley nut	42	57
Induction manifold setscrews (with corrugated joints)	24	39
High pressure fuel pipe nuts	15	20
Thermostart Insulation adaptor	10	13.6
Thermostart unit	10	13.6