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Perkins AD3.152 Engine

General Technical Data

Perkins AD3.152 Engine Specifications

Engine Model .......... Perkins AD3.152
Engine Type .......... 4-Stroke, three cylinder, direct injection diesel
Number of Cylinders .......... 3
Cylinder Sleeves .......... Dry
Displacement, cu in (L) .......... 152 (2.5)
Engine Bore, in (mm) .......... 3.60 (91.44)
Engine Stroke, in (mm) .......... 5.00 (127.0)
Aspiration .......... Natural
Rated Engine Power, hp (kW) .......... 45.5 (33.9)
Rated Engine Speed, rpm .......... 2000
Maximum Torque, Nm (ft-lbs) .......... 165 (121.7)
Torque Speed, rpm .......... 1300
Compression .......... 17.4:1
Firing Order .......... 1-2-3
Coolant Capacity, qts (L) .......... 10.5 (9.9)

Fuel System

Fuel System Type .......... Direct injection
Fuel lift pump Type .......... AC Delco
Method of drive .......... Eccentric on camshaft
Fuel injection pump .......... CAV DPA
Direction of rotation .......... Clockwise from drive end
Fuel filter .......... Paper element

Lubricating System

Oil Pump Type .......... Rotor type
Oil Filter Type .......... Full flow
Filter Element Type .......... Paper or canister
Oil Capacity, qts (L) .......... 6.5 (6.2)

Electrical System

Electrical System Rating, Volts .......... 12
Charging system .......... Generator
Generator Rating, Amps .......... 10
Battery Number .......... 1
Battery Rating, A/h .......... 95

Dimensions

Width, in (mm) .......... 24.39 (617)
Height, in (mm) .......... 31.54 (798)
Depth, in (mm) .......... 20.08 (508)
Weight, lbs (kg) .......... 460 (210)

Perkins AD3.152 Maintenance Data

Engine oil type .......... SAE 10W-30/15W-40
Engine oil capacity, L (qts) .......... 6.2 (6.5)
Coolant capacity, L (qts) .......... 9.8 (10.5)
Oil filter change interval .......... Every 250 hours
Oil change interval .......... Every 250 hours
Fuel filter change interval .......... Every 500 hours

Perkins AD3.152 Service Specifications

Cylinder block

Height of cylinder block between top and bottom faces .......... 349,01-349,08 mm (13,7405-13,7435 in)
Parent bore diameter for cylinder liner .......... 93,66-93,69 mm (3,6875-3,6885 in)
Depth of recess for liner flange .......... 3,76-3,86 mm (0,148-0,152 in)
Diameter of recess for liner flange .......... 97,03-97,16 mm (3,820-3,825 in)
Main bearing parent bore diameter .......... 74,08-74,10 mm (2,9165-2,9175 in)
Parent bore for No.1 camshaft bearing bush (where fitted) .......... 50,80-50,83 mm (2,000-2,0012 in)
Inside diameter of No.1 camshaft bearing bush (where fitted) .......... 47,55-47,60 mm (1,872-1,874 in)
Camshaft bore diameter No.1 .......... 47,60-47,68 mm (1,874-1,877 in)
Camshaft bore diameter No.2 .......... 47,35-47,42 mm (1,864-1,867 in)
Camshaft bore diameter No.3 .......... 46,84-46,91 mm (1,844-1,847 in)

Cylinder liners

Outside diameter .......... 93,71-93,74 (3,6895-3,6905 in)
Inside diameter (finished size) .......... 91,48-91,50 mm (3,6015-3,6025 in)
Length .......... 215,77-216,03 mm (8,495-8,505 in)
Interference fit in cylinder bore .......... 0,03-0,08 mm (0,001-0,003 in)
Relationship of top of liner to top face of cylinder block .......... 0,05 mm (0,002 in) to 0,10 mm (0,004 in)

Cylinder head and valves

Cylinder head depth .......... 75,82-76,58 mm (2,985-3,015 in)
Maximum permissible distortion .......... 0,076 mm (0,003 in) across head 0,152 mm (0,006 in)
Permissible amount to machine off head face .......... 0,30 mm (0,012 in) maximum
Inlet valve stem diameter .......... 7,90-7,92 mm (0,311-0,312 in)
Exhaust valve stem diameter .......... 7,90-7,92 mm (0,311-0,312 in)
Clearance fit of inlet valve in guide .......... 0,05-0,11 mm (0,0021-0,0045 in)
Clearance fit of exhaust valve in guide .......... 0,05-0,11 mm (0,0021-0,0045 in)
Maximum permissible stem-guide clearance (Inlet valve) .......... 0,15 mm (0,006 in)
Maximum permissible stem-guide clearance (Exhaust valve) .......... 0,14 mm (0,0055 in)
Face angle (Inlet valve) .......... 35 deg
Face angle (Exhaust valve) .......... 35 deg
Inlet valve head depth below cylinder head face .......... 1,32-1,63 mm (0,052-0,064 in)
Exhaust valve head depth below cylinder head face .......... 1,60-1,92 mm (0,063-0,0 755 in)
Maximum permissible inlet valve head depth in service .......... 2,13 mm (0,084 in)
Maximum permissible exhaust valve head depth in service .......... 2,40 mm (0,094 in)
Outer valve springs free length .......... 45,29-45,80 mm (1,783-1,803 in)
Outer valve springs fitted length .......... 38,10 mm (1,500 in)
Inner valve springs free length .......... 34,67-35,69 mm (1,365-1,405 in)
Inner valve springs fitted length .......... 30,16 mm (1,1875 in)
Tappets stem diameter .......... 15,80-15,84 (0,6222-0,6237 in)
Tappets Clearance in cylinder head bore .......... 0,02-0,09 mm (0,0008-0,0036 in)

Pistons

Relationship of piston height to top face of cylinder block .......... 0,03-0,15 mm (0,001-0,006 in)
Bore diameter for gudgeon pin .......... 31,75 3-31,758 mm (1,2501-1,2503 in)
Ring groove width (Top, 2nd, 3rd) .......... 2,43-2,46 mm (0,0957-0,0967 in)
Ring groove width (4th) .......... 4,81-4,84 mm (0,1895-0,1905 in)
Maximum top ring clearance (with new ring fitted) .......... 0,18 mm (0,007 in)

Piston Rings

Top ring width .......... 2,36-2,38 mm (0,0928-0,0938 in)
2nd and 3rd ring width .......... 2,35-2,38 mm (0,0927-0,0937 in)
4th ring width .......... 4,72-4,76 mm (0,1862-0,1975 in)
Top ring clearance in groove .......... 0,05-0,10 mm (0,0019-0,0039 in)
2nd and 3rd rings clearance in groove .......... 0,05-0,10 mm (0,002-0,004 in)
4th ring clearance in groove .......... 0,05-0,11 mm (0,002-0,0045 in)
Top ring gap .......... 0,36-0,69 mm (0,014-0,027 in)
2nd and 3rd rings gap .......... 0,28-0,61 mm (0,011-0,024 in)
4th ring gap .......... 0,25-0,74 mm (0,010-0,029 in)

Connecting rod

Big end parent bore diameter .......... 60,83-60,85 mm (2,3950-2,3955 in)
Small end parent bore diameter .......... 34,92-34,96 mm (1,37475-1,37620 in)
Big end width .......... 39,38-39,43 mm (1,5502-1,5525 in)
Big end side clearance on crankpin .......... 0,24-0,50 mm (0,0095-0,0198 in)
Length between bore centres .......... 223,80-223,85 mm (8,811-8,813 in)
Connecting rod bearing inside diameter .......... 57,19-57,21 mm (2,2515-2,2525 in)
Connecting rod bearing clearance on big end .......... 0,06-0,10 mm (0,0023-0,0041 in)
Connecting rod bearing shell thickness .......... 1,816-1,822 mm (0,07150-0,07175 in)

Crankshaft

Main journal diameter .......... 69,81-69,83 mm (2,7485-2,7493 in)
Main journal length (No.2 and 3) .......... 30,85-31,06 mm (1,2147-1,2227 in)
Main journal length (No.4, rope seal) .......... 47,60-47,68 mm (1,8742-1,8772 in)
Main journal length (No.4, lip seal) .......... 46,80-46,88 mm (1,8427-1,8457 in)
Crankpin diameter .......... 57,11-57,13 mm (2,2484-2,2492 in)
Crankpin length .......... 39,75 mm (1,562-1,565 in)
Rope seal helix depth .......... 0,10-0,20 mm (0,004-0,008 in)
Rope seal helix width .......... 1,27-2,03 mm (0,050-0,080 in)
Crankshaft end clearance .......... 0,05-0,38 mm (0,002-0,015 in)
Maximum permissible main journal and crankpin wear .......... 0,038 mm (0,0015 in)
Bearing width (No.1) .......... 32,11-32,36 mm (1,264-1,274 in)
Bearing width (No.2 and 3) .......... 23,55-23,80 mm (0,927-0,937 in)
Bearing width (No.4) .......... 38,91-39,17 mm (1,532-1,542 in)
Bearing thickness .......... 2,096-2,102 mm (0,08250-0,08275 in)
Bearing inside diameter .......... 69,88-69,91 mm (2,7510-2,7525 in)
Bearing clearance .......... 0,04-0,10 mm (0,0017-0,0040 in)

Camshaft

Camshaft journal diameter (No.1) .......... 47,47-47,50 mm (1,86 9-1,870 in)
Camshaft journal diameter (No.2) .......... 47,22-47,24 mm (1,859-1,860 in)
Camshaft journal diameter (No.3) .......... 46,71-46,74 mm (1,839-1,840 in)
Camshaft journal clearance (No.1, vvith bush) .......... 0,05-0,13 mm (0,002-0,005 in)
Camshaft journal clearance (No.1, no bush) .......... 0,10-0,20 mm (0,004-0,008 in)
Camshaft journal clearance (No.2 and 3) .......... 0,10-0,20 mm (0,004-0,008 in)
Cam lift .......... 7,90-7,98 mm (0,311-0,314 in)
Spigot diameter of gear .......... 50,76-50,79 mm (1,9985-1,9995 in)
Maximum permissible camshaft journal wear .......... 0,05 mm (0,002 in)

Perkins AD3.152 Tightening Torque Specs

Cylinder head nuts (cold) .......... 81 Nm (60 ft-lbs)
Cylinder head nuts/setscrews (cold) .......... 95 Nm (70 ft-lbs)
Connecting rod nuts .......... 81 Nm (60 ft-lbs)
Main bearing setscrews .......... 150 Nm (110 ft-lbs)
Idler gear hub setscrew .......... 68 Nm (50 ft-lbs)
Camshaft gear setscrews .......... 28 Nm (21 ft-lbs)
Flywheel setscrews .......... 106 Nm (78 ft-lbs)
Crankshaft pulley setscrew .......... 325 Nm (240 ft-lbs)
High pressure fuel pipe nuts .......... 20 Nm (15 ft-lbs)
Fuel injection pump with tapered shaft nut .......... 81 Nm (60 ft-lbs)
Oil Pan setscrews .......... 18 Nm (14 ft-lbs)