Perkins 4GM - General Data; 4 GM and 4 TGM Engines

TPD1327E Chapter 9
Page 53
General data
4GM and 4TGM engines
Number of cylinders.........................................................................................................................................4
Cylinder arrangement ................................................................................................................. Vertical In line
Cycle............................................................................................................................................... Four stroke
Induction system:
- 4GM .................................................................................................................................. Naturally aspirated
- 4TGM ....................................................................................................................................... Turbocharged
Combustion system ...................................................................................................................Direct injection
Nominal bore ....................................................................................................................... 100 mm (3.937 in)
Stroke .................................................................................................................................. 127 mm (5.000 in)
Compression ratio .................................................................................................................................. 16.0:1
Cubic capacity ..........................................................................................................................4 litres (243 in
3
)
Firing order ......................................................................................................................................... 1, 3, 4, 2
Direction of rotation ....................................................................................................Clockwise from the front
Maximum angle of engine tilt (all directions) ...............................................................................................25
O
Valve tip clearances (hot or cold):
- Inlet................................................................................................................................... 0,20 mm (0.008 in)
- Exhaust ............................................................................................................................ 0,45 mm (0.018 in)
Lubricating oil pressure
(minimum at maximum engine speed and normal engine temperature) .... 280 kN/m
2
(40 lbf/in2) 2,5 kgf/cm
2
Maximum capacity of lubricating oil sump: ........................................ 8,1 litres (14.25 UK pints) 8.5 US quarts
Coolant capacity (closed circuit) ............................................................18 litres (31.5 UK pints) 19 US quarts
Weight (wet)
- 4GM ...................................................................................................................................... 448 Kg (988 lbs)
- 4TGM ................................................................................................................................. 455 Kg (1003 lbs)
Battery .....................................................................................................................12V or 24V negative earth