15
1.General
1.1Engine Nomenclature
4 IR H8 N
4=
Number of cylinders
IR=
Ingersoll-Rand
H8=
Cylinder bore (in mm)
N=
Natural aspirated
T=
With turbocharger
The engine specification class
Classification
Load
Engine speed
Available engine speed (min
-1
)
CL
Constant load
Constant speed
1500/1800
VM
Variable load
Variable speed
2000-3000
The engine specification class (CL or VM) is described in the specifications table.
1.2 Specifications
NOTE:
1) The information described in the engine specifications tables (the next page and after) is for "standard"
engine. To obtain the information for the engine installed in each machine unit, refer to the manual
provided by the equipment manufacturer.
2) Engine rating conditions are as follows (SAE J1349, ISO 3046/1)
Atmospheric condition: Room temp. 25
°
C, Atmospheric press. 100 kPa (750mm Hg), Relative
humidity 30%
Fuel temp: 25
°
C (Fuel injection pump inlet)
With cooling fan, air cleaner, exhaust silencer (Ingersoll-Rand standard parts)
After running-in hours. Output allowable deviation: ±3%
