48
GENERAL INFORMATION
7/71, 12/56
EPA CERTIFIED ENGINE DATA and SPECIFICATIONS
Model: 4IRD5N
Engine model name
4IRD5N
Engine type Water−Cooled, four cycle, in−line overhead valve type
Combustion type Direct injection
No. of cylinders − bore x stroke. mm (in) 4−106 x 127 (4.19 x 5.0)
Engine displacement L(cid) 4.5 (276)
Compression ratio 17.6:1
Firing order 1−3−4−2
Exhaust emission control system Engine modification
Governor Mechanical type
Injection nozzles Multi−hole type
Specified fuel Diesel fuel (ASTM D975 No. 2−D)
Starter (V−kW) 12 − 2.2
Alternator (V−A) 12 − 50
Specified engine oil (API grade) CG − 4
Coolant volume (Engine only) L (qts) 4.5 (4.8)
Engine dry weight kg (lb) 387 (851)
Overall length mm (in) 861 (33.9)
Engine dimensions Overall width mm(in) 598 (23.5)
Overall height mm(in) 854 (33.6)
Valve clearance (cold) mm(in)
Nozzle injection pressure MPa (psi)
Injection timing B.T.D.C.
ENGINE IDENTIFICATION
Serial No Location
The engine serial number is stamped on a plate located on the rear
right of the cylinder body, near the fuel filter
Fig. 3
A. Engine serial number
Confirmation of Engine Number
It is advisable to quote the engine serial number together with the
machine serial number, as it is required when you contact the company
branch or distributor for repair, service or parts ordering.
CAUTION: Conduct confirmation of engine serial number with the
engine stopped. To avoid being injured, do not check it, while the engine
is still hot.
ENGINE AFTER SERVICE
Please feel free to contact your dealer for periodical inspection and
maintenance.
Doosan Genuine Parts
Genuine Doosan parts are identical with those used in the engine
production, and accordingly, they are warranted.
Genuine Doosan parts are supplied by your branch or distributor.
Please ensure that only genuine Doosan parts, lubricants and fluids are
used for service and/or repair.
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