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ISBe/ISB Series Engines – 018-015   General Engine

Table of Contents

Specifications

Specifications

 TOC

Listed below are the general specifications for the engines covered by this manual.

Horsepower Refer to engine dataplate

Bore and Stroke

for 3.9 liters [238 C.I.D] and 5.9 liters [360 C.I.D] Engines 102 mm [4.02 in] X 120 mm [4.72 in]
for 4.5 liters [275 C.I.D] and 6.7 liters [409 C.I.D] Engines 107 mm [4.21 in] X 124 mm [4.88 in]
Displacement (four-cylinder engine) 3.9 liters [238 C.I.D] and 4.5 liters [275 C.I.D]
Displacement (six-cylinder engine) 5.9 liters [360 C.I.D] and 6.7 liters [409 C.I.D]
Firing Order (four-cylinder engine) 1-3-4-2
Firing Order (six-cylinder engine) 1-5-3-6-2-4

Approximate Engine Weight (with standard accessories):

Without EGR

Dry Weight for 3.9 Liters [238 C.I.D.] 370 kg [816 lb]
Dry Weight for 5.9 Liters [360 C.I.D.] 470 kg [1036 lb]
Dry Weight for 4.5 Liters [275 C.I.D.] 375 kg [827 lb]
Dry Weight for 6.7 Liters [409 C.I.D.] 475 kg [1047 lb]

Approximate Engine Weight (with standard accessories):

With EGR

Dry Weight for 5.9 Liters [360 C.I.D.] 519 kg [1144 lb]
Crankshaft Rotation (viewed from the front of the engine) Clockwise

Valve Clearance:

Intake 0.254 mm [0.010 in]
Exhaust 0.508 mm [0.020 in]
Maximum Overspeed Capability (15 seconds maximum) 4200 rpm
Minimum Ambient Air Temperature for Unaided Cold Start -12.2°C [10°F]
Minimum Engine Cranking Speed 150 rpm
Engine Idle Speed Minimum 600 to maximum 800 rpm

Altitude Maximum Before Derate Occurs

for engines 3.9 liters and 5.9 liters Engines without EGR 2000 m [6562 ft]
for engines 3.9 liters and 5.9 liters Engines with EGR 3658 m [12000 ft]
for engines 4.5 liters and 6.7 liters Engines without EGR 3048 m [10000 ft]

Oil Carryover:

Open-crankcase ventilation system Less than 2 grams/hour [0.07 oz/hour]

Engine Blowby:

New 1 kPa [4 in H
2O]
Used 2.49 kPa [10 in H
2O]

NOTE: The engine features a no-adjust overhead. The valve train is designed such that adjustment of the valve lash is
not required for normal service during the first 241,402 km [150,000 mi]. The valve train operates acceptably within the limits of 0.152- to 0.381-mm [0.006- to 0.015-in] intake valve lash and 0.381- to 0.762-mm [0.015- to 0.030-in] exhaust valve lash. It is recommended that the valve lash be checked around 241,402 km [150,000 mi] and every 81,000 km [50,000 mi] thereafter.
Last Modified:  19-Aug-2008
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