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Engine Specifications
MaxxForce® 15 Diesel Engine
Engine Configuration
Advertised brake horsepower @ rpm
Peak torque @ rpm
Displacement
Compression ratio
Stroke
Bore (sleeve diameter)
Engine weight (dry, without trim or accessories)
Firing order
Engine rotation (facing flywheel)
Aspiration
Combustion system
Fuel system
Lube system refill capacity (including filter)
•
Gravity drain from right rear and bottom front sump plugs
•
Suction oil recovery option
Engine lubrication oil pressure at 99°C (210°F)
•
600 rpm
•
1,600 rpm
Idle speed (no load)
Thermostat transition range (start open — full open)
Engine Description
The MaxxForce® 15 diesel engine has been designed
for increased durability and reliability.
The cylinder head has four valves per cylinder with
centrally located fuel injectors directing fuel over
the pistons.
This configuration provides improved
performance and reduces emissions.
The overhead camshaft is supported by seven
bearings in the cylinder head. The camshaft gear is
driven from the front of the engine. The overhead
valve train includes roller rocker arms and dual valves
that open using a valve bridge.
ENGINE SYSTEMS
The MaxxForce® 15 engine uses one piece forged
steel pistons. Cooling jet cutouts and feed holes are
placed on both sides of the pistons. Pistons may
be installed in either direction however pistons are
originally installed with casting bump on bottom of pin
boss toward rear of engine.
The one piece crankcase can withstand high-pressure
loads during operation.
replaceable wet cylinder sleeves that are sealed by a
system of three O-rings.
Sound shields are strategically placed on the engine
to reduce noise.
4 stroke, inline six cylinder diesel
See EPA exhaust emission label
See EPA exhaust emission label
15.2 L (928 in
3
)
16.0:1
171.5 mm (6.75 in)
137.2 mm (5.40 in)
1 429 kg (3,150 lbs)
1-5-3-6-2-4
Counterclockwise
Dual turbocharged and Charge Air
Cooled (CAC)
Direct injection turbocharged
High-pressure common rail
38 L (40 qts)
34.5 L (36.5 qts)
Minimum 83 kPa (12 psi)
275 - 550 kPa (40 - 80 psi)
600 rpm, nominal
88°C - 103°C (190°F - 217°F)
The crankcase uses
9
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