Engine Overview

• Expect superior performance and quick
response from this compact, robust design
• Enhanced fuel economy delivered by the
full-authority electronic engine control
• Quiet, smooth performance and enhanced
sociability produced from the proven High-
Pressure Common-Rail fuel system
• Maximise vessel performance and access
comprehensive vessel diagnostic information
via SmartCraft® electronics


Fuel System: Bosch Common-Rail (CRS 2.0);
Integrated WIF sensor in secondary fuel filter
Lubrication System: Cast aluminium oil pan
Electrical System: 12 Volt system
Coolant System: Sea Water Aftercooled; Heat
Exchanger only
Emissions: EPA Tier 2, IMO, RCD certified,
BSO/SAV (select ratings)

Tailor a propulsion package based on budget and needs:

QSD4.2 270 & 320 available with Bravo 1X, 2X, 3X
& 3XR drives

QSD4.2 350 available with Bravo 1XR, Bravo 2XR
and Bravo 3XR drives and optional Digital Throttle
and Shift (DTS) for improved performance and
smooth handling (Premium)

QSD4.2 270, 320 and 350 available for inboard
applications with ZF63 A & ZF63 IV mechanical
shift gears or DTS with optional trolling valve

Power HP/KW 350 / 257
Full Throttle Range 3800-3800
Displacement 4.2L
Engine Type In-line 6-cylinder, 4-stroke diesel
Bore & Stroke 94 x 100mm (3.7 x 3.9in)
Fuel Requirement Diesel
Aspiration Turbocharged / Seawater Aftercooled
Fuel Injection System Bosch Common-Rail (CRS 2.0)
Cooling System Seawater Aftercooled; Heat Exchanger
Dimensions (LxWxH) in 42.4 x 30.4 x 31.1
Dimensions (LxWxH) mm 1077 x 772 x 790
Weight (Dry) (lbs./kg) 1014 / 460
Weight w/Bravo 3 Drive  (lbs./kg) 1244 / 564