Detroit Diesel Series 149

Series 149
Overview
ManufacturerDetroit Diesel division of General Motors
Production1967–1999
Layout
ConfigurationV8, V12, V16, and V20,
Displacement12V: 1,792 cu in (29.4 L)
16V: 2,389 cu in (39.1 L)
149 cu in (2.4 L) (per cylinder)
Cylinder bore5.75 in (146 mm)
Piston stroke5.75 in (146 mm)
ValvetrainOverhead camshaft
Compression ratio17.0:1 (N/A & Turbo)
16.0:1 (Intercooled)
Combustion
SuperchargerRoots-type (some versions)
TurbochargerWith intercooler
Fuel typeDiesel
Cooling systemWater-cooled
Output
Power output600–2,936 hp (447–2,189 kW)
Torque output2,310–7,350 lb⋅ft (3,132–9,965 N⋅m)
Dimensions
Length91–109 in (2,311.4–2,768.6 mm)
Width54–64 in (1,371.6–1,625.6 mm)
Height66–72 in (1,676.4–1,828.8 mm)
Dry weight8,600–10,860 lb (3,901–4,926 kg)

The Detroit Diesel 149 is a series of two-stroke diesel engines manufactured by Detroit Diesel which were first announced in early 1966. After Detroit Diesel was spun off in 1988 and later acquired by MTU, production of Series 149 engines was discontinued around 2000.