Series 92 | |
---|---|
Overview | |
Manufacturer | Detroit Diesel |
Production | 1974–1995 |
Layout | |
Configuration | 6-, 8-, 12-, and 16-cylinder V-type |
Displacement | 552 to 1,472 cu in (9.0 to 24.1 L) 92 in3 (1,510 cc) per cylinder |
Cylinder bore | 4.84 in (123 mm) |
Piston stroke | 5.00 in (127 mm) |
Cylinder block material | Cast iron, replaceable cylinder liners |
Cylinder head material | Cast iron |
Valvetrain drive system | Gears [1] |
Compression ratio | 17:1 (turbo) 19:1 |
RPM range | |
Max. engine speed | 1950–2100 rpm (typ.) |
Combustion | |
Turbocharger | Optional |
Dimensions | |
Length | 38–41 in (97–104 cm) (6V92) [2] [3] 44–48 in (110–120 cm) (8V92) [4] [5] 68 in (170 cm) (12V92) [6] [7] 79 in (200 cm) (16V92) [7] |
Width | 38–39 in (97–99 cm) (6V92 & 8V92) [2] [3] [4] [5] 47 in (120 cm) (12V92 & 16V92) [6] [7] |
Height | 47–52 in (120–130 cm) (6V92 & 8V92) [2] [3] [4] [5] 54–59 in (140–150 cm) (12V92 & 16V92) [6] [7] |
Dry weight | 1,960–2,020 lb (890–920 kg) (6V92) [2] [3] 2,345–2,415 lb (1,064–1,095 kg) (8V92) [4] [5] 3,840–4,280 lb (1,740–1,940 kg) (12V92) [6] [7] 4,840 lb (2,200 kg) (16V92) [7] |
Chronology | |
Predecessor | Series 71 |
Successor | Series 60 Series 50 |
The Detroit Diesel Series 92 is a two-stroke cycle, V-block diesel engine, produced with versions ranging from six to 16 cylinders. Among these, the most popular were the 6V92 and 8V92, which were V6 and V8 configurations of the same engine respectively. The series was introduced in 1974 as a rebored version of its then-popular sister series, the Series 71 . Both the Series 71 and Series 92 engines were popularly used in on-highway vehicle applications.
The Series 92 engines were introduced in 1974. [8] Compared to the Series 71 engines they were derived from, the Series 92 featured a larger bore of 4.84025 ± 0.00125 in (122.942 ± 0.032 mm) and an identical stroke of 5 in (130 mm) for a nominal displacement per cylinder of 92 cu in (1,510 cc), from which the Series 92 derives its name.
While the basic mechanics of the 92 series indicated superior performance and durability, early prototypes were challenged by breakdowns resulting from the torque inherent in the design. Carl Kamradt, the senior engineer in Detroit Diesel Allison's E5, or Experimental Department, was responsible for working through the practical applications of the engine, resulting in the 92 Series becoming the favored choice for applications requiring high torque and dependability. Upon Mr. Kamradt's retirement in 1984, the E-5 division was eliminated as the 92 Series ran its course. In the 1980s and early 1990s, the Series 92 was used as a major bus engine in North America. It was also available for several other applications: Trucks, buses, motor homes, construction, fire trucks/apparatus, industrial equipment, several military vehicles, aircraft and marine applications.
The Series 92 left the market in the summer of 1995 and the four stroke Detroit Diesel engine Series 60 was introduced as a replacement.
Family | Model | Torque | Power |
---|---|---|---|
6V92 | 6V92 [3] | 737 ft⋅lbf (999 N⋅m) @ 1400 rpm | 270 hp (200 kW) @ 2100 rpm |
6V92T [3] | 890 ft⋅lbf (1,210 N⋅m) @ 1400 rpm | 322 hp (240 kW) @ 2100 rpm | |
6V92TA [2] | 957 ft⋅lbf (1,298 N⋅m) @ 1300 rpm | 335 hp (250 kW) @ 2100 rpm | |
6V92TTA [2] | 957 ft⋅lbf (1,298 N⋅m) @ 1300 rpm | 307 hp (229 kW) @ 1900 rpm | |
8V92 | 8V92 [5] | 983 ft⋅lbf (1,333 N⋅m) @ 1400 rpm | 360 hp (270 kW) @ 2100 rpm |
8V92T [5] | 1,186 ft⋅lbf (1,608 N⋅m) @ 1400 rpm | 430 hp (320 kW) @ 2100 rpm | |
8V92TA [4] | 1,242 ft⋅lbf (1,684 N⋅m) @ 1400 rpm | 435 hp (324 kW) @ 2100 rpm | |
8V92TTA [4] | 1,242 ft⋅lbf (1,684 N⋅m) @ 1400 rpm | 365 hp (272 kW) @ 1950 rpm | |
12V92 (two joined 6V92 engine blocks) | 12V92 [6] | 1,879 ft⋅lbf (2,548 N⋅m) @ 1300 rpm | 665 hp (496 kW) @ 2100 rpm |
12V92TA [7] | 1,845–2,040 ft⋅lbf (2,501–2,766 N⋅m) @ 1200 rpm | 625–700 hp (466–522 kW) @ 2100 rpm | |
16V92 (two joined 8V92 engine blocks) | 16V92TA [7] | 2,370–2,755 ft⋅lbf (3,213–3,735 N⋅m) @ 1200 rpm | 850–960 hp (630–720 kW) @ 2100 rpm |
The model number indicates the basic configuration of the engine. [9] : 7 The model designator consists of the number of cylinders (6, 8, 12, or 16), the block layout (V), engine series (92), and a lettered suffix which provides information about forced induction (T for turbocharged, A for aftercooled), so for instance, an 8V92TA designates a Series 92 V8 engine that is turbocharged and aftercooled. [10]
8 | 08 | 3 | - | 7 | 0 | 00 |
---|---|---|---|---|---|---|
Model designator | Number of cylinders | Application designation | Basic engine arrangement and drive shaft rotation | Design variation | Specific model number | |
8 = Series 92, vee arrangement | 2 = Marine | 3 = LC (left hand rotation, [a] starter on right bank) | 0 = 4 valve head | |||
3 = Industrial F-F [b] | 4 = LD (left hand rotation, [a] starter on left bank) | 3 = Turbocharged without aftercooling | ||||
5 = Generator | 7 = RC (right hand rotation, [a] starter on right bank) | 4 = Turbocharged and aftercooled | ||||
7 = Vehicle F-F [b] | 8 = RD (right hand rotation, [a] starter on left bank) | 5 = Customer special engine | ||||
8 = Vehicle F-F [b] | 7 = Constant horsepower (TT) | |||||
8 = Constant horsepower (TTA, California & Federal Certified) |
Model codes | |
---|---|
L | Low profile |
V | V-block |
N | Needle Unit Injectors, four exhaust valves (per cylinder) |
T | Turbocharged |
TA | Turbocharged Aftercooled (JWAC Jacket Water Aftercooled ) |
TAC | Turbocharged Aftercooled California Certification (JWAC Jacket Water Aftercooled ) |
TT | Tailored Torque (Fuel Squeezer) |
TTA | Tailored Torque Aftercooled (Fuel Squeezer Plus) (JWAC Jacket Water Aftercooled ) |
TI | Turbocharged Intercooled |
TIB | Turbocharged Intercooled Bypass Blower |
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