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Detroit Diesel Series 92

Series 92
6V92 engines photographed in 2003
Overview
ManufacturerDetroit Diesel
Layout
Configuration6-, 8-, 12-, and 16-cylinder V-type
Displacement552 to 1,472 cu in (9.0 to 24.1 L)
92 in3 (1,510 cc) per cylinder
Cylinder bore4.84 in (123 mm)
Piston stroke5.00 in (127 mm)
Cylinder block materialCast iron, replaceable cylinder liners
Cylinder head materialCast iron
Compression ratio17:1 (turbo)
19:1
RPM range
Max. engine speed1950–2100 rpm (typ.)
Combustion
TurbochargerOptional
Dimensions
Length38–41 in (97–104 cm) (6V92)[1][2]
44–48 in (110–120 cm) (8V92)[3][4]
68 in (170 cm) (12V92)[5][6]
79 in (200 cm) (16V92)[6]
Width38–39 in (97–99 cm) (6V92 & 8V92)[1][2][3][4]
47 in (120 cm) (12V92 & 16V92)[5][6]
Height47–52 in (120–130 cm) (6V92 & 8V92)[1][2][3][4]
54–59 in (140–150 cm) (12V92 & 16V92)[5][6]
Dry weight1,960–2,020 lb (890–920 kg) (6V92)[1][2]
2,345–2,415 lb (1,064–1,095 kg) (8V92)[3][4]
3,840–4,280 lb (1,740–1,940 kg) (12V92)[5][6]
4,840 lb (2,200 kg) (16V92)[6]
Chronology
PredecessorSeries 71
SuccessorSeries 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.

History

The Series 92 engines were introduced in 1974.[7] 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.

Features and specifications

  • 9.0 litre (V6), 12.1 litre (V8), 18.1 litre (V12) and 24.1 litre (V16)
  • Power ratings ranging from 253 to 950 horsepower (189 to 708 kW)
  • Supported the DDECI, DDECII, DDECIII and DDECIV.
Power output for selected models
Family Model Torque Power
6V92 6V92[2] 737 ft⋅lbf (999 N⋅m)
@ 1400 rpm 		270 hp (200 kW)
@ 2100 rpm
6V92T[2] 890 ft⋅lbf (1,210 N⋅m)
@ 1400 rpm 		322 hp (240 kW)
@ 2100 rpm
6V92TA[1] 957 ft⋅lbf (1,298 N⋅m)
@ 1300 rpm 		335 hp (250 kW)
@ 2100 rpm
6V92TTA[1] 957 ft⋅lbf (1,298 N⋅m)
@ 1300 rpm 		307 hp (229 kW)
@ 1900 rpm
8V92 8V92[4] 983 ft⋅lbf (1,333 N⋅m)
@ 1400 rpm 		360 hp (270 kW)
@ 2100 rpm
8V92T[4] 1,186 ft⋅lbf (1,608 N⋅m)
@ 1400 rpm 		430 hp (320 kW)
@ 2100 rpm
8V92TA[3] 1,242 ft⋅lbf (1,684 N⋅m)
@ 1400 rpm 		435 hp (324 kW)
@ 2100 rpm
8V92TTA[3] 1,242 ft⋅lbf (1,684 N⋅m)
@ 1400 rpm 		365 hp (272 kW)
@ 1950 rpm
12V92

(two joined 6V92 engine blocks)

12V92[5] 1,879 ft⋅lbf (2,548 N⋅m)
@ 1300 rpm 		665 hp (496 kW)
@ 2100 rpm
12V92TA[6] 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[6] 2,370–2,755 ft⋅lbf (3,213–3,735 N⋅m)
@ 1200 rpm 		850–960 hp (630–720 kW)
@ 2100 rpm

Power output specifications (6V92)

  • 775 ft⋅lbf (1,051 N⋅m) @ 1200 rpm; 253 horsepower governed at 2100 rpm
  • 816 ft⋅lbf (1,106 N⋅m) @ 1200 rpm; 277 horsepower governed at 2100 rpm
  • 957 ft⋅lbf (1,298 N⋅m) @ 1300 rpm; 300 horsepower governed at 2100 rpm
  • 1,020 ft⋅lbf (1,380 N⋅m) @ 1300 rpm; 335 horsepower governed at 2100 rpm

Power output specifications (8V92)

  • 1,250 lb⋅ft (1,690 N⋅m) @ 1300 rpm; 350-550 horsepower governed at 1800-2100 rpm

Model number

The model number indicates the basic configuration of the engine.[8]: 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.[9]

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)
Notes
  1. ^ a b c d As viewed from the front of the engine
  2. ^ a b c "Fan to Flywheel"

Detroit Diesel (2 cycle) common model and suffix codes

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

Competing power plants

See also

References

  1. ^ a b c d e f "6V-92TA/TTA Fuel Squeezer Plus" (PDF). Detroit Diesel Engines. Retrieved 16 July 2018.
  2. ^ a b c d e f "Fan-to-Flywheel model, 6V-92T" (PDF). Detroit Diesel Engines. Retrieved 16 July 2018.
  3. ^ a b c d e f "8V-92TA/TTA Fuel Squeezer Plus" (PDF). Detroit Diesel Engines. Retrieved 16 July 2018.
  4. ^ a b c d e f "Fan-to-Flywheel models: 8V-92, 8V-92T" (PDF). Detroit Diesel Engines. Retrieved 16 July 2018.
  5. ^ a b c d e "Fan-to-Flywheel models: 12V-92T" (PDF). Detroit Diesel Engines. Retrieved 16 July 2018.
  6. ^ a b c d e f g h "Industrial models: 12V-92TA & 16V-92TA" (PDF). Detroit Diesel Engines. Retrieved 16 July 2018.
  7. ^ Jensen, James (April 2011). "'Jimmy' Diesels: A Short History" (PDF). Western Mariner. Retrieved 16 July 2018. alternative HTML link
  8. ^ "Detroit Diesel Engines Series 92: Service Manual" (PDF). Detroit Diesel Allison Division of General Motors Corporation. 1979. Retrieved 16 July 2018.
  9. ^ "Detroit / General Motors / GM Diesel Series 53, 72 and 92 Engine Specifications". volvodemort. Retrieved 16 July 2018.
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